| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:30 |
| WDS: | RMK4 | WDS ID/Discoverer |
| P: | 2400.000 | Orbital period (years) |
| a: | 8.0 | Semi-major axis (arcseconds) |
| i: | 70.0 | Inclination (degrees) |
| Ω: | 54.9 | Longitude of ascending node (degrees) |
| T: | 1900.000 | Epoch of periastron passage (year) |
| e: | 0.22 | Eccentricity |
| ω: | 200.0 | Longitude of periastron (degrees) |
| Start-Year: | 825.0 | Year |
| End-Year: | 3225.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042412.21-570416.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04242-5704 | WDS designation |
| Discoverer Code: | RMK4 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 28255 | HD catalog number |
| Hipparcos number: | 20552 | Hipparcos catalog number |
| V1: | 6.87 | Magnitude of the primary |
| V2: | 7.23 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 4.465 256.8 ------------------------- 825.0 8.382 67.1 835.0 8.295 67.6 845.0 8.204 68.1 855.0 8.111 68.5 865.0 8.015 69.0 875.0 7.917 69.5 885.0 7.816 70.0 895.0 7.713 70.6 905.0 7.607 71.1 915.0 7.500 71.7 925.0 7.390 72.3 935.0 7.277 72.9 945.0 7.163 73.5 955.0 7.046 74.1 965.0 6.928 74.8 975.0 6.807 75.4 985.0 6.685 76.1 995.0 6.561 76.9 1005.0 6.436 77.6 1015.0 6.308 78.4 1025.0 6.180 79.2 1035.0 6.050 80.1 1045.0 5.919 81.0 1055.0 5.786 81.9 1065.0 5.653 82.9 1075.0 5.519 83.9 1085.0 5.384 85.0 1095.0 5.249 86.1 1105.0 5.114 87.3 1115.0 4.979 88.6 1125.0 4.843 89.9 1135.0 4.709 91.3 1145.0 4.575 92.8 1155.0 4.442 94.4 1165.0 4.310 96.1 1175.0 4.180 97.8 1185.0 4.053 99.7 1195.0 3.928 101.8 1205.0 3.806 103.9 1215.0 3.688 106.2 1225.0 3.574 108.6 1235.0 3.465 111.2 1245.0 3.362 113.9 1255.0 3.265 116.9 1265.0 3.175 120.0 1275.0 3.093 123.2 1285.0 3.020 126.6 1295.0 2.957 130.2 1305.0 2.904 134.0 1315.0 2.862 137.8 1325.0 2.831 141.8 1335.0 2.812 145.8 1345.0 2.806 149.9 1355.0 2.812 153.9 1365.0 2.831 158.0 1375.0 2.861 161.9 1385.0 2.902 165.8 1395.0 2.955 169.5 1405.0 3.017 173.1 1415.0 3.089 176.5 1425.0 3.169 179.8 1435.0 3.256 182.9 1445.0 3.350 185.9 1455.0 3.450 188.6 1465.0 3.555 191.3 1475.0 3.664 193.7 1485.0 3.776 196.0 1495.0 3.891 198.2 1505.0 4.008 200.3 1515.0 4.126 202.2 1525.0 4.246 204.0 1535.0 4.365 205.8 1545.0 4.485 207.4 1555.0 4.604 208.9 1565.0 4.721 210.4 1575.0 4.837 211.8 1585.0 4.952 213.2 1595.0 5.063 214.4 1605.0 5.173 215.7 1615.0 5.279 216.8 1625.0 5.381 218.0 1635.0 5.480 219.0 1645.0 5.575 220.1 1655.0 5.665 221.1 1665.0 5.751 222.1 1675.0 5.831 223.0 1685.0 5.907 224.0 1695.0 5.977 224.9 1705.0 6.041 225.8 1715.0 6.099 226.6 1725.0 6.151 227.5 1735.0 6.197 228.3 1745.0 6.236 229.2 1755.0 6.268 230.0 1765.0 6.293 230.8 1775.0 6.312 231.6 1785.0 6.322 232.4 1795.0 6.326 233.2 1805.0 6.322 234.0 1815.0 6.311 234.8 1825.0 6.292 235.6 1835.0 6.265 236.4 1845.0 6.231 237.2 1855.0 6.189 238.1 1865.0 6.140 238.9 1875.0 6.083 239.8 1885.0 6.019 240.6 1895.0 5.947 241.5 1905.0 5.869 242.5 1915.0 5.783 243.4 1925.0 5.691 244.4 1935.0 5.593 245.4 1945.0 5.488 246.4 1955.0 5.377 247.5 1965.0 5.260 248.6 1975.0 5.139 249.8 1985.0 5.012 251.1 1995.0 4.881 252.4 2005.0 4.745 253.8 2015.0 4.607 255.2 2025.0 4.465 256.8 2035.0 4.320 258.4 2045.0 4.174 260.2 2055.0 4.026 262.1 2065.0 3.879 264.2 2075.0 3.731 266.4 2085.0 3.585 268.8 2095.0 3.441 271.4 2105.0 3.301 274.2 2115.0 3.165 277.3 2125.0 3.035 280.6 2135.0 2.913 284.2 2145.0 2.801 288.2 2155.0 2.699 292.4 2165.0 2.611 296.9 2175.0 2.537 301.8 2185.0 2.479 306.9 2195.0 2.439 312.2 2205.0 2.419 317.6 2215.0 2.418 323.1 2225.0 2.436 328.6 2235.0 2.474 333.9 2245.0 2.530 339.0 2255.0 2.603 343.9 2265.0 2.691 348.4 2275.0 2.793 352.7 2285.0 2.906 356.7 2295.0 3.030 0.3 2305.0 3.163 3.6 2315.0 3.303 6.7 2325.0 3.448 9.5 2335.0 3.599 12.1 2345.0 3.753 14.5 2355.0 3.911 16.7 2365.0 4.070 18.7 2375.0 4.232 20.5 2385.0 4.394 22.3 2395.0 4.557 23.9 2405.0 4.720 25.3 2415.0 4.882 26.7 2425.0 5.044 28.0 2435.0 5.205 29.3 2445.0 5.365 30.4 2455.0 5.523 31.5 2465.0 5.679 32.5 2475.0 5.834 33.5 2485.0 5.987 34.4 2495.0 6.137 35.3 2505.0 6.285 36.1 2515.0 6.431 36.9 2525.0 6.574 37.6 2535.0 6.714 38.4 2545.0 6.851 39.1 2555.0 6.986 39.7 2565.0 7.118 40.4 2575.0 7.247 41.0 2585.0 7.372 41.6 2595.0 7.495 42.2 2605.0 7.614 42.7 2615.0 7.731 43.3 2625.0 7.843 43.8 2635.0 7.953 44.3 2645.0 8.059 44.8 2655.0 8.162 45.3 2665.0 8.262 45.8 2675.0 8.358 46.2 2685.0 8.451 46.7 2695.0 8.540 47.1 2705.0 8.626 47.6 2715.0 8.708 48.0 2725.0 8.787 48.4 2735.0 8.863 48.8 2745.0 8.934 49.2 2755.0 9.003 49.6 2765.0 9.068 50.0 2775.0 9.129 50.4 2785.0 9.187 50.8 2795.0 9.241 51.2 2805.0 9.292 51.5 2815.0 9.339 51.9 2825.0 9.383 52.3 2835.0 9.423 52.6 2845.0 9.459 53.0 2855.0 9.493 53.4 2865.0 9.522 53.7 2875.0 9.548 54.1 2885.0 9.571 54.4 2895.0 9.590 54.8 2905.0 9.606 55.1 2915.0 9.618 55.5 2925.0 9.627 55.8 2935.0 9.633 56.2 2945.0 9.635 56.5 2955.0 9.633 56.8 2965.0 9.629 57.2 2975.0 9.620 57.5 2985.0 9.609 57.9 2995.0 9.594 58.2 3005.0 9.576 58.6 3015.0 9.555 58.9 3025.0 9.530 59.3 3035.0 9.502 59.6 3045.0 9.471 60.0 3055.0 9.436 60.3 3065.0 9.399 60.7 3075.0 9.358 61.1 3085.0 9.314 61.4 3095.0 9.267 61.8 3105.0 9.217 62.2 3115.0 9.163 62.6 3125.0 9.107 62.9 3135.0 9.048 63.3 3145.0 8.985 63.7 3155.0 8.920 64.1 3165.0 8.852 64.5 3175.0 8.781 64.9 3185.0 8.707 65.4 3195.0 8.630 65.8 3205.0 8.550 66.2 3215.0 8.468 66.7