IAA RAS IAA Minor Planet Database

4957 Brucemurray (1990 XJ)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2187856425 ± 1.82e-08
Semi-major axis (a)1.5654559772 AU ± 1.36e-09
Inclination (i)35.01188482° ± 5.39e-07
Long. of Asc. Node (Ω)254.87958436° ± 1.42e-06
Arg. of Perihelion (ω)97.45772809° ± 6.29e-06
Mean Anomaly (M)351.77911139° ± 9.20e-06
Mean Motion (n)0.5032119981°/day ± 6.54e-10
Perihelion dist (q)1.22295669 AU ± 2.85e-08
Aphelion dist (Q)1.90795527 AU ± 2.85e-08
Orbital Period1.95867008 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)15.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.064″
Uncertainty0
Orbit TypeAmor
MOID0.424352 AU
Observations Used2375
Gaia Obs Used122
Oppositions20
Arc Total1976-2026
First Observation Used1976-03-11
Last Observation Used2026-03-20
Observations (3372)
Date Type RA Dec Mag Band Observatory
2021-04-26 21:04:04 s 1 -188171.28 8 +111485.55 8490.0 – C57
2021-04-26 21:14:04 S 11 49 53.393 -55 28 04.76 – V C57
2021-04-26 21:14:04 s 1 -188062.62 7 +110659.18 1410.0 – C57
2021-04-26 21:24:04 S 11 49 52.754 -55 27 51.84 – V C57
2021-04-26 21:24:04 s 1 -187951.49 1 +109831.35 8980.0 – C57
2021-04-26 21:34:04 S 11 49 52.195 -55 27 45.58 – V C57
2021-04-26 21:34:04 s 1 -187837.86 5 +109002.06 1150.0 – C57
2021-04-26 21:44:04 S 11 49 51.811 -55 27 29.09 – V C57
2021-04-26 21:44:04 s 1 -187721.73 2 +108171.31 7910.0 – C57
2021-04-26 21:54:04 S 11 49 51.432 -55 27 22.21 – V C57
2021-04-26 21:54:04 s 1 -187603.07 8 +107339.10 9200.0 – C57
2021-04-26 22:04:04 S 11 49 50.666 -55 27 09.07 – V C57
2021-04-26 22:04:04 s 1 -187481.88 5 +106505.42 5010.0 – C57
2021-04-26 22:14:04 S 11 49 50.306 -55 26 57.77 – V C57
2021-04-26 22:14:04 s 1 -187358.13 7 +105670.29 5290.0 – C57
2021-04-26 22:24:04 S 11 49 50.434 -55 26 46.28 – V C57
2021-04-26 22:24:04 s 1 -187231.81 9 +104833.71 10.0 – C57
2021-04-26 22:34:04 S 11 49 49.495 -55 26 35.63 – V C57
2021-04-26 22:34:04 s 1 -187102.91 4 +103995.66 9130.0 – C57
2021-04-26 22:44:04 S 11 49 49.118 -55 26 23.46 – V C57
2021-04-26 22:44:04 s 1 -186971.40 4 +103156.16 2620.0 – C57
2021-04-26 22:54:04 S 11 49 48.259 -55 26 14.24 – V C57
2021-04-26 22:54:04 s 1 -186837.27 4 +102315.21 450.0 – C57
2021-04-26 23:04:04 S 11 49 47.575 -55 25 59.77 – V C57
2021-04-26 23:04:04 s 1 -186700.50 7 +101472.81 2570.0 – C57
2021-04-26 23:24:04 S 11 49 46.836 -55 25 42.35 – V C57
2021-04-26 23:24:04 s 1 -186418.99 0 +99783.656 9570.0 – C57
2021-04-26 23:34:04 S 11 49 46.188 -55 25 27.30 – V C57
2021-04-26 23:34:04 s 1 -186274.20 6 +98936.907 4360.0 – C57
2021-04-26 23:44:04 S 11 49 46.205 -55 25 13.08 – V C57
2021-04-26 23:44:04 s 1 -186126.71 6 +98088.712 3310.0 – C57
2021-04-26 23:54:04 S 11 49 44.904 -55 25 06.20 – V C57
2021-04-26 23:54:04 s 1 -185976.50 0 +97239.073 6370.0 – C57
2021-04-27 00:14:04 S 11 49 44.510 -55 24 44.35 – V C57
2021-04-27 00:14:04 s 1 -185667.82 4 +95535.473 4680.0 – C57
2021-04-27 01:04:04 S 11 49 41.863 -55 23 43.33 – V C57
2021-04-27 01:04:04 s 1 -184847.18 1 +91251.353 9730.0 – C57
2021-04-27 01:34:04 S 11 49 40.450 -55 23 08.88 – V C57
2021-04-27 01:34:04 s 1 -184320.47 7 +88663.751 4680.0 – C57
2021-04-27 01:54:04 S 11 49 39.715 -55 22 49.22 – V C57
2021-04-27 01:54:04 s 1 -183954.72 1 +86931.590 9770.0 – C57
2021-04-27 02:04:04 S 11 49 38.904 -55 22 40.15 – V C57
2021-04-27 02:04:04 s 1 -183767.39 7 +86063.390 2720.0 – C57
2021-04-27 02:14:04 S 11 49 37.814 -55 22 25.72 – V C57
2021-04-27 02:14:04 s 1 -183577.08 4 +85193.781 9220.0 – C57
2021-04-27 02:54:04 S 11 49 36.559 -55 21 39.96 – V C57
2021-04-27 02:54:04 s 1 -182785.51 6 +81701.325 9870.0 – C57
2021-04-27 03:14:04 S 11 49 35.278 -55 21 15.73 – V C57
2021-04-27 03:14:04 s 1 -182371.25 3 +79946.735 360.0 – C57
2021-04-27 03:24:04 S 11 49 34.591 -55 21 04.00 – V C57