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 01:14:04 s 1 -186981.12 2 +199465.54 8240.0 – C57
2021-04-26 01:24:04 S 11 50 52.603 -55 49 56.71 – V C57
2021-04-26 01:24:04 s 1 -187084.87 1 +198809.92 3520.0 – C57
2021-04-26 01:34:04 S 11 50 52.411 -55 49 45.26 – V C57
2021-04-26 01:34:04 s 1 -187187.33 5 +198152.93 6000.0 – C57
2021-04-26 01:44:04 S 11 50 52.025 -55 49 34.64 – V C57
2021-04-26 01:44:04 s 1 -187288.50 8 +197494.57 5640.0 – C57
2021-04-26 01:54:04 S 11 50 51.341 -55 49 23.74 – V C57
2021-04-26 01:54:04 s 1 -187388.38 3 +196834.84 2450.0 – C57
2021-04-26 02:04:04 S 11 50 50.851 -55 49 13.40 – V C57
2021-04-26 02:04:04 s 1 -187486.95 5 +196173.74 6390.0 – C57
2021-04-26 02:14:04 S 11 50 49.956 -55 48 58.86 – V C57
2021-04-26 02:14:04 s 1 -187584.21 7 +195511.27 7470.0 – C57
2021-04-26 02:34:04 S 11 50 49.498 -55 48 38.84 – V C57
2021-04-26 02:34:04 s 1 -187774.78 4 +194182.20 970.0 – C57
2021-04-26 02:44:04 S 11 50 49.219 -55 48 28.08 – V C57
2021-04-26 02:44:04 s 1 -187868.07 6 +193515.60 3360.0 – C57
2021-04-26 02:54:04 S 11 50 47.930 -55 48 19.40 – V C57
2021-04-26 02:54:04 s 1 -187960.03 2 +192847.63 2820.0 – C57
2021-04-26 03:04:04 S 11 50 47.767 -55 48 05.54 – V C57
2021-04-26 03:04:04 s 1 -188050.64 5 +192178.27 9350.0 – C57
2021-04-26 03:14:04 S 11 50 47.208 -55 47 57.62 – V C57
2021-04-26 03:14:04 s 1 -188139.90 9 +191507.53 2920.0 – C57
2021-04-26 03:24:04 S 11 50 46.776 -55 47 44.45 – V C57
2021-04-26 03:24:04 s 1 -188227.81 7 +190835.41 3520.0 – C57
2021-04-26 03:44:04 S 11 50 45.907 -55 47 25.98 – V C57
2021-04-26 03:44:04 s 1 -188399.53 7 +189487.01 5760.0 – C57
2021-04-26 03:54:04 S 11 50 45.725 -55 47 13.09 – V C57
2021-04-26 03:54:04 s 1 -188483.33 5 +188810.73 7380.0 – C57
2021-04-26 04:04:04 S 11 50 44.830 -55 47 03.55 – V C57
2021-04-26 04:04:04 s 1 -188565.75 1 +188133.07 5960.0 – C57
2021-04-26 04:14:04 S 11 50 44.107 -55 46 52.54 – V C57
2021-04-26 04:14:04 s 1 -188646.77 6 +187454.01 1510.0 – C57
2021-04-26 04:24:04 S 11 50 44.270 -55 46 37.81 – V C57
2021-04-26 04:24:04 s 1 -188726.40 3 +186773.57 4000.0 – C57
2021-04-26 04:34:04 S 11 50 43.627 -55 46 34.07 – V C57
2021-04-26 04:34:04 s 1 -188804.62 7 +186091.73 3410.0 – C57
2021-04-26 04:54:04 S 11 50 42.391 -55 46 10.27 – V C57
2021-04-26 04:54:04 s 1 -188956.83 2 +184723.87 2980.0 – C57
2021-04-26 05:04:04 S 11 50 41.990 -55 46 00.37 – V C57
2021-04-26 05:04:04 s 1 -189030.80 0 +184037.85 3090.0 – C57
2021-04-26 05:14:04 S 11 50 41.659 -55 45 42.26 – V C57
2021-04-26 05:14:04 s 1 -189103.33 5 +183350.42 70.0 – C57
2021-04-26 05:24:04 S 11 50 40.433 -55 45 36.50 – V C57
2021-04-26 05:24:04 s 1 -189174.42 9 +182661.60 3900.0 – C57
2021-04-26 05:44:04 S 11 50 39.262 -55 45 10.66 – V C57
2021-04-26 05:44:04 s 1 -189312.26 8 +181279.76 2050.0 – C57
2021-04-26 05:54:04 S 11 50 39.029 -55 45 01.44 – V C57
2021-04-26 05:54:04 s 1 -189378.99 8 +180586.73 6340.0 – C57
2021-04-26 06:54:04 S 11 50 36.787 -55 43 57.94 – V C57