3103 Eger (1982 BB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3541833241 ± 2.00e+00
Semi-major axis (a)1.4039472551 AU ± 3.00e+00
Inclination (i)20.93071887° ± 4.00e+00
Long. of Asc. Node (Ω)129.73173744° ± 5.00e+00
Arg. of Perihelion (ω)254.10494834° ± 6.00e+00
Mean Anomaly (M)181.12184640° ± 8.33e-05
Mean Motion (n)0.5924969077°/day ± 1.90e+00
Perihelion dist (q)0.90669255 AU ± 3.41e+00
Aphelion dist (Q)1.90120196 AU ± 4.94e+00
Orbital Period1.66351296 yr ± 5.33e+00
NGA Modelr2
A24.86502687e-06 AU/d²
Physical Parameters
H (abs. magnitude)15.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.341″
Uncertainty0
Orbit TypeApollo
MOID0.078006 AU
Observations Used7901
Radar Obs Used4
Gaia Obs Used108
Oppositions14
Arc Total1982-2017
First Observation Used1982-02-02
Last Observation Used2026-04-05
Observations (11858)
Date Type RA Dec Mag Band Observatory
2022-02-24 00:13:51 S 10 23 52.752 +32 35 00.82 V C57
2022-02-24 00:13:51 s 1 -195819.99 6 +113505.05 1530.0 C57
2022-02-24 00:23:51 S 10 23 51.878 +32 35 10.43 V C57
2022-02-24 00:23:51 s 1 -195787.74 7 +112728.24 6310.0 C57
2022-02-24 00:33:51 S 10 23 51.043 +32 35 18.96 V C57
2022-02-24 00:33:51 s 1 -195753.55 1 +111950.31 2090.0 C57
2022-02-24 00:43:51 S 10 23 50.090 +32 35 28.32 V C57
2022-02-24 00:43:51 s 1 -195717.40 0 +111171.26 8830.0 C57
2022-02-24 00:53:51 S 10 23 49.176 +32 35 39.08 V C57
2022-02-24 00:53:51 s 1 -195679.28 3 +110391.11 6480.0 C57
2022-02-24 01:03:51 S 10 23 48.458 +32 35 49.78 V C57
2022-02-24 01:03:51 s 1 -195639.19 2 +109609.85 5000.0 C57
2022-02-24 01:13:51 S 10 23 47.561 +32 35 58.92 V C57
2022-02-24 01:13:51 s 1 -195597.11 6 +108827.48 4360.0 C57
2022-02-24 01:33:51 S 10 23 45.794 +32 36 16.92 V C57
2022-02-24 01:33:51 s 1 -195506.97 2 +107259.44 5400.0 C57
2022-02-24 02:13:51 S 10 23 42.312 +32 36 55.69 V C57
2022-02-24 02:13:51 s 1 -195302.44 8 +104110.20 5620.0 C57
2022-02-24 02:23:51 S 10 23 41.357 +32 37 05.81 V C57
2022-02-24 02:23:51 s 1 -195246.21 0 +103320.16 9630.0 C57
2022-02-24 02:33:51 S 10 23 40.562 +32 37 16.32 V C57
2022-02-24 02:33:51 s 1 -195187.90 9 +102529.04 4120.0 C57
2022-02-24 02:43:51 S 10 23 39.734 +32 37 26.44 V C57
2022-02-24 02:43:51 s 1 -195127.53 5 +101736.84 9070.0 C57
2022-02-24 02:53:51 S 10 23 38.762 +32 37 35.90 V C57
2022-02-24 02:53:51 s 1 -195065.07 9 +100943.55 4410.0 C57
2022-02-24 03:03:51 S 10 23 37.968 +32 37 44.54 V C57
2022-02-24 03:03:51 s 1 -195000.52 9 +100149.19 130.0 C57
2022-02-24 03:13:51 S 10 23 37.030 +32 37 54.62 V C57
2022-02-24 03:13:51 s 1 -194933.87 6 +99353.756 6150.0 C57
2022-02-24 03:23:51 S 10 23 36.170 +32 38 04.99 V C57
2022-02-24 03:23:51 s 1 -194865.11 0 +98557.249 2450.0 C57
2022-02-24 03:33:51 S 10 23 35.419 +32 38 14.60 V C57
2022-02-24 03:33:51 s 1 -194794.22 0 +97759.674 8980.0 C57
2022-02-24 03:43:51 S 10 23 34.440 +32 38 23.14 V C57
2022-02-24 03:43:51 s 1 -194721.19 5 +96961.034 5690.0 C57
2022-02-24 03:53:51 S 10 23 33.482 +32 38 33.36 V C57
2022-02-24 03:53:51 s 1 -194646.02 5 +96161.332 2530.0 C57
2022-02-24 04:03:51 S 10 23 32.729 +32 38 43.40 V C57
2022-02-24 04:03:51 s 1 -194568.70 0 +95360.572 9470.0 C57
2022-02-24 04:13:51 S 10 23 31.836 +32 38 53.20 V C57
2022-02-24 04:13:51 s 1 -194489.20 9 +94558.756 6460.0 C57
2022-02-24 04:23:51 S 10 23 30.936 +32 39 03.42 V C57
2022-02-24 04:23:51 s 1 -194407.54 1 +93755.889 3440.0 C57
2022-02-24 04:33:51 S 10 23 30.082 +32 39 11.95 V C57
2022-02-24 04:33:51 s 1 -194323.68 6 +92951.972 380.0 C57
2022-02-24 04:43:51 S 10 23 29.196 +32 39 21.02 V C57
2022-02-24 04:43:51 s 1 -194237.63 3 +92147.011 7220.0 C57
2022-02-24 04:53:51 S 10 23 28.294 +32 39 32.26 V C57
2022-02-24 04:53:51 s 1 -194149.37 0 +91341.007 3920.0 C57
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1986-07-18 07:50:00 202602 6 Hz 2380 -1 -1
1986-07-18.326389 20260200 600 Hz 2380 251 251
1996-07-29 09:10:00 469654 5 Hz 8510 -14 -14
1996-07-29 13:00:00 133166634 10 us 8510 -14 -14
1996-07-29.381944 46965400 500 Hz 8510 253 253
1996-07-29.541667 13316663400 10000 us 8510 253 253
1996-07-30 10:50:00 410012.2 5 Hz 8510 -14 -14
1996-07-30.451389 41001220 500 Hz 8510 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)