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
2022-04-18 04:09:36 C 09 55 35.911 +36 05 34.01 U I41
2022-04-18 06:08:37 C 09 55 39.047 +36 04 58.48 V 703
2022-04-18 06:16:52 C 09 55 39.245 +36 04 55.45 V 703
2022-04-18 06:25:06 C 09 55 39.500 +36 04 52.72 V 703
2022-04-18 06:33:21 C 09 55 39.666 +36 04 50.12 V 703
2022-04-18 08:23:09 C 09 55 42.739 +36 04 15.38 U I41
2022-04-18 22:09:27 C 09 56 07.058 +36 00 03.06 V A16
2022-04-18 22:29:40 C 09 56 07.632 +35 59 57.34 V A16
2022-04-18 22:50:57 C 09 56 08.234 +35 59 50.39 V A16
2022-04-20 04:19:57 C 09 57 02.179 +35 50 41.60 U I41
2022-04-20 06:41:51 C 09 57 06.319 +35 49 55.88 U I41
2022-04-22 05:19:20 C 09 58 36.980 +35 34 49.84 V 703
2022-04-22 05:26:52 C 09 58 37.204 +35 34 47.28 V 703
2022-04-22 05:34:25 C 09 58 37.466 +35 34 45.05 V 703
2022-04-22 05:41:57 C 09 58 37.693 +35 34 42.49 V 703
2022-04-23 04:08:53 C 09 59 23.795 +35 27 12.71 V G96
2022-04-23 04:17:03 C 09 59 24.061 +35 27 09.90 V G96
2022-04-23 04:26:44 C 09 59 24.374 +35 27 06.55 V G96
2022-04-23 04:34:57 C 09 59 24.644 +35 27 03.82 V G96
2022-04-26 04:47:44 C 10 02 01.802 +35 01 58.37 V G96
2022-04-26 04:55:52 C 10 02 02.083 +35 01 55.38 V G96
2022-04-26 05:00:27 C 10 02 02.274 +35 01 53.90 V 703
2022-04-26 05:04:01 C 10 02 02.396 +35 01 52.39 V G96
2022-04-26 05:08:04 C 10 02 02.526 +35 01 50.70 V 703
2022-04-26 05:12:09 C 10 02 02.684 +35 01 49.55 V G96
2022-04-26 05:15:41 C 10 02 02.843 +35 01 48.29 V 703
2022-04-26 05:23:18 C 10 02 03.059 +35 01 45.12 V 703
2022-04-30 04:17:24 C 10 05 50.410 +34 26 45.31 U I41
2022-04-30 05:09:06 C 10 05 52.379 +34 26 26.77 V 703
2022-04-30 05:12:53 C 10 05 52.651 +34 26 23.60 U I41
2022-04-30 05:16:38 C 10 05 52.699 +34 26 22.67 V 703
2022-04-30 05:24:12 C 10 05 53.056 +34 26 18.78 V 703
2022-04-30 05:31:44 C 10 05 53.372 +34 26 16.73 V 703
2022-05-04 05:23:02 C 10 10 04.271 +33 48 48.31 V 703
2022-05-04 05:31:14 C 10 10 04.602 +33 48 44.96 V 703
2022-05-04 05:39:26 C 10 10 04.984 +33 48 41.04 V 703
2022-05-04 05:47:37 C 10 10 05.336 +33 48 37.94 V 703
2022-05-13 04:47:02 C 10 20 33.550 +32 18 06.01 U I41
2022-05-13 04:49:16 C 10 20 33.660 +32 18 05.00 U I41
2022-05-13 05:42:24 C 10 20 36.331 +32 17 41.32 U I41
2022-05-13 05:49:19 C 10 20 36.689 +32 17 38.18 U I41
2022-05-14 04:56:06 C 10 21 48.892 +32 07 26.47 V 703
2022-05-14 05:03:44 C 10 21 49.237 +32 07 23.02 V 703
2022-05-14 05:11:22 C 10 21 49.662 +32 07 19.02 V 703
2022-05-14 05:18:59 C 10 21 50.008 +32 07 16.07 V 703
2022-05-15 04:40:05 C 10 23 03.821 +31 56 52.69 U I41
2022-05-15 04:42:10 C 10 23 03.931 +31 56 51.68 U I41
2022-05-15 05:45:50 C 10 23 07.219 +31 56 22.99 U I41
2022-05-16 04:23:44 C 10 24 19.510 +31 46 14.20 U I41
2022-05-16 05:14:21 C 10 24 22.140 +31 45 51.01 U I41
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)