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
2025-03-16 05:24:41 C 03 02 47.208 +06 34 32.23 V T08
2025-03-16 05:29:17 C 03 02 47.964 +06 34 38.06 V T08
2025-03-16 05:39:52 C 03 02 49.774 +06 34 51.28 V T08
2025-03-16 05:54:28 C 03 02 52.248 +06 35 09.42 V T08
2025-03-23 03:00:59 C 03 30 56.509 +09 52 45.88 V 703
2025-03-23 03:10:59 C 03 30 58.201 +09 52 58.04 V 703
2025-03-24 03:00:02 C 03 34 58.703 +10 20 04.49 V 703
2025-03-24 03:02:59 C 03 34 59.272 +10 20 08.12 V 703
2025-03-24 03:05:56 C 03 34 59.761 +10 20 10.21 V 703
2025-03-24 03:08:53 C 03 35 00.211 +10 20 14.32 V 703
2025-03-28 02:52:16 C 03 51 01.332 +12 05 17.02 V 703
2025-03-28 02:55:35 C 03 51 01.890 +12 05 20.58 V 703
2025-03-28 02:58:54 C 03 51 02.459 +12 05 23.46 V 703
2025-03-28 03:02:13 C 03 51 03.013 +12 05 27.53 V 703
2025-03-31 02:54:43 C 04 02 58.297 +13 19 58.48 V 703
2025-03-31 02:58:01 C 04 02 58.902 +13 20 01.82 V 703
2025-03-31 03:01:18 C 04 02 59.406 +13 20 05.64 V 703
2025-03-31 03:04:35 C 04 02 59.957 +13 20 08.74 V 703
2025-04-07 05:26:16 C 04 30 53.006 +16 00 57.20 V T08
2025-04-07 05:26:55 C 04 30 53.086 +16 00 58.46 V T08
2025-04-07 05:32:53 C 04 30 54.053 +16 01 03.65 V T08
2025-04-07 05:40:11 C 04 30 55.262 +16 01 09.88 V T08
2025-04-07 05:54:11 C 04 30 57.523 +16 01 21.83 V T08
2025-04-09 05:33:35 C 04 38 39.583 +16 42 12.82 V T05
2025-04-09 05:38:09 C 04 38 40.301 +16 42 16.85 V T05
2025-04-09 05:45:59 C 04 38 41.568 +16 42 23.44 V T05
2025-04-09 06:01:09 C 04 38 44.023 +16 42 35.57 V T05
2025-04-16 05:36:21 C 05 05 26.933 +18 51 40.07 V T05
2025-04-16 05:40:55 C 05 05 27.658 +18 51 42.95 V T05
2025-04-16 05:48:44 C 05 05 28.826 +18 51 48.35 V T05
2025-04-16 06:06:30 C 05 05 31.646 +18 52 00.37 V T05
2025-04-25 05:40:06 C 05 39 00.900 +21 05 06.25 V T05
2025-04-25 05:44:39 C 05 39 01.618 +21 05 08.63 V T05
2025-04-25 05:52:30 C 05 39 02.827 +21 05 12.34 V T05
2025-04-25 06:07:44 C 05 39 05.184 +21 05 20.94 V T05
2025-05-08 05:42:06 C 06 25 35.839 +23 16 00.37 V T08
2025-05-08 05:46:08 C 06 25 36.569 +23 16 01.13 V T08
2025-05-08 05:54:46 C 06 25 37.793 +23 16 02.96 V T08
2025-05-08 06:09:28 C 06 25 39.919 +23 16 08.11 V T08
2026-02-13 15:26:18 C 17 33 10.188 -05 02 34.94 V T05
2026-02-13 15:31:43 C 17 33 10.646 -05 02 34.15 V T05
2026-02-13 15:39:33 C 17 33 11.364 -05 02 33.94 V T05
2026-02-13 15:50:08 C 17 33 12.276 -05 02 33.00 V T05
2026-02-24 15:14:09 C 17 56 38.052 -04 33 01.62 V T05
2026-02-24 15:32:39 C 17 56 39.696 -04 32 59.10 V T05
2026-02-24 15:40:00 C 17 56 40.342 -04 32 56.36 V T05
2026-02-24 15:46:02 C 17 56 40.867 -04 32 56.29 V T05
2026-03-08 08:51:39 C 18 21 30.19 -03 44 32.7 W94
2026-03-08 09:00:32 C 18 21 30.96 -03 44 31.0 W94
2026-03-08 09:09:25 C 18 21 31.72 -03 44 29.1 W94
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)