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
2024-01-13 15:04:47 C 14 31 00.792 +03 32 23.42 V T08
2024-01-13 15:15:56 C 14 31 01.529 +03 32 25.58 V T08
2024-01-13 15:40:47 C 14 31 03.194 +03 32 29.26 V T08
2024-01-18 15:03:55 C 14 39 08.657 +03 52 24.82 V T08
2024-01-18 15:08:34 C 14 39 08.954 +03 52 25.39 V T08
2024-01-18 15:27:38 C 14 39 10.238 +03 52 29.10 V T08
2024-01-18 15:38:24 C 14 39 10.970 +03 52 30.47 V T08
2024-01-22 12:22:38 C 14 45 13.294 +04 11 56.00 V T08
2024-01-22 12:30:21 C 14 45 13.908 +04 11 57.37 V T08
2024-01-22 12:33:49 C 14 45 14.170 +04 11 55.97 V T08
2024-01-22 12:48:26 C 14 45 15.058 +04 12 00.79 V T08
2024-01-22 14:51:54 C 14 45 22.854 +04 12 28.29 X F51
2024-01-22 15:10:57 C 14 45 24.043 +04 12 32.63 X F51
2024-01-22 15:30:00 C 14 45 25.235 +04 12 37.03 X F51
2024-01-22 15:49:07 C 14 45 26.430 +04 12 41.42 X F51
2024-01-23 14:54:42 C 14 46 54.485 +04 18 05.22 V T05
2024-01-23 14:59:16 C 14 46 54.773 +04 18 06.41 V T05
2024-01-23 15:07:51 C 14 46 55.291 +04 18 09.00 V T05
2024-01-23 15:37:55 C 14 46 57.214 +04 18 16.20 V T05
2024-02-02 14:12:43 C 15 01 11.491 +05 27 21.06 V T08
2024-02-02 14:28:57 C 15 01 12.408 +05 27 26.35 V T08
2024-02-02 14:33:01 C 15 01 12.612 +05 27 28.40 V T08
2024-02-02 14:40:26 C 15 01 13.090 +05 27 30.46 V T08
2024-02-04 14:55:54 C 15 03 52.486 +05 44 31.52 V T05
2024-02-04 14:58:31 C 15 03 52.654 +05 44 32.42 V T05
2024-02-04 15:07:17 C 15 03 53.107 +05 44 35.88 V T05
2024-02-04 15:38:45 C 15 03 54.758 +05 44 47.04 V T05
2024-02-06 14:43:10 C 15 06 25.606 +06 02 25.30 V T08
2024-02-06 15:20:33 C 15 06 27.528 +06 02 40.06 V T08
2024-02-06 15:28:10 C 15 06 27.905 +06 02 42.58 V T08
2024-02-06 15:34:27 C 15 06 28.195 +06 02 44.81 V T08
2024-02-08 13:52:19 C 15 08 51.746 +06 21 05.87 V T05
2024-02-08 13:57:00 C 15 08 51.953 +06 21 08.60 V T05
2024-02-08 14:07:32 C 15 08 52.510 +06 21 11.74 V T05
2024-02-08 14:29:11 C 15 08 53.554 +06 21 21.53 V T05
2024-02-12 13:12:23 C 15 13 31.140 +07 02 01.54 V T05
2024-02-12 13:16:57 C 15 13 31.339 +07 02 04.13 V T05
2024-02-12 13:45:13 C 15 13 32.652 +07 02 16.40 V T05
2024-02-12 14:00:53 C 15 13 33.346 +07 02 23.17 V T05
2024-02-17 02:13:10 C 15 18 22.411 +07 54 05.08 V M22
2024-02-17 02:37:11 C 15 18 23.374 +07 54 17.14 V M22
2024-02-17 02:54:40 C 15 18 24.096 +07 54 25.88 V M22
2024-02-17 03:06:42 C 15 18 24.574 +07 54 31.61 V M22
2024-02-19 08:36:50 C 15 20 35.789 +08 22 04.51 V W68
2024-02-19 08:42:04 C 15 20 35.983 +08 22 07.54 V W68
2024-02-19 09:11:06 C 15 20 37.085 +08 22 22.30 V W68
2024-02-19 09:19:36 C 15 20 37.421 +08 22 26.94 V W68
2024-02-20 12:09:21 C 15 21 39.978 +08 36 38.52 V 703
2024-02-20 12:12:38 C 15 21 40.158 +08 36 41.65 V 703
2024-02-20 12:15:54 C 15 21 40.270 +08 36 44.28 V 703
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)