4034 Vishnu (1986 PA)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4440123499 ± 1.15e-02
Semi-major axis (a)1.0593661162 AU ± 1.24e-02
Inclination (i)11.16925766° ± 6.63e-01
Long. of Asc. Node (Ω)157.86471855° ± 1.66e+00
Arg. of Perihelion (ω)296.70262904° ± 3.25e+00
Mean Anomaly (M)261.95042071° ± 1.98e+00
Mean Motion (n)0.9039473986°/day ± 1.59e-02
Perihelion dist (q)0.58899448 AU ± 1.40e-02
Aphelion dist (Q)1.52973775 AU ± 2.17e-02
Orbital Period1.09035801 yr ± 1.92e-02
NGA Modelr2
A2-3.37481791e-06 AU/d²
Physical Parameters
H (abs. magnitude)18.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.333″
Uncertainty0
Orbit TypeApollo
MOID0.018713 AU
Observations Used1245
Radar Obs Used1
Oppositions1
Arc Total1986-2025
First Observation Used1986-08-02
Last Observation Used2025-06-24
Observations (1315)
Date Type RA Dec Mag Band Observatory
2021-09-11 12:11:51 C 07 51 27.22 +05 55 00.6 U I41
2021-09-11 12:15:29 C 07 51 28.47 +05 54 55.6 U I41
2022-05-12 10:27:54 C 20 55 53.094 -02 05 37.68 V G96
2022-05-12 10:34:34 C 20 55 53.411 -02 05 34.80 V G96
2022-05-12 10:41:15 C 20 55 53.731 -02 05 31.85 V G96
2022-05-12 10:47:55 C 20 55 54.023 -02 05 28.97 V G96
2022-05-13 10:54:03 C 20 57 02.916 -01 54 37.15 V G96
2022-05-13 11:00:47 C 20 57 03.229 -01 54 34.38 V G96
2022-05-13 11:07:30 C 20 57 03.532 -01 54 31.10 V G96
2022-05-13 11:14:16 C 20 57 03.823 -01 54 28.19 V G96
2022-05-27 09:20:51 C 21 10 33.229 +00 34 14.66 V G96
2022-05-27 09:28:20 C 21 10 33.485 +00 34 17.90 V G96
2022-05-27 09:35:48 C 21 10 33.697 +00 34 21.11 V G96
2022-05-27 09:43:15 C 21 10 33.942 +00 34 24.53 V G96
2022-06-06 12:40:32 C 21 16 55.711 +02 16 34.90 U F52
2022-06-06 12:57:57 C 21 16 56.003 +02 16 42.03 U F52
2022-06-06 13:15:27 C 21 16 56.286 +02 16 49.03 U F52
2022-06-06 13:32:55 C 21 16 56.572 +02 16 56.02 U F52
2022-06-28 11:37:13 C 21 16 22.193 +05 08 03.53 U F52
2022-06-28 11:52:47 C 21 16 21.731 +05 08 06.82 U F52
2022-06-28 12:08:22 C 21 16 21.272 +05 08 10.15 U F52
2022-06-28 12:23:56 C 21 16 20.813 +05 08 13.50 U F52
2022-06-28 16:52:01 C 21 16 14.174 +05 09 19.94 V P07
2022-06-28 18:23:05 C 21 16 11.417 +05 09 39.67 V P07
2022-06-28 18:30:39 C 21 16 11.222 +05 09 41.00 V P07
2022-06-28 18:38:43 C 21 16 10.975 +05 09 42.59 V P07
2022-06-28 18:45:41 C 21 16 10.750 +05 09 44.10 V P07
2022-06-28 18:45:49 C 21 16 10.726 +05 09 44.10 V P07
2022-06-28 18:53:10 C 21 16 10.546 +05 09 45.43 V P07
2022-06-28 19:01:13 C 21 16 10.274 +05 09 47.05 V P07
2022-06-28 19:08:10 C 21 16 10.078 +05 09 48.92 V P07
2022-06-28 19:28:56 C 21 16 09.454 +05 09 54.07 V P07
2022-06-28 19:55:35 C 21 16 08.606 +05 09 58.97 V P07
2022-06-28 20:23:33 C 21 16 07.762 +05 10 03.83 V P07
2022-06-30 17:52:47 C 21 14 48.44 +05 18 33.1 V D29
2022-06-30 18:13:09 C 21 14 47.72 +05 18 36.5 V D29
2022-06-30 18:33:31 C 21 14 46.95 +05 18 40.1 V D29
2022-07-05 14:36:34 C 21 10 15.677 +05 34 13.01 V P07
2022-07-05 15:26:04 C 21 10 13.248 +05 34 17.54 V P07
2022-07-05 16:29:13 C 21 10 10.085 +05 34 22.62 V P07
2022-07-05 17:33:07 C 21 10 06.845 +05 34 27.62 V P07
2022-07-05 18:57:25 C 21 10 02.549 +05 34 35.40 V P07
2022-07-05 19:46:17 C 21 10 00.065 +05 34 39.32 V P07
2022-07-05 20:35:21 C 21 09 57.559 +05 34 42.49 V P07
2022-07-05 20:35:56 C 21 09 57.473 +05 34 42.71 V P07
2022-07-06 17:12:00 C 21 08 58.337 +05 36 09.94 V P07
2022-07-06 17:53:34 C 21 08 56.062 +05 36 12.67 V P07
2022-07-06 18:45:23 C 21 08 53.218 +05 36 15.44 V P07
2022-07-06 19:04:08 C 21 08 52.214 +05 36 16.92 V P07
2022-07-06 19:13:06 C 21 08 51.749 +05 36 17.32 V P07
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1989-03-26 14:00:00 56566 2 Hz 2380 -1 -1
1989-03-26.583333 5656600 200 Hz 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)