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
2025-05-04 20:21:21 B 15 41 59.150 +35 19 53.07 W G34
2025-05-04 20:24:49 C 15 41 57.94 +35 19 55.1 X D04
2025-05-04 20:31:18 C 15 41 56.61 +35 19 48.2 X D04
2025-05-04 21:26:33 C 15 41 46.130 +35 18 37.04 Z C23
2025-05-04 21:52:35 C 15 41 40.723 +35 18 08.17 Z C23
2025-05-04 22:46:49 C 15 41 29.777 +35 17 03.77 Z C23
2025-05-06 03:56:40 B 15 35 54.648 +34 41 56.44 q X04
2025-05-06 04:29:21 B 15 35 48.444 +34 41 16.91 q X04
2025-05-06 04:54:14 B 15 35 43.670 +34 40 47.60 q X04
2025-05-07 11:21:35 C 15 30 14.827 +34 03 30.09 X F51
2025-05-07 11:37:49 C 15 30 11.828 +34 03 09.78 X F51
2025-05-07 11:53:39 C 15 30 08.927 +34 02 49.92 X F51
2025-05-07 12:09:05 C 15 30 06.080 +34 02 30.26 X F51
2025-05-07 13:43:14 C 15 29 48.917 +34 00 29.38 V T05
2025-05-07 13:48:36 C 15 29 47.969 +34 00 22.64 V T05
2025-05-07 14:20:04 C 15 29 42.290 +33 59 41.42 V T05
2025-05-07 14:24:05 C 15 29 41.556 +33 59 36.67 V T05
2025-05-07 14:31:41 C 15 29 40.202 +33 59 26.59 V T05
2025-05-07 14:42:39 C 15 29 38.237 +33 59 12.34 V T05
2025-05-07 14:47:29 C 15 29 37.351 +33 59 05.75 V T05
2025-05-08 09:13:37 C 15 26 32.738 +33 36 07.13 V T08
2025-05-08 09:17:53 C 15 26 30.332 +33 35 54.60 V 703
2025-05-08 09:20:21 C 15 26 31.567 +33 35 58.99 V T08
2025-05-08 09:20:55 C 15 26 29.807 +33 35 51.00 V 703
2025-05-08 09:23:57 C 15 26 29.242 +33 35 47.54 V 703
2025-05-08 09:26:59 C 15 26 28.730 +33 35 43.48 V 703
2025-05-08 10:00:06 C 15 26 24.583 +33 35 09.74 V T08
2025-05-08 10:06:02 C 15 26 23.530 +33 35 02.33 V T08
2025-05-08 22:09:46 C 15 24 25.195 +33 19 30.54 Z C23
2025-05-08 22:52:39 C 15 24 18.000 +33 18 37.33 Z C23
2025-05-08 23:30:35 C 15 24 11.614 +33 17 49.42 Z C23
2025-05-09 08:14:11 C 15 22 47.420 +33 06 55.01 V 703
2025-05-09 08:17:47 C 15 22 46.826 +33 06 50.40 V 703
2025-05-09 08:21:20 C 15 22 46.153 +33 06 45.83 V 703
2025-05-09 08:24:49 C 15 22 45.642 +33 06 41.54 V 703
2025-05-09 10:03:07 C 15 22 30.854 +33 04 43.10 V T08
2025-05-09 10:05:46 C 15 22 30.422 +33 04 40.12 V T08
2025-05-09 10:09:50 C 15 22 29.729 +33 04 35.11 V T08
2025-05-09 11:01:23 C 15 22 21.091 +33 03 29.16 V T08
2025-05-10 08:41:01 C 15 19 00.793 +32 35 40.96 V 703
2025-05-10 08:44:24 C 15 19 00.224 +32 35 37.21 V 703
2025-05-10 08:47:46 C 15 18 59.738 +32 35 33.47 V 703
2025-05-10 08:51:08 C 15 18 59.206 +32 35 28.61 V 703
2025-05-10 11:07:54 C 15 18 38.959 +32 32 40.09 V T05
2025-05-10 11:13:09 C 15 18 38.179 +32 32 32.82 V T05
2025-05-10 11:21:00 C 15 18 36.967 +32 32 23.39 V T05
2025-05-10 12:05:39 C 15 18 29.857 +32 31 24.80 X F51
2025-05-10 12:09:57 C 15 18 29.148 +32 31 19.13 V T05
2025-05-10 12:48:33 C 15 18 23.108 +32 30 28.46 X F51
2025-05-10 22:06:40 B 15 17 02.561 +32 18 18.29 Z K35
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)