Petrov

04785, 1978 NC1, 1978NC1, 1979 SE5, 1979SE5, 1981 AN2, 1981AN2, 1984 YH1, 1984YH1, J78N01C, J79S05E, J81A02N, J84Y01H

All data for this body: [vot]

MPC data
Name (number) Petrov (4785)
a 2.66387
e 0.06172
i / sin(i) 2.6745 / 0.04666
q 2.49944
Q 2.82829
ω 113.7189
Node 301.3106
m 122.3499
n 0.2267
Epoch 2460800.5
nobs 4134
nopp 28
Years observed 1978-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.664
ep 0.051
sin(ip) 0.066
G 0.150
H 13.620
Mass
D
pV
Value
Rotational Period 3.149
Period quality 2
Spectral Class S
Spectral Class Score 9.756
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6645 0.0506 0.0661 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.14939 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.91 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9893 0.9893 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT