O'Connor

08357, 1948 TM1, 1948TM1, 1972 TM7, 1972TM7, 1975 NP, 1975NP, 1982 QY2, 1982QY2, 1988 HQ, 1988HQ, 1989 SC1, 1989SC1, J48T01M, J72T07M, J75N00P, J82Q02Y, J88H00Q, J89S01C

All data for this body: [vot]

MPC data
Name (number) O'Connor (8357)
a 2.27313
e 0.17008
i / sin(i) 1.5647 / 0.02731
q 1.88652
Q 2.65975
ω 53.4816
Node 283.2126
m 155.0728
n 0.2876
Epoch 2460800.5
nobs 3889
nopp 27
Years observed 1950-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.273
ep 0.124
sin(ip) 0.042
G 0.150
H 13.950
Mass
D 4.14 0.330
pV 0.341 0.0560
Value
Rotational Period 7.766
Period quality 2
Spectral Class S
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2735 0.1237 0.0418 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.14 0.330 0.330 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.341 0.0560 0.0560 Masiero 2012ApJ...759L...8M NEATM
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
13.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.76575 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT