1974 OU1

1974OU1, 1974 QK3, 1974QK3, 1975 TS1, 1975TS1, 1999 CY57, 1999CY57, 27656, J74O01U, J74Q03K, J75T01S, J99C57Y

All data for this body: [vot]

MPC data
Name (number) 1974 OU1 (27656)
a 3.02342
e 0.05882
i / sin(i) 10.1733 / 0.17663
q 2.84558
Q 3.20127
ω 242.4320
Node 0.1090
m 277.4915
n 0.1875
Epoch 2460800.5
nobs 3741
nopp 24
Years observed 1974-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.024
ep 0.087
sin(ip) 0.182
G 0.150
H 12.840
Mass
D 9.73 0.089
pV 0.172 0.0182
Value
Rotational Period 65.070
Period quality 2
Spectral Class K
Spectral Class Score 1.332
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0239 0.0873 0.1819 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.52 0.177 0.177 Masiero 2011ApJ...741...68M NEATM
9.81 0.103 0.103 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0205 0.0205 Masiero 2011ApJ...741...68M NEATM
0.191 0.0393 0.0393 Masiero 2011ApJ...741...68M 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
12.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
65.078 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
K 0.222 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT