2001 OD81

2001OD81, 1985 PK, 1985PK, 42259, J85P00K, K01O81D

All data for this body: [vot]

MPC data
Name (number) 2001 OD81 (42259)
a 2.99204
e 0.12299
i / sin(i) 9.8366 / 0.17084
q 2.62403
Q 3.36004
ω 11.3651
Node 327.0260
m 230.5734
n 0.1904
Epoch 2460800.5
nobs 3725
nopp 25
Years observed 1985-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.994
ep 0.096
sin(ip) 0.182
G 0.150
H 12.830
Mass
D 9.90 0.289
pV 0.213 0.0245
Value
Rotational Period 4.820
Period quality 2
Spectral Class S
Spectral Class Score 3.756
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9943 0.0956 0.1819 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.83 1.670 1.670 Masiero 2012ApJ...759L...8M NEATM
9.90 0.293 0.293 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.167 0.0930 0.0930 Masiero 2012ApJ...759L...8M NEATM
0.216 0.0254 0.0254 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
12.83 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.82 2 Synodic Chang 2015ApJS..219...27C Lightcurve
4.82146 2 Sidereal Durech 2023A&A...675A..24D Model
4.826 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.626 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.4098 0.4098 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
XL 0.54 Bus VIS Carvano 2010A&A...510A..43C PHOT