1999 CO20

1999CO20, 1982 BL7, 1982BL7, 70033, J82B07L, J99C20O

All data for this body: [vot]

MPC data
Name (number) 1999 CO20 (70033)
a 3.18252
e 0.17583
i / sin(i) 6.2177 / 0.10831
q 2.62294
Q 3.74211
ω 343.2849
Node 74.4420
m 271.3383
n 0.1736
Epoch 2460800.5
nobs 1775
nopp 22
Years observed 1982-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.174
ep 0.163
sin(ip) 0.086
G 0.150
H 14.200
Mass
D 7.52 0.163
pV 0.086 0.0129
Value
Rotational Period 0.900
Period quality
Spectral Class C
Spectral Class Score 22.657
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1739 0.1629 0.0863 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.52 0.163 0.163 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.086 0.0129 0.0129 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
14.20 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
0.92 Synodic Erasmus 2018ApJS..237...19E Lightcurve
0.92 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B C 0.0510 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.944 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C 0.996000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
C 0.997000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
C C 0.2540 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5085 0.3320 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT