Chirman

06981, 1974 FN1, 1974FN1, 1984 SG3, 1984SG3, 1993 TK2, 1993TK2, J74F01N, J84S03G, J93T02K

All data for this body: [vot]

MPC data
Name (number) Chirman (6981)
a 2.67565
e 0.15582
i / sin(i) 13.2904 / 0.22989
q 2.25871
Q 3.09258
ω 254.9126
Node 21.9463
m 172.7409
n 0.2252
Epoch 2460800.5
nobs 5900
nopp 25
Years observed 1974-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.673
ep 0.145
sin(ip) 0.231
G 0.150
H 13.150
Mass
D 7.23 0.069
pV 0.180 0.0115
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.423
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.3900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6727 0.1448 0.2308 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.99 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
7.79 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
7.91 0.141 0.141 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.149 0.0198 0.0198 Masiero 2011ApJ...741...68M NEATM
0.190 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.201 0.0200 0.0200 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
13.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.971 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5995 0.5995 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT