Stallman

09882, 1979 QV4, 1979QV4, 1994 SS9, 1994SS9, 1997 HE18, 1997HE18, J79Q04V, J94S09S, J97H18E

All data for this body: [vot]

MPC data
Name (number) Stallman (9882)
a 2.39480
e 0.18241
i / sin(i) 0.9925 / 0.01732
q 1.95798
Q 2.83163
ω 157.4786
Node 148.7083
m 140.1597
n 0.2660
Epoch 2460800.5
nobs 1437
nopp 24
Years observed 1979-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.393
ep 0.158
sin(ip) 0.017
G 0.150
H 15.990
Mass
D 4.23 0.099
pV 0.039 0.0062
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.408
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3927 0.1577 0.0168 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.23 0.099 0.099 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.039 0.0062 0.0062 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
15.99 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
C C 0.2347 0.2347 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT