Gumilyov

04556, 1980 TJ1, 1980TJ1, 1984 YK3, 1984YK3, 1984 YR2, 1984YR2, 1987 QW10, 1987QW10, J80T01J, J84Y02R, J84Y03K, J87Q10W

All data for this body: [vot]

MPC data
Name (number) Gumilyov (4556)
a 2.31065
e 0.14527
i / sin(i) 4.7526 / 0.08285
q 1.97497
Q 2.64632
ω 213.4906
Node 111.8025
m 277.0157
n 0.2806
Epoch 2460800.5
nobs 4516
nopp 29
Years observed 1980-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.311
ep 0.103
sin(ip) 0.069
G 0.150
H 13.750
Mass
D 5.12 0.172
pV 0.282 0.0293
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.215
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3107 0.1031 0.0693 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.11 0.710 0.710 Nugent 2016AJ....152...63N NEATM
4.23 0.930 0.930 Nugent 2016AJ....152...63N NEATM
5.22 0.181 0.181 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM
0.280 0.1700 0.1700 Nugent 2016AJ....152...63N NEATM
0.282 0.0321 0.0321 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
13.75 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
A Tholen VIS Lazzaro 2004Icar..172..179L SPEC
L Bus VIS Lazzaro 2004Icar..172..179L SPEC
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.7192 0.7192 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT