1997 GK21

1997GK21, 14082, 1981 VL1, 1981VL1, 1992 YT5, 1992YT5, 1997 JU16, 1997JU16, J81V01L, J92Y05T, J97G21K, J97J16U

All data for this body: [vot]

MPC data
Name (number) 1997 GK21 (14082)
a 2.24611
e 0.17121
i / sin(i) 2.5458 / 0.04442
q 1.86156
Q 2.63065
ω 65.9216
Node 192.6635
m 86.8886
n 0.2928
Epoch 2460800.5
nobs 2031
nopp 24
Years observed 1981-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.247
ep 0.169
sin(ip) 0.050
G 0.150
H 15.680
Mass
D 4.36 0.075
pV 0.078 0.0143
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.195
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2467 0.1690 0.0502 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.16 0.910 0.910 Masiero 2020PSJ.....1....5M NEATM
4.37 0.075 0.075 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0145 0.0145 Masiero 2011ApJ...741...68M NEATM
0.102 0.0860 0.0860 Masiero 2020PSJ.....1....5M 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
15.68 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
B C 0.0357 0.2840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.5325 0.2840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT