1992 ST2

1992ST2, 1998 HQ40, 1998HQ40, 39567, J92S02T, J98H40Q

All data for this body: [vot]

MPC data
Name (number) 1992 ST2 (39567)
a 2.36240
e 0.13336
i / sin(i) 24.2614 / 0.41090
q 2.04736
Q 2.67745
ω 196.6476
Node 194.9113
m 329.7350
n 0.2714
Epoch 2460800.5
nobs 3275
nopp 23
Years observed 1983-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.363
ep 0.145
sin(ip) 0.407
G 0.150
H 14.550
Mass
D 7.88 0.063
pV 0.072 0.0087
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3627 0.1454 0.4067 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.53 1.870 1.870 Nugent 2016AJ....152...63N NEATM
7.30 2.410 2.410 Masiero 2012ApJ...759L...8M NEATM
7.80 2.320 2.320 Masiero 2020PSJ.....1....5M NEATM
7.88 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
8.93 2.060 2.060 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0180 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM
0.060 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM
0.063 0.1010 0.1010 Masiero 2012ApJ...759L...8M NEATM
0.080 0.0099 0.0099 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
14.55 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.0836 0.0836 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT