1998 RH74

1998RH74, 1971 QR, 1971QR, 42744, J71Q00R, J98R74H

All data for this body: [vot]

MPC data
Name (number) 1998 RH74 (42744)
a 3.04303
e 0.14437
i / sin(i) 3.8003 / 0.06628
q 2.60371
Q 3.48235
ω 47.3420
Node 275.5031
m 43.2444
n 0.1857
Epoch 2460800.5
nobs 3608
nopp 23
Years observed 1971-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.042
ep 0.127
sin(ip) 0.087
G 0.150
H 13.130
Mass
D 8.60 0.111
pV 0.138 0.0194
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 5.529
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0423 0.1266 0.0867 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.60 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.138 0.0194 0.0194 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
13.13 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
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D D 0.5882 0.5882 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.442 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT