1998 RL74

1998RL74, 1992 PD4, 1992PD4, 40190, J92P04D, J98R74L

All data for this body: [vot]

MPC data
Name (number) 1998 RL74 (40190)
a 3.16798
e 0.17810
i / sin(i) 3.7125 / 0.06475
q 2.60378
Q 3.73219
ω 13.7241
Node 311.7924
m 295.7747
n 0.1748
Epoch 2460800.5
nobs 1828
nopp 22
Years observed 1992-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.174
ep 0.153
sin(ip) 0.080
G 0.150
H 14.210
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 7.862
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1743 0.1527 0.0800 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.21 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 B 0.5542 0.5380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.7562 0.5380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.6358 0.5380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT