1991 RJ20

1991RJ20, 1995 XZ4, 1995XZ4, 43810, J91R20J, J95X04Z

All data for this body: [vot]

MPC data
Name (number) 1991 RJ20 (43810)
a 2.40985
e 0.22799
i / sin(i) 3.0543 / 0.05328
q 1.86043
Q 2.95926
ω 229.5884
Node 131.6922
m 352.1243
n 0.2635
Epoch 2460800.5
nobs 1612
nopp 21
Years observed 1991-2024
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.410
ep 0.191
sin(ip) 0.041
G 0.150
H 15.670
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.612
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.1100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4097 0.1907 0.0405 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
15.67 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 S 0.0184 0.4380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7838 0.4380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9870 0.4380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9978 0.4380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0746 0.4380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT