1999 RJ242

1999RJ242, 1999 RX143, 1999RX143, 2000 WJ9, 2000WJ9, 70402, J99RE3X, J99RO2J, K00W09J

All data for this body: [vot]

MPC data
Name (number) 1999 RJ242 (70402)
a 2.57230
e 0.04707
i / sin(i) 3.0928 / 0.05395
q 2.45121
Q 2.69338
ω 261.5543
Node 354.5533
m 168.1484
n 0.2389
Epoch 2460800.5
nobs 940
nopp 19
Years observed 1998-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.571
ep 0.050
sin(ip) 0.059
G 0.150
H 15.800
Mass
D 2.26 0.841
pV 0.239 0.1558
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.922
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5715 0.0498 0.0590 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.26 0.841 0.841 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.239 0.1558 0.1558 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
15.80 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
S 0.987 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT