6639 P-L

6639P-L, 16303, 1998 RJ35, 1998RJ35, 1999 XQ87, 1999XQ87, J98R35J, J99X87Q, PLS6639

All data for this body: [vot]

MPC data
Name (number) 6639 P-L (16303)
a 3.09908
e 0.16006
i / sin(i) 2.8230 / 0.04925
q 2.60305
Q 3.59510
ω 314.9809
Node 138.5237
m 227.5189
n 0.1807
Epoch 2460800.5
nobs 1736
nopp 22
Years observed 1960-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.098
ep 0.159
sin(ip) 0.036
G 0.150
H 14.500
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.668
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.2200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0984 0.1594 0.0364 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
14.50 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
C 0.778 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.0224 0.0224 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT