1999 RL211

1999RL211, 1978 WQ20, 1978WQ20, 40681, J78W20Q, J99RL1L

All data for this body: [vot]

MPC data
Name (number) 1999 RL211 (40681)
a 3.02103
e 0.14447
i / sin(i) 7.7407 / 0.13469
q 2.58459
Q 3.45747
ω 137.5190
Node 238.5987
m 317.8597
n 0.1877
Epoch 2460800.5
nobs 2411
nopp 23
Years observed 1978-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.018
ep 0.116
sin(ip) 0.152
G 0.150
H 13.870
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.449
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0183 0.1155 0.1524 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
13.87 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 S 0.5413 0.6430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7002 0.6430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.172 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT