2000 RR9

2000RR9, 1987 SC28, 1987SC28, 1991 RT39, 1991RT39, 38772, J87S28C, J91R39T, K00R09R

All data for this body: [vot]

MPC data
Name (number) 2000 RR9 (38772)
a 2.60075
e 0.20593
i / sin(i) 4.0520 / 0.07066
q 2.06518
Q 3.13632
ω 239.8565
Node 125.0334
m 345.2743
n 0.2350
Epoch 2460800.5
nobs 1318
nopp 25
Years observed 1982-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.600
ep 0.150
sin(ip) 0.054
G 0.150
H 15.150
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.779
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6005 0.1503 0.0536 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
15.15 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 0.6020 0.6240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.988 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9752 0.6240 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT