1999 RC21

1999RC21, 2002 CA244, 2002CA244, 59817, J99R21C, K02CO4A

All data for this body: [vot]

MPC data
Name (number) 1999 RC21 (59817)
a 3.12370
e 0.08662
i / sin(i) 17.6008 / 0.30238
q 2.85313
Q 3.39427
ω 219.1108
Node 181.3121
m 198.7915
n 0.1785
Epoch 2460800.5
nobs 1784
nopp 22
Years observed 1999-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.122
ep 0.070
sin(ip) 0.300
G 0.150
H 14.250
Mass
D 5.36 0.169
pV 0.169 0.0360
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 13.706
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1224 0.0702 0.3005 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.36 0.169 0.169 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.169 0.0360 0.0360 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
14.25 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C X 0.0142 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.600 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.0448 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.2194 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4179 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7555 0.3250 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT