2001 RD4

2001RD4, 1999 CS104, 1999CS104, A9647, J99CA4S, K01R04D

All data for this body: [vot]

MPC data
Name (number) 2001 RD4 (109647)
a 2.62474
e 0.10759
i / sin(i) 6.2797 / 0.10938
q 2.34235
Q 2.90713
ω 125.6350
Node 292.2478
m 130.8687
n 0.2318
Epoch 2460800.5
nobs 1191
nopp 20
Years observed 1994-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.625
ep 0.103
sin(ip) 0.127
G 0.150
H 15.440
Mass
D 2.56 0.352
pV 0.295 0.0540
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 1.512
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6247 0.1030 0.1269 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.56 0.352 0.352 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.295 0.0540 0.0540 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
15.44 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
K 0.252 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT