1999 RD220

1999RD220, 2001 BZ55, 2001BZ55, 40686, J99RM0D, K01B55Z

All data for this body: [vot]

MPC data
Name (number) 1999 RD220 (40686)
a 2.68150
e 0.07639
i / sin(i) 8.7459 / 0.15205
q 2.47665
Q 2.88634
ω 281.2332
Node 102.0747
m 279.0847
n 0.2245
Epoch 2460800.5
nobs 1822
nopp 21
Years observed 1998-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.681
ep 0.090
sin(ip) 0.135
G 0.150
H 14.670
Mass
D 6.57 0.299
pV 0.071 0.0123
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 5.672
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6809 0.0898 0.1347 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.57 0.299 0.299 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0123 0.0123 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
14.67 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 D 0.9454 0.9454 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT