1999 RD204

1999RD204, 1999 SW25, 1999SW25, 2000 XF32, 2000XF32, 66621, J99RK4D, J99S25W, K00X32F

All data for this body: [vot]

MPC data
Name (number) 1999 RD204 (66621)
a 2.69133
e 0.16318
i / sin(i) 12.5094 / 0.21660
q 2.25215
Q 3.13051
ω 309.4369
Node 324.5598
m 1.9088
n 0.2232
Epoch 2460800.5
nobs 2104
nopp 22
Years observed 1981-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.691
ep 0.157
sin(ip) 0.231
G 0.150
H 14.460
Mass
D 3.79 0.662
pV 0.256 0.1508
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.532
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.3600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6909 0.1573 0.2305 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.79 0.662 0.662 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.256 0.1508 0.1508 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
14.46 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
Cgx Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.4220 0.4220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT