2004 RB221

2004RB221, K04RM1B, N5661

All data for this body: [vot]

MPC data
Name (number) 2004 RB221 (235661)
a 2.57641
e 0.12716
i / sin(i) 12.5636 / 0.21752
q 2.24880
Q 2.90403
ω 108.7934
Node 330.5045
m 312.7151
n 0.2383
Epoch 2460800.5
nobs 872
nopp 14
Years observed 2000-2024
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.130
sin(ip) 0.228
G 0.150
H 15.700
Mass
D
pV
Value
Rotational Period 5.100
Period quality 2
Spectral Class A
Spectral Class Score 0.867
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5780 0.1297 0.2281 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
15.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.16 2 Synodic Chang 2015ApJS..219...27C Lightcurve
5.16 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A A 0.1445 0.1440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT