2008 PB21

2008PB21, e6776, K08P21B

All data for this body: [vot]

MPC data
Name (number) 2008 PB21 (406776)
a 3.19844
e 0.20561
i / sin(i) 28.3261 / 0.47449
q 2.54082
Q 3.85606
ω 22.0437
Node 354.7231
m 299.2898
n 0.1723
Epoch 2460800.5
nobs 428
nopp 12
Years observed 2000-2025
rms 0.92
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.188
ep 0.282
sin(ip) 0.454
G 0.150
H 15.390
Mass
D 5.42 0.229
pV 0.042 0.0068
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.818
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1877 0.2822 0.4535 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.42 0.229 0.229 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.042 0.0068 0.0068 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
15.39 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 0.803 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT