2011 SG221

2011SG221, K11SM1G, y0278

All data for this body: [vot]

MPC data
Name (number) 2011 SG221 (600278)
a 2.71253
e 0.21269
i / sin(i) 14.6792 / 0.25341
q 2.13559
Q 3.28948
ω 140.0164
Node 176.9003
m 50.8177
n 0.2206
Epoch 2460800.5
nobs 131
nopp 6
Years observed 2011-2023
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.713
ep 0.178
sin(ip) 0.252
G 0.150
H 17.320
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.279
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7131 0.1784 0.2517 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
17.32 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 0.2131 0.1620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.1415 0.1620 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT