Mitamasahiro

11921, 1978 QF, 1978QF, 1979 YO4, 1979YO4, 1992 UN3, 1992UN3, 1999 JU18, 1999JU18, J78Q00F, J79Y04O, J92U03N, J99J18U

All data for this body: [vot]

MPC data
Name (number) Mitamasahiro (11921)
a 2.69130
e 0.01576
i / sin(i) 14.2608 / 0.24634
q 2.64888
Q 2.73373
ω 179.9367
Node 233.6728
m 119.3981
n 0.2232
Epoch 2460800.5
nobs 6821
nopp 24
Years observed 1978-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.692
ep 0.039
sin(ip) 0.260
G 0.150
H 13.000
Mass
D 9.74 2.885
pV 0.132 0.1321
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.166
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6922 0.0388 0.2599 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.34 7.190 7.190 Masiero 2012ApJ...759L...8M NEATM
8.86 3.150 3.150 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.3990 0.3990 Masiero 2012ApJ...759L...8M NEATM
0.140 0.1400 0.1400 Nugent 2016AJ....152...63N 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
13.00 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
S 0.361 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT