Tomcowling

12139, 1992 UJ10, 1992UJ10, 1995 PX, 1995PX, 4055 P-L, 4055P-L, J92U10J, J95P00X, PLS4055

All data for this body: [vot]

MPC data

Name (number)	Tomcowling (12139)
a	2.32057
e	0.12123
i / sin(i)	3.0743 / 0.05363
q	2.03925
Q	2.60188
ω	241.3708
Node	323.6198
m	261.6329
n	0.2788
Epoch	2460800.5

n_obs	2891
n_opp	23
Years observed	1960-2025
rms	0.72

Best values

	Value	Standard error
Parent

a_p	2.320
e_p	0.158
sin(i_p)	0.063
G	0.150
H	14.820
Mass
D	7.10	0.677
pV	0.039	0.0085

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	3.550

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3195	0.1579	0.0627	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
6.10	1.550	1.550	Nugent	2016AJ....152...63N	NEATM
6.21	1.710	1.710	Masiero	2021PSJ.....2..162M	NEATM
6.26	1.970	1.970	Masiero	2020PSJ.....1....5M	NEATM
6.49	1.800	1.800	Masiero	2021PSJ.....2..162M	NEATM
6.65	2.096	2.096	Masiero	2017AJ....154..168M	NEATM
9.06	1.260	1.260	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.034	0.0100	0.0100	Masiero	2012ApJ...759L...8M	NEATM
0.050	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.053	0.0458	0.0458	Masiero	2017AJ....154..168M	NEATM
0.053	0.0200	0.0330	Masiero	2021PSJ.....2..162M	NEATM
0.055	0.0260	0.0490	Masiero	2021PSJ.....2..162M	NEATM
0.059	0.0430	0.0430	Masiero	2020PSJ.....1....5M	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
14.82			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
B				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
C		0.18		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	C	0.5316	0.5316	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT