1998 UM15

1998UM15, 2000 ED77, 2000ED77, 44440, J98U15M, K00E77D

All data for this body: [vot]

MPC data

Name (number)	1998 UM15 (44440)
a	2.17639
e	0.16844
i / sin(i)	6.0836 / 0.10598
q	1.80980
Q	2.54298
ω	235.3316
Node	63.6818
m	355.9143
n	0.3070
Epoch	2460200.5

n_obs	2080
n_opp	19
Years observed	1987-2023
rms	0.61

Best values

	Value	Standard error
Parent

a_p	2.176
e_p	0.102
sin(i_p)	0.094

	Value	Standard error
G	0.150
H	15.400
Mass
D	2.04	0.394
pV	0.466	0.3012
Rotational Period	2.965

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.1764	0.1018	0.0942	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.04	0.394	0.394	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.466	0.3012	0.3012	Masiero	2011ApJ...741...68M	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
15.40			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.78			Erasmus	2019ApJS..242...15E	Lightcurve
2.96			Waszczak	2015AJ....150...75W	Lightcurve