Utra

01447, 1918 FA, 1918FA, 1936 SB, 1936SB, 1938 BB, 1938BB, 1951 KO, 1951KO, J18F00A, J36S00B, J38B00B, J51K00O

All data for this body: [vot]

MPC data

Name (number)	Utra (1447)
a	2.53518
e	0.04089
i / sin(i)	4.7848 / 0.08341
q	2.43151
Q	2.63885
ω	67.2775
Node	35.3886
m	99.7281
n	0.2442
Epoch	2460200.5

n_obs	4189
n_opp	41
Years observed	1938-2023
rms	0.55

Best values

	Value	Standard error
Parent

a_p	2.535
e_p	0.058
sin(i_p)	0.076

	Value	Standard error
G	0.150
H	11.770
Mass
D	12.31	0.077
pV	0.329	0.0273

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5352	0.0580	0.0756	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.83	0.120	0.120	Masiero	2014ApJ...791..121M	NEATM
11.83	0.860	0.860	Usui	2011PASJ...63.1117U	NEATM
12.12	2.420	2.420	Ali-Lagoa	2018A&A...612A..85A	NEATM
12.63	0.103	0.103	Masiero	2011ApJ...741...68M	NEATM
13.26	0.530	0.530	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.278	0.1110	0.1110	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.303	0.0380	0.0380	Masiero	2012ApJ...759L...8M	NEATM
0.338	0.0591	0.0591	Masiero	2011ApJ...741...68M	NEATM
0.400	0.0600	0.0600	Masiero	2014ApJ...791..121M	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
11.77			MPC-2023-12-04	MPC-2023-12-04	Phot