Ursa

01838, 1951 GB1, 1951GB1, 1954 UA, 1954UA, 1965 UE, 1965UE, 1971 UC, 1971UC, 1977 UP1, 1977UP1, J51G01B, J54U00A, J65U00E, J71U00C, J77U01P

All data for this body: [vot]

MPC data
Name (number) Ursa (1838)
a 3.22333
e 0.01225
i / sin(i) 22.0019 / 0.37464
q 3.18385
Q 3.26282
ω 34.6219
Node 44.0674
m 322.8589
n 0.1703
Epoch 2460200.5
nobs 6141
nopp 35
Years observed 1951-2023
rms 0.40
Best values
[raw, vot]

Value Standard error
Parent Alauda (702)
 
ap 3.211
ep 0.031
sin(ip) 0.364
Value Standard error
G 0.150
H 10.910
Mass
D 42.23 0.237
pV 0.056 0.0027
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
702 Alauda 902 Alauda 0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2110 0.0313 0.3645 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
33.49 3.350 3.350 Ali-Lagoa 2018A&A...612A..85A NEATM
34.87 1.600 1.600 Tedesco 2002AJ....123.1056T STM
37.58 1.094 1.094 Ryan&Woodward 2010AJ....140..933R IRAS-STM
39.97 0.630 0.630 Usui 2011PASJ...63.1117U NEATM
40.05 0.380 0.380 Masiero 2014ApJ...791..121M NEATM
40.20 0.730 0.730 Masiero 2012ApJ...759L...8M NEATM
43.52 4.350 4.350 Ali-Lagoa 2018A&A...612A..85A NEATM
48.15 2.094 2.094 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
48.55 0.454 0.454 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.043 0.0137 0.0137 Masiero 2011ApJ...741...68M NEATM
0.044 0.0039 0.0039 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.051 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.057 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM
0.070 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.072 0.0073 0.0073 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.084 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.086 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A 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
10.91 MPC-2023-12-04 MPC-2023-12-04 Phot