Ursula

00375, 1893 SB, 1893SB, I93S00B

All data for this body: [vot]

MPC data

Name (number)	Ursula (375)
a	3.12706
e	0.10292
i / sin(i)	15.9423 / 0.27467
q	2.80521
Q	3.44890
ω	341.5721
Node	336.4096
m	222.1047
n	0.1782
Epoch	2460200.5

n_obs	4271
n_opp	56
Years observed	1893-2023
rms	0.50

Best values

	Value	Standard error
Parent	Ursula (375)

a_p	3.129
e_p	0.094
sin(i_p)	0.282

	Value	Standard error
G	0.150
H	7.520
Mass	4.385e+18	1.176e+18
D	193.69	2.507
pV	0.048	0.0126

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
375	Ursula	631	Ursula		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1288	0.0938	0.2824	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Mass data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
1.8800e+19	6.4000e+18	6.4000e+18	Fienga	2011CeMDA.111..363F	Ephem
2.6400e+18	5.6700e+18	5.6700e+18	Zielenbach	2011AJ....142..120Z	Deflec
3.0600e+18			Folkner	2014IPNPR.196C...1F	Ephem
3.1303e+18	1.4401e+18	1.4401e+18	Fienga	INPOP19a	Ephem
7.1400e+18	3.9300e+18	3.9300e+18	Zielenbach	2011AJ....142..120Z	Deflec
7.4400e+18	3.8900e+18	3.8900e+18	Zielenbach	2011AJ....142..120Z	Deflec

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
188.61	37.720	37.720	Ali-Lagoa	2018A&A...612A..85A	NEATM
193.63	2.520	2.520	Usui	2011PASJ...63.1117U	NEATM
204.26	40.850	40.850	Ali-Lagoa	2018A&A...612A..85A	NEATM
215.67	54.800	54.800	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.040	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.046	0.0180	0.0180	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.054	0.0220	0.0220	Ali-Lagoa	2018A&A...612A..85A	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
7.52			MPC-2023-12-04	MPC-2023-12-04	Phot