1991 RA11

1991RA11, 1980 XN1, 1980XN1, 1999 CZ123, 1999CZ123, 46564, J80X01N, J91R11A, J99CC3Z

All data for this body: [vot]

MPC data
Name (number) 1991 RA11 (46564)
a 3.18442
e 0.13228
i / sin(i) 17.1711 / 0.29523
q 2.76318
Q 3.60565
ω 102.6727
Node 19.8343
m 128.7434
n 0.1734
Epoch 2460200.5
nobs 3103
nopp 22
Years observed 1971-2023
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.189
ep 0.124
sin(ip) 0.296
Value Standard error
G 0.150
H 12.270
Mass
D 21.12 0.077
pV 0.041 0.0027
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1893 0.1238 0.2957 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.00 5.720 5.720 Nugent 2016AJ....152...63N NEATM
20.43 0.103 0.103 Masiero 2011ApJ...741...68M NEATM
21.54 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
21.83 5.888 5.888 Masiero 2017AJ....154..168M NEATM
24.91 1.700 1.700 Usui 2011PASJ...63.1117U NEATM
25.48 5.100 5.100 Ali-Lagoa 2018A&A...612A..85A NEATM
27.64 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0030 0.0030 Masiero 2012ApJ...759L...8M NEATM
0.040 0.0160 0.0160 Ali-Lagoa 2018A&A...612A..85A NEATM
0.046 0.0239 0.0239 Masiero 2017AJ....154..168M NEATM
0.050 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.060 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.067 0.0108 0.0108 Masiero 2011ApJ...741...68M 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
12.27 MPC-2023-12-04 MPC-2023-12-04 Phot