1991 RW21

1991RW21, 1996 DQ7, 1996DQ7, 46566, J91R21W, J96D07Q

All data for this body: [vot]

MPC data
Name (number) 1991 RW21 (46566)
a 2.42437
e 0.25544
i / sin(i) 9.8578 / 0.17120
q 1.80510
Q 3.04364
ω 71.4066
Node 340.9419
m 132.7314
n 0.2611
Epoch 2460200.5
nobs 1809
nopp 17
Years observed 1991-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Chaldaea (313)
 
ap 2.424
ep 0.234
sin(ip) 0.188
Value Standard error
G 0.150
H 14.730
Mass
D 6.51 0.063
pV 0.069 0.0081
Rotational Period 2.074
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
313 Chaldaea 415 Chaldaea 0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4244 0.2341 0.1878 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.25 1.350 1.350 Nugent 2016AJ....152...63N NEATM
5.28 1.530 1.530 Masiero 2020PSJ.....1....5M NEATM
5.40 1.410 1.410 Masiero 2021PSJ.....2..162M NEATM
6.51 0.063 0.063 Masiero 2011ApJ...741...68M NEATM
7.31 1.870 1.870 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.073 0.0102 0.0102 Masiero 2011ApJ...741...68M NEATM
0.080 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.086 0.0780 0.0780 Masiero 2020PSJ.....1....5M NEATM
0.088 0.0330 0.0520 Masiero 2021PSJ.....2..162M 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
14.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.07 Waszczak 2015AJ....150...75W Lightcurve