1991 NS1

1991NS1, 08669, 1987 MR, 1987MR, J87M00R, J91N01S

All data for this body: [vot]

MPC data
Name (number) 1991 NS1 (8669)
a 2.43052
e 0.17613
i / sin(i) 6.6282 / 0.11543
q 2.00243
Q 2.85862
ω 126.1873
Node 172.9599
m 177.8443
n 0.2601
Epoch 2460200.5
nobs 4600
nopp 23
Years observed 1991-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.432
ep 0.150
sin(ip) 0.117
Value Standard error
G 0.150
H 13.600
Mass
D 3.87 0.052
pV 0.326 0.0978
Rotational Period 20.339
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4324 0.1497 0.1167 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.87 0.052 0.052 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.326 0.0978 0.0978 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
13.60 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
20.34 Pal 2020ApJS..247...26P Lightcurve