1999 AS21
1999AS21, 1991 VN6, 1991VN6, 35680, J91V06N, J99A21S
All data for this body: [vot]
MPC data
Name (number) |
1999 AS21 (35680) |
a |
2.19750 |
e |
0.05509 |
i / sin(i) |
6.5868 /
0.11471
|
q |
2.07644
|
Q |
2.31855
|
ω |
297.1783 |
Node |
135.2376 |
m |
258.8459 |
n |
0.3026 |
Epoch |
2460200.5 |
nobs |
2218 |
nopp |
18 |
Years observed |
1991-2023 |
rms |
0.67 |
Best values
|
Value |
Standard error |
Parent |
|
|
|
|
|
ap |
2.198 |
|
ep |
0.107 |
|
sin(ip) |
0.118 |
|
|
Value |
Standard error |
G |
0.150 |
|
H |
15.430 |
|
Mass |
|
|
D |
1.94 |
0.531 |
pV |
0.355 |
0.1901 |
Rotational Period |
|
Proper elements data
ap |
ep |
sin(ip) |
Author |
Reference |
Method |
2.1979 |
0.1072 |
0.1184 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
1.94 |
0.531 |
0.531 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
0.355 |
0.1901 |
0.1901 |
Masiero |
2011ApJ...741...68M |
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 |
15.43 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |