1991 NP2
1991NP2, 09181, 1977 PB2, 1977PB2, 1991 PD3, 1991PD3, J77P02B, J91N02P, J91P03D
All data for this body: [vot]
MPC data
Name (number) |
1991 NP2 (9181) |
a |
2.31766 |
e |
0.14906 |
i / sin(i) |
6.8502 /
0.11927
|
q |
1.97219
|
Q |
2.66313
|
ω |
350.8970 |
Node |
317.3933 |
m |
39.1470 |
n |
0.2793 |
Epoch |
2460200.5 |
nobs |
2888 |
nopp |
23 |
Years observed |
1977-2023 |
rms |
0.51 |
Best values
|
Value |
Standard error |
Parent |
|
|
|
|
|
ap |
2.317 |
|
ep |
0.116 |
|
sin(ip) |
0.125 |
|
|
Value |
Standard error |
G |
0.150 |
|
H |
13.920 |
|
Mass |
|
|
D |
3.87 |
0.162 |
pV |
0.356 |
0.1024 |
Proper elements data
ap |
ep |
sin(ip) |
Author |
Reference |
Method |
2.3173 |
0.1159 |
0.1253 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
3.87 |
0.162 |
0.162 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
0.356 |
0.1024 |
0.1024 |
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 |
13.92 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |