Alexandrinus
08969, 1218 T-2, 1218T-2, 1981 YJ1, 1981YJ1, 1990 ET5, 1990ET5, J81Y01J, J90E05T, T2S1218
All data for this body: [vot]
MPC data
Name (number) |
Alexandrinus (8969) |
a |
2.40715 |
e |
0.07720 |
i / sin(i) |
0.9664 /
0.01687
|
q |
2.22131
|
Q |
2.59299
|
ω |
282.3890 |
Node |
154.3478 |
m |
71.0573 |
n |
0.2639 |
Epoch |
2460200.5 |
nobs |
2742 |
nopp |
25 |
Years observed |
1955-2023 |
rms |
0.60 |
Best values
|
Value |
Standard error |
Parent |
|
|
|
|
|
ap |
2.407 |
|
ep |
0.085 |
|
sin(ip) |
0.019 |
|
|
Value |
Standard error |
G |
0.150 |
|
H |
14.350 |
|
Mass |
|
|
D |
4.24 |
0.080 |
pV |
0.247 |
0.0327 |
Rotational Period |
4.690 |
Proper elements data
ap |
ep |
sin(ip) |
Author |
Reference |
Method |
2.4071 |
0.0850 |
0.0188 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
4.24 |
0.080 |
0.080 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
0.247 |
0.0327 |
0.0327 |
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 |
14.35 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |