2001 AJ4
2001AJ4, 1998 HT104, 1998HT104, 72215, J98HA4T, K01A04J
All data for this body: [vot]
MPC data
| Name (number) |
2001 AJ4 (72215) |
| a |
2.35761 |
| e |
0.11213 |
| i / sin(i) |
7.2911 /
0.12691
|
| q |
2.09325
|
| Q |
2.62197
|
| ω |
300.7263 |
| Node |
133.6667 |
| m |
288.3242 |
| n |
0.2723 |
| Epoch |
2460800.5 |
| nobs |
1774 |
| nopp |
18 |
| Years observed |
1998-2025 |
| rms |
0.69 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.358 |
|
| ep |
0.122 |
|
| sin(ip) |
0.120 |
|
| G |
0.150 |
|
| H |
15.870 |
|
| Mass |
|
|
| D |
2.30 |
0.433 |
| pV |
0.211 |
0.0666 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
S |
| Spectral Class Score |
4.902 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3578 |
0.1220 |
0.1199 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.30 |
0.433 |
0.433 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.211 |
0.0666 |
0.0666 |
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 |
| 15.87 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| S |
|
0.817 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |