1999 XA172
1999XA172, 1981 KR1, 1981KR1, 1992 WT8, 1992WT8, 1997 EZ41, 1997EZ41, 47427, J81K01R, J92W08T, J97E41Z, J99XH2A
All data for this body: [vot]
MPC data
| Name (number) |
1999 XA172 (47427) |
| a |
2.23772 |
| e |
0.11379 |
| i / sin(i) |
6.5914 /
0.11479
|
| q |
1.98308
|
| Q |
2.49235
|
| ω |
63.5324 |
| Node |
314.2213 |
| m |
277.5997 |
| n |
0.2944 |
| Epoch |
2460800.5 |
| nobs |
2608 |
| nopp |
22 |
| Years observed |
1981-2025 |
| rms |
0.70 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.237 |
|
| ep |
0.081 |
|
| sin(ip) |
0.117 |
|
| G |
0.150 |
|
| H |
14.800 |
|
| Mass |
|
|
| D |
2.59 |
0.273 |
| pV |
0.419 |
0.0793 |
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
B |
| Spectral Class Score |
0.690 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2374 |
0.0809 |
0.1167 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 2.59 |
0.273 |
0.273 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.419 |
0.0793 |
0.0793 |
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 |
| 14.80 |
|
|
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 |
| B |
|
0.115 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |