1997 NP
1997NP, 1998 XD29, 1998XD29, 43992, J97N00P, J98X29D
All data for this body: [vot]
MPC data
| Name (number) |
1997 NP (43992) |
| a |
2.90975 |
| e |
0.10382 |
| i / sin(i) |
4.7350 /
0.08255
|
| q |
2.60766
|
| Q |
3.21184
|
| ω |
115.6663 |
| Node |
295.0413 |
| m |
128.7754 |
| n |
0.1986 |
| Epoch |
2460800.5 |
| nobs |
2228 |
| nopp |
23 |
| Years observed |
1997-2025 |
| rms |
0.74 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.911 |
|
| ep |
0.082 |
|
| sin(ip) |
0.103 |
|
| G |
0.150 |
|
| H |
13.870 |
|
| Mass |
|
|
| D |
4.91 |
1.190 |
| pV |
0.292 |
0.1322 |
|
Value |
| Rotational Period |
119.800 |
| Period quality |
2 |
| Spectral Class |
L |
| Spectral Class Score |
2.394 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.9110 |
0.0821 |
0.1032 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.91 |
1.190 |
1.190 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.292 |
0.1322 |
0.1322 |
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 |
| 13.87 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Periods
| Value |
Quality |
Side real or Synodic |
Author |
Reference |
Method |
| 119.84 |
2 |
Sidereal |
Durech |
2023A&A...675A..24D |
Model |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
L |
0.3990 |
0.3990 |
Bus-Demeo |
VIS |
Sergeyev |
2021A&A...652A..59S |
PHOT |