Irwin
03959, 1954UN2, 1981TP4, 1981UX10, 1986CY1, J54U02N, J81T04P, J81U10X, J86C01Y
All data for this body: [vot]
MPC data
| Name (number) |
Irwin (3959) |
| Packed designation |
03959 |
| a |
2.25898 |
| e |
0.18792 |
| i / sin(i) |
3.2837 /
0.05728
|
| q |
1.83447
|
| Q |
2.68349
|
| ω |
198.2339 |
| Node |
210.8205 |
| m |
281.2729 |
| n |
0.2903 |
| Epoch |
2459600.5 |
| nobs |
2487 |
| nopp |
24 |
| Years observed |
1954-2021 |
| rms |
0.46 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.259 |
|
| ep |
0.181 |
|
| sin(ip) |
0.069 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.040 |
|
| Mass |
|
|
| D |
4.14 |
0.331 |
| pV |
0.259 |
0.0886 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.2589 |
0.1806 |
0.0692 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Jan-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 4.14 |
0.331 |
0.331 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.259 |
0.0886 |
0.0886 |
Masiero |
2011ApJ...741...68M |
NEATM |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.04 |
|
|
MPC-2022-01-18 |
MPC-2022-01-18 |
Phot |