Johngenereid
19638, 1998 HK121, 1998HK121, 1999 RH57, 1999RH57, J98HC1K, J99R57H
All data for this body: [vot]
MPC data
| Name (number) |
Johngenereid (19638) |
| a |
2.75730 |
| e |
0.03730 |
| i / sin(i) |
5.7580 /
0.10033
|
| q |
2.65444
|
| Q |
2.86016
|
| ω |
152.9955 |
| Node |
136.2712 |
| m |
130.3893 |
| n |
0.2153 |
| Epoch |
2460200.5 |
| nobs |
2278 |
| nopp |
21 |
| Years observed |
1996-2023 |
| rms |
0.63 |
Best values
|
Value |
Standard error |
| Parent |
Hoffmeister (1726) |
|
| |
|
|
| ap |
2.756 |
|
| ep |
0.051 |
|
| sin(ip) |
0.089 |
|
|
Value |
Standard error |
| G |
0.150 |
|
| H |
14.780 |
|
| Mass |
|
|
| D |
5.75 |
0.171 |
| pV |
0.093 |
0.0145 |
| Rotational Period |
129.804 |
Family data
| Parent |
Parent name |
Family ID |
Family name |
Cj |
Author |
Reference |
Method |
| 1726 |
Hoffmeister |
519 |
Hoffmeister |
-2.1600 |
Nesvorny |
doi.org/10.26033/6cg5-pt13 |
HCM-2020-08-14 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.7563 |
0.0509 |
0.0892 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Oct-2022 |
Diameter data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 5.75 |
0.171 |
0.171 |
Masiero |
2011ApJ...741...68M |
NEATM |
Albedo data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.093 |
0.0145 |
0.0145 |
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 |
| 14.78 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Period data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 129.80 |
|
|
Pal |
2020ApJS..247...26P |
Lightcurve |