(2011 HH1) |
Classification: Apollo [NEO] SPK-ID: 3563861 |
[ hide orbit diagram ]
For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2455677.5 (2011-Apr-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .5998873018909633 | 0.0022997 | |
a | 1.898414411062175 | 0.0095355 | au |
q | .7595797121391649 | 0.0005506 | au |
i | 11.21203523430111 | 0.026349 | deg |
node | 71.81696904269113 | 0.02674 | deg |
peri | 223.3887634272233 | 0.032464 | deg |
M | 339.1246345237888 | 0.18052 | deg |
tp | 2455732.900865142708 (2011-Jun-20.40086514) | 0.061667 | TDB |
period | 955.3993904491251 2.62 | 7.1983 0.01971 | d yr |
n | .3768057668853724 | 0.002839 | deg/d |
Q | 3.037249109985185 | 0.015256 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
5.288848307983518E-6 |
-1.266246014124429E-6 |
-.0001418188441107904 |
6.147493153572777E-5 |
-7.464128538894131E-5 |
6.059565477297493E-5 |
q |
-1.266246014124429E-6 |
3.031636155670772E-7 |
3.395392038181761E-5 |
-1.471816750944369E-5 |
1.787022263424978E-5 |
-1.450771879349243E-5 |
tp |
-.0001418188441107904 |
3.395392038181761E-5 |
.003802833567300737 |
-.001648424978273291 |
.002001488876389723 |
-.001624854520512265 |
node |
6.147493153572777E-5 |
-1.471816750944369E-5 |
-.001648424978273291 |
.0007150419924107024 |
-.0008680705255566133 |
.0007042145222267374 |
peri |
-7.464128538894131E-5 |
1.787022263424978E-5 |
.002001488876389723 |
-.0008680705255566133 |
.001053907949039061 |
-.0008550653193491445 |
i |
6.059565477297493E-5 |
-1.450771879349243E-5 |
-.001624854520512265 |
.0007042145222267374 |
-.0008550653193491445 |
.000694289053724197 |
|
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
21.7 |
|
n/a |
MPO200330 |
|
|
[ show close-approach data ]
|