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277838 (2006 HJ69)
Classification: Main-belt Asteroid          SPK-ID: 2277838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05691028464701341 7.5235e-08  
a 3.050136580272413 4.3854e-08 au
q 2.876552439276842 2.2311e-07 au
i 11.95489615834256 7.2579e-06 deg
node 54.6230652221299 3.3759e-05 deg
peri 290.3616815500416 6.7324e-05 deg
M 123.6931298685631 5.8136e-05 deg
tp 2458331.970716851313
(2018-Aug-01.47071685)
0.00031659 TDB
period 1945.706622423291
5.33
4.1963e-05
1.149e-07
d
yr
n .1850227551528996 3.9903e-09 deg/d
Q 3.223720721267984 4.635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1995-03-28  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 04:41:42  

Additional Information
 Earth MOID = 1.89864 au 
 Jupiter MOID = 2.03186 au 
 T_jup = 3.202 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO455061  

277838 (2006 HJ69)          Discovered 2006-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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