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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05665298334617361 7.5718e-08  
a 3.049626172057174 4.3972e-08 au
q 2.876855751319564 2.2515e-07 au
i 11.95688286699938 7.3207e-06 deg
node 54.62777986987621 3.4151e-05 deg
peri 290.2015017730543 6.8092e-05 deg
M 49.86016526349601 5.8938e-05 deg
tp 2458331.086379031980
(2018-Jul-31.58637903)
0.00031955 TDB
period 1945.21825260566
5.33
4.2072e-05
1.152e-07
d
yr
n .1850692072818937 4.0027e-09 deg/d
Q 3.222396592794784 4.6463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      8621 days (23.60 yr)  
   first obs. used      1995-03-28  
   last obs. used      2018-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61433  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:13:54  

Additional Information
 Earth MOID = 1.89811 au 
 Jupiter MOID = 2.03165 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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