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78848 (2003 QH61)
Classification: Main-belt Asteroid          SPK-ID: 2078848
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2685127720975691 3.4671e-08  
a 2.688298827268903 1.4672e-08 au
q 1.966456256932286 9.0257e-08 au
i 13.52180314179032 4.6631e-06 deg
node 154.657466019625 1.7521e-05 deg
peri 297.4049546393887 1.9926e-05 deg
M 225.9695383599893 1.0812e-05 deg
tp 2459599.898640266987
(2022-Jan-20.39864027)
5.1065e-05 TDB
period 1609.958720247365
4.41
1.318e-05
3.608e-08
d
yr
n .2236082176968407 1.8306e-09 deg/d
Q 3.41014139760552 1.8611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      9532 days (26.10 yr)  
   first obs. used      1994-09-05  
   last obs. used      2020-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:18  

Additional Information
 Earth MOID = 1.02263 au 
 Jupiter MOID = 1.933 au 
 T_jup = 3.282 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO436332  

78848 (2003 QH61)          Discovered 2003-Aug-23 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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