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78861 (2003 QN77)
Classification: Main-belt Asteroid          SPK-ID: 2078861
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2519940711962542 4.8575e-08  
a 2.418549760219352 6.4454e-09 au
q 1.809089559750954 1.181e-07 au
i 12.49392204223945 4.9557e-06 deg
node 188.3632336033889 1.5694e-05 deg
peri 177.4557183776416 1.7289e-05 deg
M 155.0672626569702 6.8142e-06 deg
tp 2458408.735937216332
(2018-Oct-17.23593722)
2.5221e-05 TDB
period 1373.823584371788
3.76
5.4918e-06
1.504e-08
d
yr
n .2620423787269732 1.0475e-09 deg/d
Q 3.028009960687751 8.0696e-09 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      7580 days (20.75 yr)  
   first obs. used      1999-07-12  
   last obs. used      2020-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:14  

Additional Information
 Earth MOID = .807855 au 
 Jupiter MOID = 2.43637 au 
 T_jup = 3.440 
[ 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 15.7   n/a MPO468743  

78861 (2003 QN77)          Discovered 2003-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 QN77 = 1999 NA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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