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278402 (2007 QA13)
Classification: Main-belt Asteroid          SPK-ID: 2278402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404339504808113 5.4221e-08  
a 2.750771843744276 2.5104e-08 au
q 2.364470086855882 1.5201e-07 au
i 15.54086541663065 6.0215e-06 deg
node 155.7903288879351 2.6938e-05 deg
peri 141.5290780831386 4.3625e-05 deg
M 302.1278531481664 3.8387e-05 deg
tp 2459268.384370071625
(2021-Feb-22.88437007)
0.00017955 TDB
period 1666.403934740663
4.56
2.2812e-05
6.246e-08
d
yr
n .2160340554260787 2.9573e-09 deg/d
Q 3.137073600632669 2.8629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      13117 days (35.91 yr)  
   first obs. used      1984-05-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:32:31  

Additional Information
 Earth MOID = 1.36868 au 
 Jupiter MOID = 2.23792 au 
 T_jup = 3.279 
[ 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 15.9   n/a MPO470944  

278402 (2007 QA13)          Discovered 2007-Aug-18 by Lowe, A. at Mayhill
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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