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JPL Small-Body Database Browser
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312978 (1999 JG29)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4094683397873867 1.2299e-07  
a 3.496106964170461 2.8342e-08 au
q 2.064561849832462 4.3713e-07 au
i 19.70353628265435 1.0836e-05 deg
node 221.5168400666628 2.0634e-05 deg
peri 327.3292320695609 2.6155e-05 deg
M 34.39628920847038 1.0002e-05 deg
tp 2458372.368852360537
(2018-Sep-10.86885236)
6.4519e-05 TDB
period 2387.676550003598
6.54
2.9034e-05
7.949e-08
d
yr
n .1507741909177177 1.8334e-09 deg/d
Q 4.927652078508459 3.9947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      7392 days (20.24 yr)  
   first obs. used      1999-04-14  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:36  

Additional Information
 Earth MOID = 1.0882 au 
 Jupiter MOID = .466333 au 
 T_jup = 2.896 
[ 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 14.9   n/a MPO434006  

312978 (1999 JG29)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

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