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JPL Small-Body Database Browser
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80310 (1999 XH74)
Classification: Main-belt Asteroid          SPK-ID: 2080310
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .145257067644744 4.3799e-08  
a 2.29010302442954 1.0592e-08 au
q 1.957449374496545 1.0079e-07 au
i 2.677868891397045 4.5656e-06 deg
node 118.4461817066053 0.00011482 deg
peri 12.63704508450543 0.00011626 deg
M 173.0595739991325 1.9161e-05 deg
tp 2457991.981078494780
(2017-Aug-26.48107849)
6.5553e-05 TDB
period 1265.846244039508
3.47
8.7819e-06
2.404e-08
d
yr
n .2843947293718589 1.973e-09 deg/d
Q 2.622756674362534 1.213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7769 days (21.27 yr)  
   first obs. used      1998-07-25  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 09:30:07  

Additional Information
 Earth MOID = .972606 au 
 Jupiter MOID = 2.41722 au 
 T_jup = 3.583 
[ 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 16.0   n/a MPO236731  

80310 (1999 XH74)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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