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JPL Small-Body Database Browser
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80284 (1999 XH39)
Classification: Main-belt Asteroid          SPK-ID: 2080284
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470058403478263 4.3994e-08  
a 2.350929843722402 9.559e-09 au
q 2.005329426447206 1.0148e-07 au
i 5.977705114209109 3.8808e-06 deg
node 133.6400917741319 4.4264e-05 deg
peri 258.8833910430567 4.6266e-05 deg
M 166.1556601072656 1.307e-05 deg
tp 2457992.826118972784
(2017-Aug-27.32611897)
4.7014e-05 TDB
period 1316.612368357301
3.60
8.0301e-06
2.199e-08
d
yr
n .2734289975182002 1.6677e-09 deg/d
Q 2.696530260997597 1.0964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      8652 days (23.69 yr)  
   first obs. used      1995-08-29  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54921  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:28  

Additional Information
 Earth MOID = 1.02049 au 
 Jupiter MOID = 2.7431 au 
 T_jup = 3.536 
[ 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 16.1   n/a MPO436341  

80284 (1999 XH39)          Discovered 1999-Dec-06 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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