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JPL Small-Body Database Browser
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80321 (1999 XJ85)
Classification: Main-belt Asteroid          SPK-ID: 2080321
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647195990746379 4.4874e-08  
a 2.332392742856509 1.1659e-08 au
q 1.94820194536859 1.0661e-07 au
i 2.962210107012393 4.9695e-06 deg
node 284.2064898729995 9.7412e-05 deg
peri 96.38743565671589 9.8702e-05 deg
M 217.0062441680013 1.747e-05 deg
tp 2459117.291690070748
(2020-Sep-24.79169007)		 6.5103e-05 TDB
period 1301.070856856512
3.56		 9.7553e-06
2.671e-08		 d
yr
n .2766951531523716 2.0746e-09 deg/d
Q 2.716583540344428 1.3579e-08 au
   Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      1999-10-22  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52185  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:32  

Additional Information
 Earth MOID = .952734 au 
 Jupiter MOID = 2.7512 au 
 T_jup = 3.550 
[ 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 15.6   n/a MPO337862  

80321 (1999 XJ85)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XJ85 = 2001 HB62 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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