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80272 (1999 XJ30)
Classification: Main-belt Asteroid          SPK-ID: 2080272
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587981305507893 3.2163e-08  
a 2.313644255624196 7.0535e-09 au
q 1.946241873071501 7.4798e-08 au
i 4.38572438124666 3.4022e-06 deg
node 149.0243585635179 5.2229e-05 deg
peri 228.439486075244 5.3601e-05 deg
M 337.8358715660715 1.1815e-05 deg
tp 2459079.639164066946
(2020-Aug-18.13916407)
4.2233e-05 TDB
period 1285.414815612072
3.52
5.8782e-06
1.609e-08
d
yr
n .2800652331275488 1.2807e-09 deg/d
Q 2.681046638176891 8.1735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      21962 days (60.13 yr)  
   first obs. used      1960-09-29  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:08:38  

Additional Information
 Earth MOID = .950781 au 
 Jupiter MOID = 2.78378 au 
 T_jup = 3.562 
[ 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 16.1   n/a MPO436341  

80272 (1999 XJ30)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

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