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101795 (1999 HX2)
Classification: Mars-crossing Asteroid          SPK-ID: 2101795
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5487448716151075 3.873e-08  
a 3.144485424472347 3.6223e-08 au
q 1.418965173924692 1.2935e-07 au
i 19.45485441209147 4.6947e-06 deg
node 135.5723548242737 1.5229e-05 deg
peri 156.5288969478835 1.5241e-05 deg
M 234.1251339504434 8.3385e-06 deg
tp 2459712.630073404685
(2022-May-13.13007340)
5.4926e-05 TDB
period 2036.680033683259
5.58
3.5192e-05
9.635e-08
d
yr
n .1767582507051702 3.0542e-09 deg/d
Q 4.870005675020002 5.61e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-04-22  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:28  

Additional Information
 Earth MOID = .421808 au 
 Jupiter MOID = .662978 au 
 T_jup = 2.880 
[ 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 15.0   n/a MPO432544  

101795 (1999 HX2)          Discovered 1999-Apr-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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