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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5487663080674519 3.8717e-08  
a 3.143969828149581 3.3181e-08 au
q 1.418665112880474 1.2903e-07 au
i 19.45663153277691 4.6712e-06 deg
node 135.5724832412933 1.411e-05 deg
peri 156.547681309311 1.3775e-05 deg
M 269.4413100406622 8.6029e-06 deg
tp 2459712.704761942021
(2022-May-13.20476194)
5.3965e-05 TDB
period 2036.179127391566
5.57
3.2234e-05
8.825e-08
d
yr
n .176801733775346 2.7989e-09 deg/d
Q 4.869274543418688 5.1389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1999-04-22  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:38  

Additional Information
 Earth MOID = .419573 au 
 Jupiter MOID = .663245 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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