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100856 (1998 HX43)
Classification: Main-belt Asteroid          SPK-ID: 2100856
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324750507422123 4.5663e-08  
a 2.386360696909262 9.6716e-09 au
q 2.070227442496986 1.0979e-07 au
i 2.186270578543998 3.8071e-06 deg
node 67.45897650184338 0.00012315 deg
peri 134.0645541639942 0.00012428 deg
M .8908441026868149 1.5271e-05 deg
tp 2458997.168024749203
(2020-May-27.66802475)
5.7119e-05 TDB
period 1346.4882201824
3.69
8.1857e-06
2.241e-08
d
yr
n .2673621607705066 1.6254e-09 deg/d
Q 2.702493951321537 1.0953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1996-11-09  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:52  

Additional Information
 Earth MOID = 1.06779 au 
 Jupiter MOID = 2.25402 au 
 T_jup = 3.522 
[ 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 16.2   n/a MPO412742  

100856 (1998 HX43)          Discovered 1998-Apr-20 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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