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100848 (1998 HE29)
Classification: Main-belt Asteroid          SPK-ID: 2100848
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08466003412696115 6.3057e-08  
a 2.356328569701109 1.1645e-08 au
q 2.15684171257588 1.4794e-07 au
i 7.585070852980722 7.1483e-06 deg
node 6.387916231744065 2.8138e-05 deg
peri 195.0863661833106 3.8225e-05 deg
M 41.25419191713819 2.4679e-05 deg
tp 2458849.102820590169
(2019-Dec-31.60282059)
9.0686e-05 TDB
period 1321.150216613431
3.62
9.7937e-06
2.681e-08
d
yr
n .2724898315672274 2.02e-09 deg/d
Q 2.555815426826339 1.2631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1998-03-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59992  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:13:27  

Additional Information
 Earth MOID = 1.15532 au 
 Jupiter MOID = 2.4052 au 
 T_jup = 3.538 
[ 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 15.7   n/a MPO426633  

100848 (1998 HE29)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HE29 = 1999 RN79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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