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213042 (1998 HJ96)
Classification: Main-belt Asteroid          SPK-ID: 2213042
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648591781413427 4.0709e-08  
a 2.378104164379494 1.0787e-08 au
q 1.986051866305386 9.6027e-08 au
i 4.659936535023838 3.7191e-06 deg
node 86.40315154971061 5.0394e-05 deg
peri 128.1426681052343 5.2191e-05 deg
M 64.82079972868071 1.0692e-05 deg
tp 2458959.311486380585
(2020-Apr-19.81148638)
4.0305e-05 TDB
period 1339.506227421187
3.67
9.1143e-06
2.495e-08
d
yr
n .2687557494175081 1.8287e-09 deg/d
Q 2.770156462453601 1.2566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:06  

Additional Information
 Earth MOID = .982142 au 
 Jupiter MOID = 2.20177 au 
 T_jup = 3.517 
[ 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 16.98   n/a E2021B55  

213042 (1998 HJ96)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1998 HJ96 = 2005 EO71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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