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295331 (2008 HL3)
Classification: Main-belt Asteroid          SPK-ID: 2295331
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052540846524625 5.1854e-08  
a 3.021979155727932 3.4759e-08 au
q 2.401705590280174 1.534e-07 au
i 6.162560735534934 6.5587e-06 deg
node 30.02697702105907 6.0519e-05 deg
peri 206.5690141956158 6.3481e-05 deg
M 96.25391598296545 2.0373e-05 deg
tp 2458487.459641844532
(2019-Jan-03.95964184)
0.00010439 TDB
period 1918.826128265316
5.25
3.3106e-05
9.064e-08
d
yr
n .1876147060418925 3.237e-09 deg/d
Q 3.64225272117569 4.1894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6841 days (18.73 yr)  
   first obs. used      2002-02-12  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:05:19  

Additional Information
 Earth MOID = 1.39222 au 
 Jupiter MOID = 1.38078 au 
 T_jup = 3.205 
[ 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 MPO437320  

295331 (2008 HL3)          Discovered 2008-Apr-28 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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