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295332 (2008 HL4)
Classification: Main-belt Asteroid          SPK-ID: 2295332
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2445683462710387 6.0764e-08  
a 2.365443898743431 1.3044e-08 au
q 1.786931196230832 1.4263e-07 au
i 1.790853508157171 6.103e-06 deg
node 211.8803226086227 0.00022328 deg
peri 40.7387859777682 0.00022465 deg
M 98.87600306417747 1.5549e-05 deg
tp 2458635.531143444103
(2019-Jun-01.03114344)
5.8214e-05 TDB
period 1328.823822650299
3.64
1.0991e-05
3.009e-08
d
yr
n .2709162748768236 2.2409e-09 deg/d
Q 2.94395660125603 1.6234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1997-04-01  
   last obs. used      2019-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:42:55  

Additional Information
 Earth MOID = .772997 au 
 Jupiter MOID = 2.10587 au 
 T_jup = 3.507 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO476295  

295332 (2008 HL4)          Discovered 2008-Apr-29 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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