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295360 (2008 HF39)
Classification: Main-belt Asteroid          SPK-ID: 2295360
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05799466153641042 1.5047e-07  
a 2.589761976173671 2.6425e-08 au
q 2.439569606905613 3.8025e-07 au
i 2.220549576599872 7.7613e-06 deg
node 344.6678583806984 0.00013033 deg
peri 39.30376832761325 0.00015296 deg
M 134.6353483915958 7.0319e-05 deg
tp 2458431.195259973167
(2018-Nov-08.69525997)
0.00029907 TDB
period 1522.257778941902
4.17
2.3299e-05
6.379e-08
d
yr
n .236490826310791 3.6196e-09 deg/d
Q 2.739954345441728 2.7957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:41  

Additional Information
 Earth MOID = 1.44293 au 
 Jupiter MOID = 2.51082 au 
 T_jup = 3.417 
[ 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 16.9   n/a MPO460240  

295360 (2008 HF39)          Discovered 2008-Apr-26 by Mt. Lemmon Survey at Mount Lemmon
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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