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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05799466357179208 1.5115e-07  
a 2.589761975870374 2.6732e-08 au
q 2.439569601348753 3.8243e-07 au
i 2.220549954645569 7.8219e-06 deg
node 344.6678702991518 0.00013486 deg
peri 39.30375630635521 0.00015691 deg
M 134.6353485033836 7.0321e-05 deg
tp 2458431.195259600483
(2018-Nov-08.69525960)
0.00029908 TDB
period 1522.257778674487
4.17
2.357e-05
6.453e-08
d
yr
n .2364908263523355 3.6617e-09 deg/d
Q 2.739954350391996 2.8283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1999-01-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:19  

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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