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JPL Small-Body Database Browser
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312440 (2008 HF48)
Classification: Main-belt Asteroid          SPK-ID: 2312440
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07961572323335839 7.2101e-08  
a 3.065305738476796 3.874e-08 au
q 2.821259205176602 2.2058e-07 au
i 2.222190854408875 9.7674e-06 deg
node 54.10078501575804 0.00013805 deg
peri 31.66486811421255 0.00014811 deg
M 126.2754057423102 5.2532e-05 deg
tp 2457912.916579535725
(2017-Jun-08.41657954)		 0.00028382 TDB
period 1960.239445773571
5.37		 3.7161e-05
1.017e-07		 d
yr
n .1836510334368529 3.4815e-09 deg/d
Q 3.309352271776989 4.1824e-08 au
   Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6755 days (18.49 yr)  
   first obs. used      2000-11-28  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:54  

Additional Information
 Earth MOID = 1.83773 au 
 Jupiter MOID = 1.85365 au 
 T_jup = 3.227 
[ 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 16.8   n/a MPO437379  

312440 (2008 HF48)          Discovered 2008-Apr-29 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 HF48 = 2005 TJ31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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