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305542 (2008 HU48)
Classification: Main-belt Asteroid          SPK-ID: 2305542
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011256079256272 4.3504e-08  
a 3.162365467013578 3.2159e-08 au
q 2.526332789977463 1.3434e-07 au
i 17.22788421159542 6.4589e-06 deg
node 182.3024968871071 1.7053e-05 deg
peri 309.9685930821262 2.4352e-05 deg
M 121.2948142558838 1.5204e-05 deg
tp 2458308.420080993196
(2018-Jul-08.92008099)
8.7689e-05 TDB
period 2054.076032606345
5.62
3.1333e-05
8.579e-08
d
yr
n .1752612825841742 2.6735e-09 deg/d
Q 3.798398144049694 3.8627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6267 days (17.16 yr)  
   first obs. used      2002-03-13  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:45  

Additional Information
 Earth MOID = 1.57474 au 
 Jupiter MOID = 1.40565 au 
 T_jup = 3.104 
[ 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 16.1   n/a MPO437357  

305542 (2008 HU48)          Discovered 2008-Apr-29 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 HU48 = 2002 EV67 = 2005 SA197 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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