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JPL Small-Body Database Browser
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295368 (2008 HW51)
Classification: Main-belt Asteroid          SPK-ID: 2295368
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903045170855276 2.2229e-07  
a 2.985435826875383 4.9326e-08 au
q 2.41729390355203 6.9586e-07 au
i 8.605267392905482 8.2427e-06 deg
node 219.9516941838907 6.199e-05 deg
peri 105.8233168058453 0.00010679 deg
M 335.3660910984118 5.7847e-05 deg
tp 2458729.426106548666
(2019-Sep-02.92610655)
0.00030032 TDB
period 1884.126410588753
5.16
4.6695e-05
1.278e-07
d
yr
n .1910699823413159 4.7353e-09 deg/d
Q 3.553577750198735 5.8713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:00  

Additional Information
 Earth MOID = 1.42282 au 
 Jupiter MOID = 1.91198 au 
 T_jup = 3.213 
[ 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 MPO446423  

295368 (2008 HW51)          Discovered 2008-Apr-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 HW51 = 1999 TG301 = 2004 TZ146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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