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295380 (2008 HT65)
Classification: Main-belt Asteroid          SPK-ID: 2295380
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994793977090475 4.7726e-08  
a 3.149255173923294 3.4108e-08 au
q 2.521043648596974 1.6047e-07 au
i 11.45310229609754 6.2736e-06 deg
node 67.33374501101974 2.714e-05 deg
peri 210.7589782630998 3.1506e-05 deg
M 26.7224360760483 1.614e-05 deg
tp 2458848.975189253134
(2019-Dec-31.47518925)
9.0746e-05 TDB
period 2041.31583339307
5.59
3.3163e-05
9.08e-08
d
yr
n .1763568351897848 2.865e-09 deg/d
Q 3.777466699249614 4.0912e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      9325 days (25.53 yr)  
   first obs. used      1993-11-21  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:39:33  

Additional Information
 Earth MOID = 1.51254 au 
 Jupiter MOID = 1.38306 au 
 T_jup = 3.147 
[ 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 15.5   n/a MPO437320  

295380 (2008 HT65)          Discovered 2008-Apr-29 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 HT65 = 2005 XQ88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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