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JPL Small-Body Database Browser
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295378 (2008 HQ65)
Classification: Main-belt Asteroid          SPK-ID: 2295378
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244408206918754 5.3794e-08  
a 2.720107213960711 2.1924e-08 au
q 2.109604118489478 1.4343e-07 au
i 3.885186537057208 6.2636e-06 deg
node 75.83292042492425 8.4828e-05 deg
peri 130.9767996330978 8.5863e-05 deg
M 172.8189645762754 1.3512e-05 deg
tp 2457813.877511344069
(2017-Mar-01.37751134)
5.7552e-05 TDB
period 1638.617015270619
4.49
1.9811e-05
5.424e-08
d
yr
n .2196974623387184 2.6562e-09 deg/d
Q 3.330610309431943 2.6845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      7507 days (20.55 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61252  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:55:03  

Additional Information
 Earth MOID = 1.10778 au 
 Jupiter MOID = 1.63537 au 
 T_jup = 3.319 
[ 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 16.6   n/a MPO418563  

295378 (2008 HQ65)          Discovered 2008-Apr-29 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 HQ65 = 1999 JY32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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