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JPL Small-Body Database Browser
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65736 (1993 QH7)
Classification: Main-belt Asteroid          SPK-ID: 2065736
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328729246375318 4.7156e-08  
a 2.234366749248367 1.0907e-08 au
q 1.937479904562881 1.105e-07 au
i 2.605858717388655 4.6523e-06 deg
node 145.1977231365007 8.1824e-05 deg
peri 174.8941387023617 8.3162e-05 deg
M 20.25670012741398 1.6817e-05 deg
tp 2458931.856990680840
(2020-Mar-23.35699068)
5.6748e-05 TDB
period 1219.916531293998
3.34
8.9321e-06
2.445e-08
d
yr
n .2951021572091808 2.1607e-09 deg/d
Q 2.531253593933851 1.2356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      9453 days (25.88 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:45:02  

Additional Information
 Earth MOID = .924549 au 
 Jupiter MOID = 2.73583 au 
 T_jup = 3.626 
[ 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 16.0   n/a MPO474535  
diameter diameter 1.762 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.16 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.248   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

65736 (1993 QH7)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 QH7 = 2000 VB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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