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65691 (1991 PT10)
Classification: Main-belt Asteroid          SPK-ID: 2065691
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 .261402040759655 5.6303e-08  
a 2.54128802216119 1.222e-08 au
q 1.876990147010188 1.4557e-07 au
i 3.102596463472823 6.9054e-06 deg
node 281.77939608473 8.5375e-05 deg
peri 68.62273534366916 8.6616e-05 deg
M 32.64177279070717 1.8392e-05 deg
tp 2458866.331520565484
(2020-Jan-17.83152057)
7.4915e-05 TDB
period 1479.719036895466
4.05
1.0673e-05
2.922e-08
d
yr
n .2432894292928071 1.7549e-09 deg/d
Q 3.205585897312193 1.5415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      11749 days (32.17 yr)  
   first obs. used      1987-09-17  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:56:57  

Additional Information
 Earth MOID = .873731 au 
 Jupiter MOID = 2.24618 au 
 T_jup = 3.395 
[ 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 15.0   n/a MPO400628  
diameter diameter 5.189 km 0.301 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65691 (1991 PT10)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PT10 = 1987 SL20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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