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90717 (1991 PF3)
Classification: Main-belt Asteroid          SPK-ID: 2090717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0940853312427409 3.657e-08  
a 2.56391570521694 1.2947e-08 au
q 2.322688846813139 9.7302e-08 au
i 9.772376365946002 3.3044e-06 deg
node 123.5879582849624 2.4003e-05 deg
peri 205.8286707886487 3.2397e-05 deg
M 86.8490780469391 2.0777e-05 deg
tp 2459034.743159025109
(2020-Jul-04.24315902)
8.7489e-05 TDB
period 1499.526139823548
4.11
1.1359e-05
3.11e-08
d
yr
n .2400758415871043 1.8185e-09 deg/d
Q 2.805142563620742 1.4166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      11207 days (30.68 yr)  
   first obs. used      1990-05-13  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:35  

Additional Information
 Earth MOID = 1.31381 au 
 Jupiter MOID = 2.48408 au 
 T_jup = 3.407 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.88   n/a E2021B10  
diameter diameter 3.187 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90717 (1991 PF3)          Discovered 1991-Aug-02 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1991 PF3 = 2000 WU102 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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