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32517 (2001 OA54)
Classification: Main-belt Asteroid          SPK-ID: 2032517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538263721759467 3.4099e-08  
a 2.713723977637745 1.2415e-08 au
q 2.296281663070851 9.629e-08 au
i 13.878733589502 4.2188e-06 deg
node 62.32999142269874 1.6858e-05 deg
peri 21.2866735336972 2.3353e-05 deg
M 345.9877718562227 1.5877e-05 deg
tp 2459064.055279623750
(2020-Aug-02.55527962)
7.2199e-05 TDB
period 1632.852422168899
4.47
1.1205e-05
3.068e-08
d
yr
n .2204730783458165 1.513e-09 deg/d
Q 3.131166292204639 1.4325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1668  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:47:08  

Additional Information
 Earth MOID = 1.31686 au 
 Jupiter MOID = 2.17493 au 
 T_jup = 3.303 
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Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514061856841178 3.3914e-08  
q 2.304113069046302 9.5574e-08 au
tp 2457428.813472009464
(2016-Feb-10.31347201)
7.0074e-05 TDB
node 62.38868140572202 1.6888e-05 deg
peri 20.9194791690359 2.3626e-05 deg
i 13.86279599738725 4.2155e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1668  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:47:08  

Additional Information
 Jupiter MOID = 2.17493 au 
 T_jup = 3.303 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.150139962958241E-15 -3.223100629158173E-15 -6.080983250193015E-13 7.537466796899766E-15 -1.137996130013166E-13 -1.14658381995469E-15
q -3.223100629158173E-15 9.134353077536403E-15 1.853792307926931E-12 -2.048845650493136E-14 3.478074548907705E-13 3.614821528443482E-15
tp -6.080983250193015E-13 1.853792307926931E-12 4.910347482400048E-9 -1.422217567621511E-11 1.174547449000201E-9 5.704572258399874E-12
node 7.537466796899766E-15 -2.048845650493136E-14 -1.422217567621511E-11 2.852113942806385E-10 -2.796858350886102E-10 -2.413332206194784E-11
peri -1.137996130013166E-13 3.478074548907705E-13 1.174547449000201E-9 -2.796858350886102E-10 5.581709976910097E-10 2.465128166027303E-11
i -1.14658381995469E-15 3.614821528443482E-15 5.704572258399874E-12 -2.413332206194784E-11 2.465128166027303E-11 1.777038483037809E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO412419  
diameter diameter 6.177 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.202   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32517 (2001 OA54)          Discovered 2001-Jul-21 by JPL/GEODSS NEAT at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 OA54 = 1999 GR38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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