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JPL Small-Body Database Browser
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39345 (2002 AU63)
Classification: Main-belt Asteroid          SPK-ID: 2039345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724168548447554 5.7038e-08  
a 2.533823213891829 1.3643e-08 au
q 2.09694938461997 1.4533e-07 au
i 14.61770140016444 3.96e-06 deg
node 138.3934515870762 2.0133e-05 deg
peri 157.2447755413932 2.3744e-05 deg
M 56.75253571998773 1.261e-05 deg
tp 2458768.255379706524
(2019-Oct-11.75537971)
5.1772e-05 TDB
period 1473.204011855375
4.03
1.1898e-05
3.257e-08
d
yr
n .2443653405115363 1.9736e-09 deg/d
Q 2.970697043163688 1.5995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      9324 days (25.53 yr)  
   first obs. used      1994-02-12  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:01  

Additional Information
 Earth MOID = 1.08845 au 
 Jupiter MOID = 2.31075 au 
 T_jup = 3.384 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457193.5 (2015-Jun-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722215960617587 5.6821e-08  
q 2.097856126830634 1.4478e-07 au
tp 2457296.074292700498
(2015-Sep-30.57429270)
5.4948e-05 TDB
node 138.4380872739033 2.0142e-05 deg
peri 157.571942861491 2.3807e-05 deg
i 14.61343641565665 3.9575e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      9324 days (25.53 yr)  
   first obs. used      1994-02-12  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53286  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:01  

Additional Information
 Jupiter MOID = 2.31075 au 
 T_jup = 3.384 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.228668280677781E-15 -8.201409404283631E-15 -1.750713295342261E-12 -2.989227714484495E-14 -2.910140867167122E-13 -2.523510909316352E-14
q -8.201409404283631E-15 2.096204719978109E-14 4.230165451766269E-12 7.649156920799344E-14 6.81303736900616E-13 6.408786156099973E-14
tp -1.750713295342261E-12 4.230165451766269E-12 3.019253944305173E-9 2.658645114376974E-11 7.224283977014331E-10 1.97861694770484E-11
node -2.989227714484495E-14 7.649156920799344E-14 2.658645114376974E-11 4.057027461597137E-10 -3.866769909422806E-10 -4.22662788094539E-11
peri -2.910140867167122E-13 6.81303736900616E-13 7.224283977014331E-10 -3.866769909422806E-10 5.667613549135456E-10 4.514313481161467E-11
i -2.523510909316352E-14 6.408786156099973E-14 1.97861694770484E-11 -4.22662788094539E-11 4.514313481161467E-11 1.566168610026986E-11

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 14.9   n/a MPO493124  
diameter diameter 3.388 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39345 (2002 AU63)          Discovered 2002-Jan-11 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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