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78317 (2002 PU73)
Classification: Main-belt Asteroid          SPK-ID: 2078317
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151277668445225 4.6315e-08  
a 3.099666266954184 2.2139e-08 au
q 2.63075598113104 1.5116e-07 au
i 10.74399504132683 5.5766e-06 deg
node 228.9469047255807 2.186e-05 deg
peri 202.6012308031715 2.7832e-05 deg
M .7996673146605209 1.6193e-05 deg
tp 2458996.072305206761
(2020-May-26.57230521)
8.9647e-05 TDB
period 1993.291580565263
5.46
2.1355e-05
5.847e-08
d
yr
n .1806057896948073 1.9349e-09 deg/d
Q 3.568576552777327 2.5488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      14261 days (39.04 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:23  

Additional Information
 Earth MOID = 1.64844 au 
 Jupiter MOID = 1.77596 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457525.5 (2016-May-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483870123464405 4.6212e-08  
q 2.64418155561236 1.508e-07 au
tp 2457003.612885533567
(2014-Dec-12.11288553)
8.8525e-05 TDB
node 228.9918347664818 2.1908e-05 deg
peri 202.9950238011091 2.8128e-05 deg
i 10.7223230267726 5.5695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      14261 days (39.04 yr)  
   first obs. used      1981-10-30  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:23  

Additional Information
 Jupiter MOID = 1.77596 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.13553209644948E-15 -6.919488369908169E-15 -9.491804225947167E-13 7.673232586813228E-15 -1.680423939220029E-13 -2.380699856392172E-15
q -6.919488369908169E-15 2.27413412048947E-14 2.980561406499478E-12 -2.601273673049212E-14 5.428188977719583E-13 7.350757442202313E-15
tp -9.491804225947167E-13 2.980561406499478E-12 7.836710915308529E-9 -8.252849800574804E-12 1.574082157570717E-9 3.676105732619795E-12
node 7.673232586813228E-15 -2.601273673049212E-14 -8.252849800574804E-12 4.799528301328648E-10 -4.730559949435266E-10 -1.648900352255196E-11
peri -1.680423939220029E-13 5.428188977719583E-13 1.574082157570717E-9 -4.730559949435266E-10 7.911934586514011E-10 1.694223552390201E-11
i -2.380699856392172E-15 7.350757442202313E-15 3.676105732619795E-12 -1.648900352255196E-11 1.694223552390201E-11 3.101910778020651E-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 14.8   n/a MPO502628  
diameter diameter 7.434 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78317 (2002 PU73)          Discovered 2002-Aug-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PU73 = 1981 US5 = 2000 GX152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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