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78339 (2002 PU88)
Classification: Main-belt Asteroid          SPK-ID: 2078339
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282640974242357 3.7073e-08  
a 2.570337061705926 1.4879e-08 au
q 2.240655098410153 9.7855e-08 au
i 7.432559697250701 4.6417e-06 deg
node 14.63389260218993 3.2794e-05 deg
peri 99.12785951947178 3.8514e-05 deg
M 349.8180856678421 2.0747e-05 deg
tp 2459043.070669700447
(2020-Jul-12.57066970)		 8.681e-05 TDB
period 1505.163036361251
4.12		 1.307e-05
3.578e-08		 d
yr
n .2391767478361043 2.0768e-09 deg/d
Q 2.900019025001699 1.6788e-08 au
   Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1994-09-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:14  

Additional Information
 Earth MOID = 1.27129 au 
 Jupiter MOID = 2.21079 au 
 T_jup = 3.407 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457453.5 (2016-Mar-06.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .126880920436238 3.7019e-08  
q 2.243915467512396 9.7565e-08 au
tp 2457539.517154287970
(2016-May-31.01715429)		 8.6503e-05 TDB
node 14.66065911290553 3.2763e-05 deg
peri 99.49578130603955 3.8602e-05 deg
i 7.436580488926985 4.6421e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1994-09-10  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:14  

Additional Information
 Jupiter MOID = 2.21079 au 
 T_jup = 3.407 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.370379730373093E-15 -3.580089911452064E-15 -8.435495980620094E-13 1.898645907334517E-14 -1.867073097873054E-13 9.770164761593639E-16
q -3.580089911452064E-15 9.519018569316279E-15 2.18421861030996E-12 -5.175782473809861E-14 4.831525579580544E-13 -2.36651207154485E-15
tp -8.435495980620094E-13 2.18421861030996E-12 7.482839989814009E-9 -3.415008162961495E-11 1.785539886457603E-9 6.870473509031775E-12
node 1.898645907334517E-14 -5.175782473809861E-14 -3.415008162961495E-11 1.0734248650959E-9 -1.071547407373483E-9 3.112230215633888E-11
peri -1.867073097873054E-13 4.831525579580544E-13 1.785539886457603E-9 -1.071547407373483E-9 1.490151200315593E-9 -2.923631316854084E-11
i 9.770164761593639E-16 -2.36651207154485E-15 6.870473509031775E-12 3.112230215633888E-11 -2.923631316854084E-11 2.154939162015976E-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 15.6   n/a MPO453204  
diameter diameter 3.572 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.096   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78339 (2002 PU88)          Discovered 2002-Aug-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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