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78338 (2002 PR88)
Classification: Main-belt Asteroid          SPK-ID: 2078338
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899507315886917 4.9886e-08  
a 2.570368370116314 1.1829e-08 au
q 2.082125017760287 1.3249e-07 au
i 4.438019562726148 4.3515e-06 deg
node 55.06753395512161 5.0249e-05 deg
peri 33.05814978698589 5.1157e-05 deg
M 24.93717771791432 8.5499e-06 deg
tp 2458896.235544646508
(2020-Feb-16.73554465)
3.5658e-05 TDB
period 1505.190537271295
4.12
1.0391e-05
2.845e-08
d
yr
n .2391723779054782 1.651e-09 deg/d
Q 3.058611722472341 1.4076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7872 days (21.55 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:14  

Additional Information
 Earth MOID = 1.10011 au 
 Jupiter MOID = 2.16531 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457173.5 (2015-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880521412011873 4.9943e-08  
q 2.087452295823086 1.3245e-07 au
tp 2457391.134496140851
(2016-Jan-03.63449614)
3.6695e-05 TDB
node 55.09799091268206 5.0295e-05 deg
peri 33.13451804119592 5.1228e-05 deg
i 4.436383123680267 4.346e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      745  
   data-arc span      7872 days (21.55 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:14  

Additional Information
 Jupiter MOID = 2.16531 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.494259233141632E-15 -6.600460982123499E-15 2.055246135977576E-13 2.641617279491963E-14 9.652660642387107E-14 -6.735428018828197E-16
q -6.600460982123499E-15 1.754329318401822E-14 -5.934103141935703E-13 -7.121712517400136E-14 -2.697442833789216E-13 1.816361600356634E-15
tp 2.055246135977576E-13 -5.934103141935703E-13 1.346513268838443E-9 4.143821191876261E-13 3.718402200551944E-10 6.222423802388049E-13
node 2.641617279491963E-14 -7.121712517400136E-14 4.143821191876261E-13 2.529558882553902E-9 -2.520610882277291E-9 6.771831560632446E-11
peri 9.652660642387107E-14 -2.697442833789216E-13 3.718402200551944E-10 -2.520610882277291E-9 2.624354259889001E-9 -6.738302118009871E-11
i -6.735428018828197E-16 1.816361600356634E-15 6.222423802388049E-13 6.771831560632446E-11 -6.738302118009871E-11 1.888771991436549E-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 15.5   n/a MPO453204  

78338 (2002 PR88)          Discovered 2002-Aug-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PR88 = 2000 EG174 = 2000 EL185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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