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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899533150673832 4.8269e-08  
a 2.570052927007871 1.1665e-08 au
q 2.081862853624095 1.2804e-07 au
i 4.43809155695465 4.3109e-06 deg
node 55.0620241541215 4.9905e-05 deg
peri 33.01792696237112 5.0804e-05 deg
M 72.81329683177943 8.5991e-06 deg
tp 2458896.117470168990
(2020-Feb-16.61747017)
3.563e-05 TDB
period 1504.913463708711
4.12
1.0246e-05
2.805e-08
d
yr
n .2392164125589091 1.6286e-09 deg/d
Q 3.058243000391648 1.3881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:40  

Additional Information
 Earth MOID = 1.09953 au 
 Jupiter MOID = 2.16597 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880333123483834 4.833e-08  
q 2.087444956658785 1.2797e-07 au
tp 2457391.148864271641
(2016-Jan-03.64886427)
3.6539e-05 TDB
node 55.09761742528743 4.9948e-05 deg
peri 33.13930274572613 5.0873e-05 deg
i 4.436430165086771 4.3056e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      8126 days (22.25 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:40  

Additional Information
 Jupiter MOID = 2.16597 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.335820082410124E-15 -6.170595382478715E-15 1.623965636761839E-13 2.483881514824198E-14 7.888267751236419E-14 -5.900729015985915E-16
q -6.170595382478715E-15 1.637703226540527E-14 -4.764645609329998E-13 -6.692359993828582E-14 -2.219128809712467E-13 1.592352975641181E-15
tp 1.623965636761839E-13 -4.764645609329998E-13 1.335073092157518E-9 -3.080926578693178E-13 3.674219522806812E-10 6.153583133004747E-13
node 2.483881514824198E-14 -6.692359993828582E-14 -3.080926578693178E-13 2.494789608699349E-9 -2.4862168911563E-9 6.423697639663489E-11
peri 7.888267751236419E-14 -2.219128809712467E-13 3.674219522806812E-10 -2.4862168911563E-9 2.588031436977141E-9 -6.391011734945571E-11
i -5.900729015985915E-16 1.592352975641181E-15 6.153583133004747E-13 6.423697639663489E-11 -6.391011734945571E-11 1.853859415270526E-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 15.59   n/a E2020-QM9  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1952-Apr-14 16:26 < 00:01 Inter 0.0413726447447685 0.0413671537379613 0.041378137855551 6.19786280386781 6.19786274677736 2434117.184971697 0.588460000514681 545.70505090684 46.9497892816627 -60.2593199152094 114556.443249831 T 23 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:41 2021-Feb-24 07:14

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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