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78245 (2002 PE3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1124486668264212 6.8434e-08  
a 3.218952138938152 2.2425e-08 au
q 2.8569852623365 2.2221e-07 au
i 13.41947625423736 6.577e-06 deg
node 210.0562746664621 1.6678e-05 deg
peri 188.325524637981 2.5347e-05 deg
M 3.169579452077473 1.7536e-05 deg
tp 2459181.927543579716
(2020-Nov-28.42754358)
0.00010278 TDB
period 2109.454712334165
5.78
2.2043e-05
6.035e-08
d
yr
n .170660217493672 1.7833e-09 deg/d
Q 3.580919015539805 2.4946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      9326 days (25.53 yr)  
   first obs. used      1995-07-02  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:19  

Additional Information
 Earth MOID = 1.86368 au 
 Jupiter MOID = 1.85234 au 
 T_jup = 3.137 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457697.5 (2016-Nov-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112582324790463 6.8001e-08  
q 2.858866985485628 2.1915e-07 au
tp 2457046.363089328590
(2015-Jan-23.86308933)
0.00010698 TDB
node 210.1924808864229 1.663e-05 deg
peri 184.7341328153445 2.5424e-05 deg
i 13.42990186625148 6.5862e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      9326 days (25.53 yr)  
   first obs. used      1995-07-02  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:19  

Additional Information
 Jupiter MOID = 1.85234 au 
 T_jup = 3.137 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.624169647014113E-15 -1.484399876086225E-14 -1.315225669842178E-14 -1.432379618489701E-14 1.696660969811513E-13 -4.294212282400469E-15
q -1.484399876086225E-14 4.802818647869854E-14 -4.790970196406923E-13 4.300799166554002E-14 -6.115974947697577E-13 1.525562596974459E-14
tp -1.315225669842178E-14 -4.790970196406923E-13 1.144408604165338E-8 8.041365443504133E-12 2.044528459107974E-9 9.042187217388199E-12
node -1.432379618489701E-14 4.300799166554002E-14 8.041365443504133E-12 2.765482668565793E-10 -2.682038652044599E-10 4.925725016333652E-12
peri 1.696660969811513E-13 -6.115974947697577E-13 2.044528459107974E-9 -2.682038652044599E-10 6.463684039547263E-10 -3.273793620291531E-12
i -4.294212282400469E-15 1.525562596974459E-14 9.042187217388199E-12 4.925725016333652E-12 -3.273793620291531E-12 4.337821642632826E-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 14.75   n/a E2021B10  
diameter diameter 6.100 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78245 (2002 PE3)          Discovered 2002-Aug-03 by NEAT at Palomar
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
1995-Jul-21 17:29 < 00:01 Jupiter 1.97148602595585 1.97148535477635 1.97148669713547 3.65689365610985 3.53745643788958 2449920.228235149 0.758444488502411 110.066564342238 30.023284275529 -87.4376073216568 2598901.10134549 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2006-Oct-09 22:43 < 00:01 Jupiter 1.87078840260637 1.87078773765239 1.87078906756024 3.90634170132553 3.78866478166477 2454018.446707094 0.408428335106382 85.8965063758267 29.8480748557447 86.8688780258858 2455422.9622624 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2018-Jan-20 07:58 < 00:01 Jupiter 1.84458972938273 1.84458906460752 1.84459039415795 4.03040495845298 3.91481523443045 2458138.832284833 0.296223788918492 61.4975887751709 30.3946590271613 85.9796869657668 2476677.83600535 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2029-May-05 21:38 < 00:01 Jupiter 1.89340688196156 1.89340624281482 1.89340752110829 4.05109468086188 3.93911928926243 2462262.401251366 0.548836395070729 71.2383854728755 29.2995310572338 86.4265835848308 2423962.43524839 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2173-Aug-31 21:33 00:04 Jupiter 1.97350173333191 1.9735000807205 1.97350338594415 3.32052110618707 3.18864624946504 2514975.398225029 4.23067338800109 133.144372219569 78.0527406532806 -64.1263257731464 2130252.97716244 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2184-Nov-12 20:47 00:04 Jupiter 1.87738634717481 1.87738516200936 1.87738753235103 3.72391765272888 3.60072498650651 2519066.366134129 3.99045699610574 294.291743821693 35.3651360862467 -79.8849803500405 2158122.70282249 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
2196-Feb-21 04:37 00:04 Jupiter 1.84903948879539 1.84903884532694 1.84904013226405 3.97570993706992 3.85876843209883 2523183.692139448 4.0483976118263 392.053924868961 29.5980576397264 -89.2231006367663 2310209.08236388 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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