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78247 (2002 PO3)
Classification: Main-belt Asteroid          SPK-ID: 2078247
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 .03802270230578217 4.4774e-08  
a 3.172036139631768 2.6736e-08 au
q 3.051426753791367 1.4993e-07 au
i 11.28305106590335 4.8877e-06 deg
node 151.4775644225328 2.1792e-05 deg
peri 257.1798659935978 6.6572e-05 deg
M 354.5383166848223 6.1851e-05 deg
tp 2459231.806147777228
(2021-Jan-17.30614778)
0.00035447 TDB
period 2063.505434026692
5.65
2.6088e-05
7.143e-08
d
yr
n .1744604080336739 2.2057e-09 deg/d
Q 3.29264552547217 2.7752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      9847 days (26.96 yr)  
   first obs. used      1994-02-16  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:50  

Additional Information
 Earth MOID = 2.08207 au 
 Jupiter MOID = 1.86651 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458084.5 (2017-Nov-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03659382750144976 4.5078e-08  
q 3.061872516045655 1.4987e-07 au
tp 2457140.244615173581
(2015-Apr-27.74461517)
0.00037138 TDB
node 151.7003984054023 2.178e-05 deg
peri 252.8250627155006 6.8493e-05 deg
i 11.27927057087237 4.8896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      9847 days (26.96 yr)  
   first obs. used      1994-02-16  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5562  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:50  

Additional Information
 Jupiter MOID = 1.86651 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.031985092913021E-15 -6.658195001497702E-15 -2.766857285177456E-12 5.459007483195096E-15 -4.447124809036265E-13 -2.631396907807769E-15
q -6.658195001497702E-15 2.246008257070858E-14 6.879264588947316E-12 -1.37678602487734E-14 1.11500128200987E-12 9.323381621260784E-15
tp -2.766857285177456E-12 6.879264588947316E-12 1.379196077161887E-7 1.080426049425788E-11 2.413094144904018E-8 2.009584346196705E-11
node 5.459007483195096E-15 -1.37678602487734E-14 1.080426049425788E-11 4.743704816217468E-10 -4.626989859415986E-10 2.549144725185677E-11
peri -4.447124809036265E-13 1.11500128200987E-12 2.413094144904018E-8 -4.626989859415986E-10 4.691319358606392E-9 -2.16111311902267E-11
i -2.631396907807769E-15 9.323381621260784E-15 2.009584346196705E-11 2.549144725185677E-11 -2.16111311902267E-11 2.390859122891794E-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 15.02   n/a E2021B10  
diameter diameter 6.381 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78247 (2002 PO3)          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
1975-Jan-05 06:22 00:02 Jupiter 1.94776532112003 1.94776479041722 1.94776585182383 4.68908649228634 4.59541014328946 2442417.765546902 1.63034864968846 129.060894314238 20.3145938670431 83.3364757736222 3637795.887882 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 13:35:51 2021-Apr-13 13:35
1985-Oct-22 00:09 00:01 Jupiter 1.95665943226244 1.9566590017904 1.95665986273459 4.4873157527266 4.3897856851934 2446360.506496633 1.21979588588053 96.5568156677387 19.0791602303534 -86.2141089674642 3730249.48847764 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 13:35:51 2021-Apr-13 13:35
2093-Aug-25 11:44 00:03 Jupiter 1.94634478721117 1.94634422501351 1.94634534941237 4.63936933015718 4.5445984706045 2485749.988606067 2.87619146541807 220.156375249879 20.666706195522 85.4773010898042 3585771.05205391 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 13:35:51 2021-Apr-13 13:35
2104-Jun-12 10:58 00:03 Jupiter 1.94677570143592 1.94677513551918 1.94677626735775 4.48173738464994 4.38358188212543 2489692.957136407 3.23998749803704 231.462466152309 19.0712991827625 -84.5981568028578 3712326.32816913 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 13:35:51 2021-Apr-13 13:35

Alternate Designations
 2002 PO3 = 2000 EB176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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