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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0380226998573771 4.4894e-08  
a 3.172036142124685 2.682e-08 au
q 3.051426763955926 1.5045e-07 au
i 11.28305080426389 4.9569e-06 deg
node 151.4775643948017 2.1794e-05 deg
peri 257.1798711453633 6.7015e-05 deg
M 354.5383111664246 6.2397e-05 deg
tp 2459231.806179445366
(2021-Jan-17.30617945)		 0.00035761 TDB
period 2063.505436459268
5.65		 2.6171e-05
7.165e-08		 d
yr
n .1744604078280101 2.2126e-09 deg/d
Q 3.292645520293444 2.784e-08 au
   Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9827 days (26.90 yr)  
   first obs. used      1994-02-16  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:19  

Additional Information
 Earth MOID = 2.08207 au 
 Jupiter MOID = 1.86651 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458057.5 (2017-Oct-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03663797118138899 4.5241e-08  
q 3.061495570110178 1.5048e-07 au
tp 2457139.174755348252
(2015-Apr-26.67475535)		 0.00037334 TDB
node 151.7130917290776 2.1777e-05 deg
peri 252.6200089695994 6.8816e-05 deg
i 11.28094496171323 4.9595e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      9827 days (26.90 yr)  
   first obs. used      1994-02-16  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:19  

Additional Information
 Jupiter MOID = 1.86651 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.04672877009164E-15 -6.710234000496781E-15 -2.940929184116879E-12 5.519524154999969E-15 -4.744404803991188E-13 -2.690908477901031E-15
q -6.710234000496781E-15 2.264389556736184E-14 7.568775329455028E-12 -1.371149792919538E-14 1.232847731372299E-12 9.746520379261959E-15
tp -2.940929184116879E-12 7.568775329455028E-12 1.393860216988473E-7 9.840130738269759E-12 2.438601215029337E-8 2.162774731125323E-11
node 5.519524154999969E-15 -1.371149792919538E-14 9.840130738269759E-12 4.742431029144836E-10 -4.626911452167259E-10 2.575940205227211E-11
peri -4.744404803991188E-13 1.232847731372299E-12 2.438601215029337E-8 -4.626911452167259E-10 4.735585380032272E-9 -2.160164290077346E-11
i -2.690908477901031E-15 9.746520379261959E-15 2.162774731125323E-11 2.575940205227211E-11 -2.160164290077346E-11 2.459699652110599E-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

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