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78248 (2002 PY5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04801275698184849 4.3564e-08  
a 3.236295807695908 2.8734e-08 au
q 3.080912323559629 1.4501e-07 au
i 12.57804203965066 5.9995e-06 deg
node 211.4527324754976 2.115e-05 deg
peri 40.27599121319466 6.8858e-05 deg
M 92.703064561191 6.7309e-05 deg
tp 2458452.901394773896
(2018-Nov-30.40139477)
0.00039593 TDB
period 2126.526224505482
5.82
2.8321e-05
7.754e-08
d
yr
n .169290176557177 2.2546e-09 deg/d
Q 3.391679291832186 3.0114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:35  

Additional Information
 Earth MOID = 2.07967 au 
 Jupiter MOID = 1.61292 au 
 T_jup = 3.145 
[ show covariance matrix ]

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 14.9   n/a MPO439581  
diameter diameter 6.353 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78248 (2002 PY5)          Discovered 2002-Aug-04 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PY5 = 1997 SY24 = 2001 KT18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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