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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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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04786649579489427 4.1136e-08  
a 3.236163559966901 2.7425e-08 au
q 3.081259750532155 1.3437e-07 au
i 12.57813761887526 5.8159e-06 deg
node 211.4524849264544 2.011e-05 deg
peri 40.16463341316019 6.5757e-05 deg
M 126.6938282852303 6.4202e-05 deg
tp 2458452.163238047857
(2018-Nov-29.66323805)
0.00037738 TDB
period 2126.395878544761
5.82
2.703e-05
7.4e-08
d
yr
n .1693005538772831 2.1521e-09 deg/d
Q 3.391067369401646 2.8738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      8535 days (23.37 yr)  
   first obs. used      1997-09-30  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:50  

Additional Information
 Earth MOID = 2.07856 au 
 Jupiter MOID = 1.61211 au 
 T_jup = 3.146 
[ 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 14.95   n/a E2021B10  
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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