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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04801275940442527 4.2843e-08  
a 3.236295806264373 2.8366e-08 au
q 3.080912314356651 1.4189e-07 au
i 12.57804202546379 5.9988e-06 deg
node 211.4527315316149 2.081e-05 deg
peri 40.27599194680774 6.8734e-05 deg
M 92.70306513857192 6.7272e-05 deg
tp 2458452.901391726632
(2018-Nov-30.40139173)
0.00039574 TDB
period 2126.526223094519
5.82
2.7959e-05
7.655e-08
d
yr
n .169290176669502 2.2258e-09 deg/d
Q 3.391679298172094 2.9728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:31  

Additional Information
 Earth MOID = 2.07967 au 
 Jupiter MOID = 1.61292 au 
 T_jup = 3.145 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04876999247781449 4.1151e-08  
q 3.079006915885666 1.3583e-07 au
tp 2456351.156490029898
(2013-Feb-27.65649003)
0.00039867 TDB
node 211.5426817607621 2.0763e-05 deg
peri 44.81487403579014 6.9767e-05 deg
i 12.59111176999892 6.0088e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-09-30  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:31  

Additional Information
 Jupiter MOID = 1.61292 au 
 T_jup = 3.145 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.69336847108998E-15 -5.480162049471368E-15 -5.628085799417588E-12 -4.512811591041984E-16 -9.274037577456777E-13 2.466772467329804E-15
q -5.480162049471368E-15 1.844999804959426E-14 1.934774377060252E-11 -2.477374189840516E-15 3.25145220990216E-12 -5.292767815780671E-15
tp -5.628085799417588E-12 1.934774377060252E-11 1.589350958433618E-7 -6.141267668492383E-11 2.656394923248691E-8 1.989954361962493E-11
node -4.512811591041984E-16 -2.477374189840516E-15 -6.141267668492383E-11 4.311195111211895E-10 -4.309104101393449E-10 -3.379905889218715E-11
peri -9.274037577456777E-13 3.25145220990216E-12 2.656394923248691E-8 -4.309104101393449E-10 4.867397274896718E-9 3.655411764577039E-11
i 2.466772467329804E-15 -5.292767815780671E-15 1.989954361962493E-11 -3.379905889218715E-11 3.655411764577039E-11 3.610520618827798E-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 14.9   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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