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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0478664945911151 4.2198e-08  
a 3.236163563450497 2.7815e-08 au
q 3.08125975774463 1.388e-07 au
i 12.57813666419396 5.9976e-06 deg
node 211.4524892343028 2.0329e-05 deg
peri 40.16462508709576 6.8673e-05 deg
M 126.6938319174987 6.7497e-05 deg
tp 2458452.163215384970
(2018-Nov-29.66321538)
0.00039648 TDB
period 2126.395881978226
5.82
2.7415e-05
7.506e-08
d
yr
n .1693005536039156 2.1827e-09 deg/d
Q 3.391067369156364 2.9147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8498 days (23.27 yr)  
   first obs. used      1997-09-30  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57139  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:14:20  

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

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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
1904-Mar-09 13:22 00:04 Jupiter 1.87416273982305 1.87416140119927 1.87416407845856 4.47341470975166 4.37121777746759 2416549.056769806 3.52788015983584 274.126231629342 29.0345584459625 -76.8070924513568 2747496.89389785 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14
1915-Sep-14 07:23 00:03 Jupiter 1.94273380600008 1.9427323390227 1.94273527298464 4.29634683267963 4.193638731229 2420754.807512025 3.35341100984451 220.997585910923 29.6013389441459 -71.5029631366227 2693893.25385384 T 20 CATAB v2.0f-lin.ifort 2021-Feb-24 07:14:21 2021-Feb-24 07:14

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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