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(2008 US)
Classification: Apollo [NEO]          SPK-ID: 3432646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454760.5 (2008-Oct-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6134458012885005 0.018785  
a 1.610950313724301 0.059984 au
q .6227196076857359 0.007115 au
i 5.963107966296563 0.16594 deg
node 207.9248071882062 0.0025047 deg
peri 90.76885333077126 0.10055 deg
M 23.99020755703698 1.6781 deg
tp 2454710.731660593076
(2008-Sep-01.23166059)
0.70158 TDB
period 746.829811451015
2.04
41.713
0.1142
d
yr
n .4820375331570607 0.026923 deg/d
Q 2.599181019762865 0.096781 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   first obs. used      2008-10-21  
   last obs. used      2008-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .38644  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:02:32  

Additional Information
 Earth MOID = .000191597 au 
 Jupiter MOID = 2.67948 au 
 T_jup = 4.104 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 31.4   n/a MPO277182  

[ hide close-approach data ]
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
2008-Oct-20 23:30 00:15 Earth 0.000219812076386536 0.000202428452576005 0.000237122891761445 19.1429469671644 18.4988964701869 2454760.479252182 14.8605117634038 840.947132619886 89.099607050867 16.5031289323237 30.375296389112 T 8 CATAB v2.0e-lin.ifort 2017-Nov-28 12:11:51 2018-Dec-11 15:15
2008-Oct-21 00:01 00:14 Moon 0.00235371843900049 0.00234176100087684 0.0023657377109423 19.9600555103159 19.9593579044781 2454760.500495478 13.565556912511 848.191535776529 11.5008318473426 -45.1342352836752 4688.74732770223 T 8 CATAB v2.0e-lin.ifort 2017-Nov-28 12:11:51 2018-Dec-11 15:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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