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(2013 JR7)
Classification: Apollo [NEO]          SPK-ID: 3638240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224138617855365 0.0020042  
a 1.249444991078649 0.0023346 au
q .9715511055242513 0.00069563 au
i 9.107972393425108 0.046254 deg
node 43.11657032850464 0.061962 deg
peri 230.8826426540485 0.16148 deg
M 346.9245849774078 2.0224 deg
tp 2459019.027939296849
(2020-Jun-18.52793930)
2.9176 TDB
period 510.1220982539191
1.40
1.4297
0.003914
d
yr
n .7057133992670238 0.0019779 deg/d
Q 1.527338876633046 0.0028538 au
  Orbit Determination Parameters
   # obs. used (total)      7  
   data-arc span      1 day  
   first obs. used      2013-05-03  
   last obs. used      2013-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .81953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-11 06:01:26  

Additional Information
 Earth MOID = .0233473 au 
 Jupiter MOID = 3.56804 au 
 T_jup = 5.108 
[ 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 26.8   n/a MPO263233  

[ 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
1972-Jan-11 22:28 4_13:30 Mars 0.0689095255251926 0.0573640395727266 0.248456722243771 4.27319606284645 4.27222371082465 2441328.436413919 6569.50310106607 10161861.550566 8526.80798173576 -56.6142574836424 1079.65760624064 T 6 CATAB v2.0e-lin.ifort 2019-Jul-11 06:02:35 2019-Jul-11 06:07
2013-May-10 00:58 00:03 Earth 0.0237564208598485 0.0236323946036675 0.023880446889294 6.98020349549128 6.96411690564696 2456422.540389989 2.83113986136782 6184.21008192856 890.845990171453 -3.31709473398358 374.644495397253 T 6 CATAB v2.0e-lin.ifort 2019-Jul-11 06:02:35 2019-Jul-11 06:07
2013-Sep-22 01:59 04:47 Earth 0.258057379247264 0.255688125166399 0.260432297221491 5.05171077556439 5.04966647155972 2456557.582670267 287.139763943269 136018.803943474 51979.9612649524 -32.3370676307495 335.319482460769 T 6 CATAB v2.0e-lin.ifort 2019-Jul-11 06:02:35 2019-Jul-11 06:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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