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JPL Small-Body Database Browser
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(2021 JL5)
Classification: Apollo [NEO]          SPK-ID: 54145075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6015929809028652 0.00071536  
a 2.49463072903661 0.0044435 au
q .993878392503588 1.4486e-05 au
i 4.70447883850993 0.003901 deg
node 51.55194737939693 0.00018098 deg
peri 204.3386040649056 0.0022714 deg
M 7.405085205575435 0.019138 deg
tp 2459366.897023002290
(2021-Jun-01.39702300)
0.0026424 TDB
period 1439.155853487253
3.94
3.8452
0.01053
d
yr
n .2501466391757886 0.00066835 deg/d
Q 3.995383065569632 0.0071167 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2021-05-09  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .74153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-12 11:42:02  

Additional Information
 Earth MOID = .00848271 au 
 Jupiter MOID = 1.09742 au 
 T_jup = 3.188 
[ 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 27.73   .33982 MPO622855 autocmod 2.9c

[ 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
2021-May-15 04:37 < 00:01 Earth 0.0114608909143898 0.0114258866327818 0.0114958941598497 9.7147500580359 9.69078942693903 2459349.692632683 0.390467704805145 1736.99571183051 10.4501282703625 -0.101463505313312 628.137862557412 T 1 CATAB v2.0g-lin.ifort 2021-May-12 11:42:03 2021-May-12 11:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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