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JPL Small-Body Database Browser
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(2020 BL7)
Classification: Apollo [NEO]          SPK-ID: 3989167
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 2458873.5 (2020-Jan-25.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4684102394006204 0.0014924  
a 1.857988991605531 0.0051843 au
q .9876879232438667 1.9371e-05 au
i 8.700424077810643 0.020927 deg
node 320.0026384513243 0.0037908 deg
peri 212.2106101689047 0.012356 deg
M 342.7533456105022 0.072842 deg
tp 2458917.816503850591
(2020-Mar-09.31650385)
0.0017143 TDB
period 925.0455784588454
2.53
3.8717
0.0106
d
yr
n .3891700132222362 0.0016288 deg/d
Q 2.728290059967195 0.0076127 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      13 days  
   first obs. used      2020-01-23  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .48169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-05 05:24:40  

Additional Information
 Earth MOID = .0348322 au 
 Jupiter MOID = 2.27282 au 
 T_jup = 3.844 
[ 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 24.989   .31526 4 autocmod 2.8

[ 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
2020-Feb-19 20:28 00:08 Earth 0.0356490978496077 0.0353720587009294 0.0359261321896824 8.54021070156225 8.53145445616042 2458899.352860184 8.32660811514366 13799.2565697145 258.54493203677 -2.7049637373101 626.11727646289 T 4 CATAB v2.0f-lin.ifort 2020-Feb-05 05:24:41 2020-Feb-05 05:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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