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JPL Small-Body Database Browser
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(2020 BD9)
Classification: Apollo [NEO]          SPK-ID: 3989204
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 2458875.5 (2020-Jan-27.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3844378317657531 0.00079544  
a 1.649036193045141 0.0022156 au
q 1.015084294487615 5.2142e-05 au
i 9.679466965238809 0.015128 deg
node 131.5444114919165 0.0013578 deg
peri 16.15606500353054 0.0029427 deg
M 351.246532659149 0.017742 deg
tp 2458894.307077894223
(2020-Feb-14.80707789)
0.00024145 TDB
period 773.4704178678152
2.12
1.5588
0.004268
d
yr
n .4654347363308255 0.00093802 deg/d
Q 2.282988091602667 0.0030674 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      28 days  
   first obs. used      2020-01-25  
   last obs. used      2020-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .51733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-15 07:07:36  

Additional Information
 Earth MOID = .0374633 au 
 Jupiter MOID = 2.73402 au 
 T_jup = 4.180 
[ 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 24.898   .45355 5 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-02 22:55 < 00:01 Earth 0.0420575823445289 0.04183215086298 0.0422830084728751 7.57299614631237 7.56462585848864 2458882.454791402 0.257023161307949 11216.2666044811 11.0853687027234 0.130558934938028 331.810488745414 T 5 CATAB v2.0f-lin.ifort 2020-Mar-15 07:07:38 2020-Mar-15 07:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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