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(2020 BR8)
Classification: Apollo [NEO]          SPK-ID: 3989196
[ 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.


Orbital Elements at Epoch 2458874.5 (2020-Jan-26.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8568147893737937 0.0011942  
a 2.511827804815149 0.017275 au
q .3596565932892185 0.00052606 au
i 7.062063777265449 0.01727 deg
node 121.78929702 0.0036475 deg
peri 119.8808738930498 0.0024491 deg
M 348.4607412245807 0.13073 deg
tp 2458921.107803282851
(2020-Mar-12.60780328)		 0.047205 TDB
period 1454.06299558583
3.98		 15.001
0.04107		 d
yr
n .2475821206459896 0.0025542 deg/d
Q 4.663999016341081 0.032077 au
   Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      4 days  
   first obs. used      2020-01-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .44238  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 05:44:38  

Additional Information
 Earth MOID = .0164033 au 
 Jupiter MOID = .581699 au 
 T_jup = 2.783 
[ 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 25.586   .31846 2 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-Jan-31 01:12 < 00:01 Earth 0.0247210105252502 0.0245911984712648 0.0248508222380704 29.2959593568389 29.2922800527309 2458879.550226876 0.577566747334099 6471.57346686944 14.787106680713 -0.00522579521261069 506.613425914715 T 2 CATAB v2.0f-lin.ifort 2020-Jan-28 05:44:57 2020-Jan-28 05:45
2020-Mar-04 09:51 03:43 Mercury 0.061521959679872 0.0599356377529756 0.0631139713220783 41.1947165065946 41.1946583963369 2458912.910309408 222.521605097117 84559.4450470116 516.436438052316 -20.4143049855835 6172.56470779906 T 2 CATAB v2.0f-lin.ifort 2020-Jan-28 05:44:57 2020-Jan-28 05:45
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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