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(2019 BR2)
Classification: Apollo [NEO]          SPK-ID: 3837993
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4754997839351053 0.00036181  
a 1.50853352203246 0.00085468 au
q .791226158247162 9.7532e-05 au
i 5.797041566249362 0.003878 deg
node 306.7658398570318 0.00017799 deg
peri 248.4104969282187 0.00038438 deg
M 86.18864353678016 0.37399 deg
tp 2459234.476346915697
(2021-Jan-19.97634692)
0.56535 TDB
period 676.7540677845567
1.85
0.57514
0.001575
d
yr
n .5319509954014865 0.00045208 deg/d
Q 2.225840885817759 0.0012611 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2019-01-25  
   last obs. used      2019-01-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .48638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:03:38  

Additional Information
 Earth MOID = .00239358 au 
 Jupiter MOID = 2.75422 au 
 T_jup = 4.392 
[ 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 28.3   .33136 MPO467419 autocmod 2.6q

[ 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
1989-Jan-12 21:43 8_01:53 Earth 0.245186842917937 0.0907519754244671 0.399629348640469 20.1730504779384 20.1725117749078 2447539.404803896 11632.9802814072 7701535.22814279 38.4934202541757 0.531175078120474 7915.89159046755 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:03:39 2021-Apr-15 21:03
2017-Jun-19 08:18 2_07:20 Earth 0.0680269377973573 0.0674858950170072 0.0778419230698226 13.0756197570003 13.0726239149853 2457923.846062382 3320.04871034599 1508341.45696137 105.909067804753 82.7872993108929 111864.730152374 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:03:39 2021-Apr-15 21:03
2019-Jan-28 05:27 < 00:01 Earth 0.00438878666311707 0.00437973160793803 0.00439784145377048 13.0943798663279 13.0479332725917 2458511.726855194 0.0403901443240941 448.312906103586 2.08265297572717 -0.383694218858773 1015.91032055239 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:03:39 2021-Apr-15 21:03
2019-Jan-28 07:07 < 00:01 Moon 0.00282544186922261 0.00281777957495293 0.00283311213992841 12.1274414267772 12.1264849369833 2458511.796249103 0.264234227035223 449.654914417049 1.90963447687556 31.7811425777202 110769.977245865 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:03:39 2021-Apr-15 21:03
2076-Nov-15 20:43 4_02:02 Mars 0.0729102148777762 0.0414602610729688 0.282061716988954 13.087952657848 13.0876526372467 2479623.362883846 5881.82353693492 10921905.3264406 117.010197867555 34.6586006600983 52783.78908982 T 3 CATAB v2.0g-lin.ifort 2021-Apr-15 21:03:39 2021-Apr-15 21:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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