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JPL Small-Body Database Browser
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312286 (2008 BR20)
Classification: Main-belt Asteroid          SPK-ID: 2312286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897589007113152 7.6394e-08  
a 2.69000976665784 2.5715e-08 au
q 2.179556470434147 2.0405e-07 au
i 14.85931233995455 7.7528e-06 deg
node 129.4491565340724 2.3571e-05 deg
peri 11.43702469966528 2.683e-05 deg
M 191.2011413185661 1.4835e-05 deg
tp 2459356.107425498025
(2021-May-21.60742550)
7.1342e-05 TDB
period 1611.495926596619
4.41
2.3107e-05
6.326e-08
d
yr
n .2233949177645755 3.2032e-09 deg/d
Q 3.200463062881533 3.0594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      5701 days (15.61 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:46  

Additional Information
 Earth MOID = 1.19537 au 
 Jupiter MOID = 1.84635 au 
 T_jup = 3.299 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO494654  

312286 (2008 BR20)          Discovered 2008-Jan-30 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1926-Jun-25 13:27 00:03 Jupiter 1.85577905156754 1.85577825848288 1.85577984466392 3.72531417969735 3.6007106641599 2424692.060694443 3.36904532468825 457.071139920875 32.9671157026349 -87.8633294209932 1849377.68775039 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
1961-Aug-09 23:15 00:02 Jupiter 1.94457690629036 1.94457575710979 1.9445780554759 3.7986561489422 3.68220378649466 2437521.468576457 2.07997362543556 250.792860296898 44.0104411861879 -81.9902933750193 2177409.24749313 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
2046-Jan-20 06:43 00:01 Jupiter 1.95133596327191 1.95133512351135 1.95133680303348 3.2415345124634 3.10473827057578 2468365.779633868 1.26354634219284 137.718528541781 37.001896995697 79.2582422739274 1414424.09586206 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
2081-Feb-27 07:18 00:03 Jupiter 1.85264327440407 1.85264250694761 1.85264404186749 3.50727035478308 3.37439651006893 2481187.804342363 2.58629459926331 344.415433918481 31.2308579624594 85.4928470413208 1579197.78668177 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
2116-Apr-15 15:45 00:04 Jupiter 1.86151824524536 1.86151706890456 1.86151942161885 3.70359159712876 3.57862496565666 2494018.156022785 3.99053097678895 508.246790697584 36.0037589629549 -85.4917621612629 1849195.41696195 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
2151-May-31 09:41 00:06 Jupiter 1.95578913892508 1.95578578508096 1.95579249281156 3.83019465489807 3.71540327924217 2506846.903582982 5.59351606486731 518.012346188954 58.0553473576 -72.8619102522395 2245734.34093301 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:49 2019-Nov-08 08:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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