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362843 (2012 BJ21)
Classification: Main-belt Asteroid          SPK-ID: 2362843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05373410300594844 5.7119e-08  
a 3.184768138530745 5.1713e-08 au
q 3.013637479324871 1.6562e-07 au
i 14.24542295663555 6.9691e-06 deg
node 274.0603127695248 2.4123e-05 deg
peri 280.1715404812857 7.2864e-05 deg
M 167.2981084329244 6.8559e-05 deg
tp 2458431.774659369533
(2018-Nov-09.27465937)
0.00039375 TDB
period 2075.941717931696
5.68
5.0563e-05
1.384e-07
d
yr
n .1734152731217693 4.2238e-09 deg/d
Q 3.355898797736618 5.4492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5729 days (15.69 yr)  
   first obs. used      2005-11-30  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 04:31:18  

Additional Information
 Earth MOID = 2.05144 au 
 Jupiter MOID = 1.83751 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458288.5 (2018-Jun-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04898064327417748 5.6076e-08  
q 3.030093248588713 1.6071e-07 au
tp 2458434.511998549874
(2018-Nov-12.01199855)
0.00043226 TDB
node 274.1503437351801 2.407e-05 deg
peri 281.1347501967349 7.8998e-05 deg
i 14.25676014411943 6.9573e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5729 days (15.69 yr)  
   first obs. used      2005-11-30  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 04:31:18  

Additional Information
 Jupiter MOID = 1.83751 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.144559947149018E-15 -8.677525389000043E-15 -1.08977599384198E-11 -1.568259311531466E-14 -1.975133949227604E-12 1.867180410924005E-15
q -8.677525389000043E-15 2.582806136221683E-14 3.494664496334413E-11 4.755087261101975E-14 6.264022560898286E-12 -1.644148716681971E-15
tp -1.08977599384198E-11 3.494664496334413E-11 1.868465660830425E-7 1.102092737815982E-10 3.257692480569256E-8 -1.854963698780112E-11
node -1.568259311531466E-14 4.755087261101975E-14 1.102092737815982E-10 5.793810296450653E-10 -5.419363729874468E-10 9.635279506892193E-11
peri -1.975133949227604E-12 6.264022560898286E-12 3.257692480569256E-8 -5.419363729874468E-10 6.240626710910326E-9 -9.677211987273477E-11
i 1.867180410924005E-15 -1.644148716681971E-15 -1.854963698780112E-11 9.635279506892193E-11 -9.677211987273477E-11 4.840364502380126E-11

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 15.42   n/a E2021B25  

362843 (2012 BJ21)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

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