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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05373409645070625 5.9222e-08  
a 3.184768134099033 5.2739e-08 au
q 3.01363749600822 1.7039e-07 au
i 14.24542149034684 7.2181e-06 deg
node 274.0603096850255 2.4461e-05 deg
peri 280.171552532351 7.5862e-05 deg
M 167.2981002094661 7.1114e-05 deg
tp 2458431.774708803816
(2018-Nov-09.27470880)
0.00040982 TDB
period 2075.941713598582
5.68
5.1565e-05
1.412e-07
d
yr
n .173415273483739 4.3076e-09 deg/d
Q 3.355898772189847 5.5573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5401 days (14.79 yr)  
   first obs. used      2005-11-30  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:00  

Additional Information
 Earth MOID = 2.05144 au 
 Jupiter MOID = 1.83751 au 
 T_jup = 3.148 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458259.5 (2018-May-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04896332933142455 5.8036e-08  
q 3.030123022793454 1.6502e-07 au
tp 2458434.418577216362
(2018-Nov-11.91857722)
0.00045033 TDB
node 274.1503198233408 2.4407e-05 deg
peri 281.1164729790625 8.2335e-05 deg
i 14.25675704411212 7.2057e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5401 days (14.79 yr)  
   first obs. used      2005-11-30  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49928  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:41:00  

Additional Information
 Jupiter MOID = 1.83751 au 
 T_jup = 3.148 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.368225419496749E-15 -9.237504234679277E-15 -1.277979879148463E-11 -1.798350356499869E-14 -2.315032058775829E-12 1.957205375653278E-15
q -9.237504234679277E-15 2.723121176901265E-14 3.967141556678874E-11 5.4024546772691E-14 7.116451398734159E-12 -1.520438131320261E-15
tp -1.277979879148463E-11 3.967141556678874E-11 2.027943954515803E-7 1.207535213736961E-10 3.546522855726785E-8 -2.334387999264577E-11
node -1.798350356499869E-14 5.4024546772691E-14 1.207535213736961E-10 5.956998949996719E-10 -5.558317889019141E-10 1.039235179784425E-10
peri -2.315032058775829E-12 7.116451398734159E-12 3.546522855726785E-8 -5.558317889019141E-10 6.779043456738576E-9 -1.049798586603257E-10
i 1.957205375653278E-15 -1.520438131320261E-15 -2.334387999264577E-11 1.039235179784425E-10 -1.049798586603257E-10 5.192240437198905E-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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