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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 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

[ 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
1965-Nov-12 06:04 00:04 Jupiter 1.96824925675388 1.96824787153206 1.96825064199607 5.35166119990679 5.27063481696354 2439076.752866988 3.91247635203018 370.836353078127 31.84938542811 81.1099109336685 2710136.1467848 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
1976-Oct-28 20:46 00:03 Jupiter 1.91050314843619 1.91050244948955 1.91050384738293 4.38313365747438 4.28078960881837 2443080.365115590 3.39089431764009 308.159580649068 30.6689658306114 -87.679474655323 2107357.01751905 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
1987-Aug-21 03:18 00:03 Jupiter 1.96245570201915 1.96245476678643 1.9624566372522 2.67596626679384 2.50949563088111 2447028.637493458 3.11329387611837 135.675089272326 32.137478342194 -61.6155991289296 1530722.16117461 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
1998-Apr-27 21:35 00:02 Jupiter 1.95996094229612 1.95996008499134 1.95996179960146 3.17970208630814 3.04075310557728 2450931.399090071 1.94856506253234 458.459700019498 37.4625695603379 86.7355067716985 1867020.36354213 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2009-Mar-13 10:36 < 00:01 Jupiter 1.93948971649582 1.93948900751272 1.93949042547947 4.66329788919812 4.56868672313247 2454903.941609346 0.784354347852974 168.233453325331 30.8430274381964 85.0606744051304 2260579.55064126 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2107-Nov-23 00:11 00:06 Jupiter 1.90099711229866 1.90099612746112 1.90099809718116 5.04731945135951 4.95825560704594 2490951.507393858 5.79641292484949 583.5064863455 27.1241447289497 86.7695701115566 2561714.21289054 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2118-Oct-30 00:27 00:07 Jupiter 1.89895121001168 1.89894973255427 1.89895268751627 3.90337175804492 3.78737587340198 2494945.518643251 7.48205271092925 544.940337665457 28.1989788358035 -79.5497594504261 1870250.24542505 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2129-Jul-29 20:02 00:10 Jupiter 1.96918128739523 1.96918000078152 1.96918257403848 2.35798504620478 2.16790558456931 2498871.334668620 10.2582813704997 541.068920294333 36.5644709345805 -80.8517603622432 2035972.98416953 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2140-Apr-19 20:42 00:10 Jupiter 1.96430406790745 1.96430327286898 1.96430486295329 3.72148427782496 3.60375226226612 2502788.362169621 9.5693682478029 630.8137496855 38.968730618489 84.0147703904409 956442.737822823 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
2151-Mar-21 15:25 00:09 Jupiter 1.98655745859336 1.98655580441766 1.98655911284664 5.02602592749904 4.94046379620353 2506776.142243161 9.13226177567065 674.886392279038 27.8266715074372 84.4834658410329 1787868.09508667 T 15 CATAB v2.0g-lin.ifort 2021-Aug-25 04:31:19 2021-Aug-25 04:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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