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JPL Small-Body Database Browser
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379906 (2012 JR27)
Classification: Main-belt Asteroid          SPK-ID: 2379906
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03771150432300444 1.3485e-07  
a 2.418903618983577 3.9599e-08 au
q 2.327683124699347 3.2015e-07 au
i 6.137089279898699 1.3389e-05 deg
node 231.8471979120723 7.0613e-05 deg
peri 162.5801282106623 0.00013019 deg
M 147.0226537071156 0.00010351 deg
tp 2458039.312447067930
(2017-Oct-12.81244707)
0.00040071 TDB
period 1374.125102230877
3.76
3.3743e-05
9.238e-08
d
yr
n .2619848799905802 6.4333e-09 deg/d
Q 2.510124113267807 4.1092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      5411 days (14.81 yr)  
   first obs. used      2004-03-16  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:41:38  

Additional Information
 Earth MOID = 1.33434 au 
 Jupiter MOID = 2.64009 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456945.5 (2014-Oct-15.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03688816307653738 1.3476e-07  
q 2.330828452811503 3.1974e-07 au
tp 2456669.111795452075
(2014-Jan-11.61179545)
0.00042653 TDB
node 231.9270825960154 7.0641e-05 deg
peri 163.759224539743 0.00013233 deg
i 6.135070180728182 1.3384e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      5411 days (14.81 yr)  
   first obs. used      2004-03-16  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:41:38  

Additional Information
 Jupiter MOID = 2.64009 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.815938283757855E-14 -4.278867388576459E-14 -1.902508335422544E-12 -1.072929829528173E-13 -2.21735303354677E-13 -1.599081969473982E-14
q -4.278867388576459E-14 1.022345264297435E-13 -3.601584599642146E-12 2.520454028264485E-13 -1.561717588540609E-12 3.82150976852839E-14
tp -1.902508335422544E-12 -3.601584599642146E-12 1.819320399147437E-7 7.598229420446047E-11 4.775366556873427E-8 -8.304485042555737E-12
node -1.072929829528173E-13 2.520454028264485E-13 7.598229420446047E-11 4.990133179223745E-9 -4.941895164172254E-9 -2.51415088885203E-10
peri -2.21735303354677E-13 -1.561717588540609E-12 4.775366556873427E-8 -4.941895164172254E-9 1.751241721796983E-8 2.48098970225958E-10
i -1.599081969473982E-14 3.82150976852839E-14 -8.304485042555737E-12 -2.51415088885203E-10 2.48098970225958E-10 1.791333716538001E-10

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 17.7   n/a MPO471896  

379906 (2012 JR27)          Discovered 2010-Dec-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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