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379901 (2012 JA16)
Classification: Main-belt Asteroid          SPK-ID: 2379901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109223017582868 6.6206e-08  
a 2.154116870966149 1.5342e-08 au
q 1.91883772609306 1.4723e-07 au
i 1.086927642485183 8.0459e-06 deg
node 37.85724540762001 0.00025977 deg
peri 209.6699048474649 0.0002625 deg
M 181.1009803439724 4.0818e-05 deg
tp 2459574.362412785340
(2021-Dec-25.86241279)
0.00013411 TDB
period 1154.788153674277
3.16
1.2337e-05
3.378e-08
d
yr
n .3117454910275627 3.3304e-09 deg/d
Q 2.389396015839237 1.7017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      9677 days (26.49 yr)  
   first obs. used      1993-04-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:01:00  

Additional Information
 Earth MOID = .905161 au 
 Jupiter MOID = 2.62244 au 
 T_jup = 3.694 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457148.5 (2015-May-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109041969950164 6.616e-08  
q 1.919098501340991 1.471e-07 au
tp 2457265.161212205192
(2015-Aug-30.66121221)
0.00012326 TDB
node 37.87245176507608 0.00025954 deg
peri 209.7490530909474 0.0002623 deg
i 1.087786365245139 8.0482e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      9677 days (26.49 yr)  
   first obs. used      1993-04-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:01:00  

Additional Information
 Jupiter MOID = 2.62244 au 
 T_jup = 3.694 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.377124367069821E-15 -9.693634763744055E-15 -5.579215936379189E-12 1.041299857898428E-14 -1.606090828825185E-12 -2.729195329752012E-15
q -9.693634763744055E-15 2.163883852804991E-14 1.265984172237174E-11 -2.429559306533372E-14 3.648995879214848E-12 6.285203590461565E-15
tp -5.579215936379189E-12 1.265984172237174E-11 1.519368106909617E-8 -1.963778372220033E-11 4.682627897310663E-9 6.426516811854017E-12
node 1.041299857898428E-14 -2.429559306533372E-14 -1.963778372220033E-11 6.736080866684401E-8 -6.73543643907398E-8 -1.054280206623104E-9
peri -1.606090828825185E-12 3.648995879214848E-12 4.682627897310663E-9 -6.73543643907398E-8 6.879909974706839E-8 1.056055979695793E-9
i -2.729195329752012E-15 6.285203590461565E-15 6.426516811854017E-12 -1.054280206623104E-9 1.056055979695793E-9 6.477277061186932E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO437556  

379901 (2012 JA16)          Discovered 2006-Jun-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2012 JA16 = 2010 VT84 = 2010 WN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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