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376549 (2013 KJ2)
Classification: Main-belt Asteroid          SPK-ID: 2376549
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047482439372893 4.5457e-08  
a 3.184841454680078 4.1558e-08 au
q 2.851234905083658 1.4613e-07 au
i 16.61839979920729 5.5242e-06 deg
node 154.6563208726029 1.7852e-05 deg
peri 142.0317613823458 3.564e-05 deg
M 94.10045258866326 2.7998e-05 deg
tp 2458457.850553238607
(2018-Dec-05.35055324)
0.00016164 TDB
period 2076.01340333656
5.68
4.0634e-05
1.112e-07
d
yr
n .1734092850370857 3.3941e-09 deg/d
Q 3.518448004276498 4.5911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:28:48  

Additional Information
 Earth MOID = 1.85479 au 
 Jupiter MOID = 1.89441 au 
 T_jup = 3.125 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457170.5 (2015-May-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084186094526891 4.5338e-08  
q 2.836428526229938 1.465e-07 au
tp 2456384.414169280146
(2013-Apr-01.91416928)
0.00016235 TDB
node 154.7982614207944 1.7809e-05 deg
peri 142.1862029909669 3.4682e-05 deg
i 16.64905055066673 5.5331e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2002-09-05  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:28:48  

Additional Information
 Jupiter MOID = 1.89441 au 
 T_jup = 3.125 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.055568926276587E-15 -6.426767890436294E-15 3.821322922525018E-13 -3.421346973465704E-15 7.354775210802472E-14 -5.677156653836863E-15
q -6.426767890436294E-15 2.146302684201569E-14 -3.071777128437072E-12 1.149917192218403E-14 -4.711762386714841E-13 2.280810587890593E-14
tp 3.821322922525018E-13 -3.071777128437072E-12 2.635692180376222E-8 5.002228568200088E-12 4.842360094240767E-9 5.465495334737195E-12
node -3.421346973465704E-15 1.149917192218403E-14 5.002228568200088E-12 3.171567415095416E-10 -3.022340285442978E-10 -2.064159355840515E-12
peri 7.354775210802472E-14 -4.711762386714841E-13 4.842360094240767E-9 -3.022340285442978E-10 1.202844100678061E-9 3.327359919982594E-12
i -5.677156653836863E-15 2.280810587890593E-14 5.465495334737195E-12 -2.064159355840515E-12 3.327359919982594E-12 3.061559734986017E-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 15.8   n/a MPO455715  

376549 (2013 KJ2)          Discovered 2002-Sep-05 by CINEOS at Campo Imperatore
Reference: Last Updated: 2013-10-21

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