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376971 (2002 KA1)
Classification: Mars-crossing Asteroid          SPK-ID: 2376971
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3104620610507022 1.0577e-07  
a 2.140371281043233 1.5265e-08 au
q 1.475867201716819 2.1968e-07 au
i 5.345593960423987 9.3067e-06 deg
node 335.7858063269526 8.8998e-05 deg
peri 330.5613807984289 9.0468e-05 deg
M 228.894658084184 2.4416e-05 deg
tp 2459417.033548552442
(2021-Jul-21.53354855)
8.0009e-05 TDB
period 1143.752613643803
3.13
1.2236e-05
3.35e-08
d
yr
n .3147533791010109 3.3673e-09 deg/d
Q 2.804875360369647 2.0005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1996-09-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:50:09  

Additional Information
 Earth MOID = .464371 au 
 Jupiter MOID = 2.47445 au 
 T_jup = 3.645 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3108507124551369 1.059e-07  
q 1.47497095185508 2.2004e-07 au
tp 2457129.599192555959
(2015-Apr-17.09919256)
6.9084e-05 TDB
node 335.8288512178893 8.8938e-05 deg
peri 330.5657709169761 9.0405e-05 deg
i 5.348051015530182 9.3101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      8545 days (23.39 yr)  
   first obs. used      1996-09-10  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:50:09  

Additional Information
 Jupiter MOID = 2.47445 au 
 T_jup = 3.645 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.121551285610277E-14 -2.328738582360144E-14 4.917771133932056E-12 2.737237024952133E-13 7.47273245658047E-13 -2.429270973507555E-14
q -2.328738582360144E-14 4.841639942631481E-14 -1.030837611451552E-11 -5.676785685481991E-13 -1.578591912756838E-12 5.046480320226807E-14
tp 4.917771133932056E-12 -1.030837611451552E-11 4.772531195568622E-9 1.947885723590174E-10 1.158965274364091E-9 -2.117281173602124E-11
node 2.737237024952133E-13 -5.676785685481991E-13 1.947885723590174E-10 7.909961582032825E-9 -7.823410251416032E-9 4.623215897210167E-10
peri 7.47273245658047E-13 -1.578591912756838E-12 1.158965274364091E-9 -7.823410251416032E-9 8.173111911249659E-9 -4.660864882769619E-10
i -2.429270973507555E-14 5.046480320226807E-14 -2.117281173602124E-11 4.623215897210167E-10 -4.660864882769619E-10 8.667786424118824E-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 17.6   n/a MPO353291  

376971 (2002 KA1)          Discovered 2002-May-17 by LINEAR at Socorro
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2002 KA1 = 2005 ED162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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