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390536 (1999 KK1)
Classification: Amor [NEO]          SPK-ID: 2390536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4610455627728068 6.3178e-07  
a 2.115684800391085 1.928e-07 au
q 1.140257710944904 1.2674e-06 au
i 7.103038826743957 2.5049e-05 deg
node 76.73775787526054 0.00022987 deg
peri 230.0165821635632 0.00029791 deg
M 266.0841679691796 0.00040885 deg
tp 2459293.731880483967
(2021-Mar-20.23188048)
0.0013163 TDB
period 1124.022166354075
3.08
0.00015364
4.206e-07
d
yr
n .3202783813131647 4.3779e-08 deg/d
Q 3.091111889837266 2.8168e-07 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      5430 days (14.87 yr)  
   first obs. used      1999-05-17  
   last obs. used      2014-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .55814  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:22:02  

Additional Information
 Earth MOID = .155651 au 
 Jupiter MOID = 2.21678 au 
 T_jup = 3.582 
[ show covariance matrix ]

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 18.2   n/a MPO248754  

390536 (1999 KK1)          Discovered 1999-May-17 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

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