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135684 (2002 OK4)
Classification: Main-belt Asteroid          SPK-ID: 2135684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07768709892299222 3.6063e-08  
a 2.377548424218444 1.3846e-08 au
q 2.192843584591982 8.7522e-08 au
i 5.529736180531057 4.4776e-06 deg
node 298.1236361118285 4.5099e-05 deg
peri 299.9873136565725 5.4891e-05 deg
M 65.75365429817951 3.2585e-05 deg
tp 2458955.926230736870
(2020-Apr-16.42623074)
0.00012081 TDB
period 1339.036710194899
3.67
1.1697e-05
3.202e-08
d
yr
n .2688499854104832 2.3485e-09 deg/d
Q 2.562253263844907 1.4921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      485  
   data-arc span      7029 days (19.24 yr)  
   first obs. used      2001-03-14  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:14:07  

Additional Information
 Earth MOID = 1.18497 au 
 Jupiter MOID = 2.46006 au 
 T_jup = 3.530 
[ 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 16.27   n/a E2021B55  

135684 (2002 OK4)          Discovered 2002-Jul-18 by Needville at Needville
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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