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43655 (2002 EC99)
Classification: Main-belt Asteroid          SPK-ID: 2043655
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04432035100772201 5.3741e-08  
a 2.666583066214801 1.6152e-08 au
q 2.548399168728913 1.4684e-07 au
i 2.225938160806405 4.7354e-06 deg
node 293.6619871974174 0.0001412 deg
peri 293.4767240678084 0.00015549 deg
M 71.73527639741685 6.6942e-05 deg
tp 2458883.571440002933
(2020-Feb-04.07144000)
0.00029528 TDB
period 1590.490583278113
4.35
1.445e-05
3.956e-08
d
yr
n .2263452571080394 2.0565e-09 deg/d
Q 2.784766963700688 1.6867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      680  
   data-arc span      9950 days (27.24 yr)  
   first obs. used      1993-03-25  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57051  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:21:31  

Additional Information
 Earth MOID = 1.53785 au 
 Jupiter MOID = 2.19497 au 
 T_jup = 3.381 
[ 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 15.41   n/a E2021B10  

43655 (2002 EC99)          Discovered 2002-Mar-15 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 EC99 = 1997 AK16 = 1998 KB58 = 1999 TR128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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