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385816 (2006 EN28)
Classification: Main-belt Asteroid          SPK-ID: 2385816
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796305001943925 2.8581e-07  
a 2.529859208916381 2.339e-08 au
q 2.075419333797341 7.2983e-07 au
i 4.501279756415287 2.3254e-05 deg
node 164.2376691929763 7.1523e-05 deg
peri 51.99002350914464 0.00019801 deg
M 257.3925716472419 0.00016576 deg
tp 2459815.408582370502
(2022-Aug-23.90858237)
0.00067952 TDB
period 1469.74826359467
4.02
2.0383e-05
5.581e-08
d
yr
n .2449399049599977 3.3969e-09 deg/d
Q 2.984299084035421 2.7592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6392 days (17.50 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-09-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:45  

Additional Information
 Earth MOID = 1.07302 au 
 Jupiter MOID = 1.98637 au 
 T_jup = 3.424 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17953805201394 2.847e-07  
q 2.075840257882228 7.2518e-07 au
tp 2456877.117617883387
(2014-Aug-07.61761788)
0.0006645 TDB
node 164.2840061260858 7.1479e-05 deg
peri 52.1565815044685 0.00019826 deg
i 4.501503214160819 2.3254e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      6392 days (17.50 yr)  
   first obs. used      2002-03-05  
   last obs. used      2019-09-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:45  

Additional Information
 Jupiter MOID = 1.98637 au 
 T_jup = 3.424 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.10537752803208E-14 -2.063942691254203E-13 -1.861423398309558E-10 1.203427260893496E-12 -5.182876271242709E-11 -2.639172696752503E-13
q -2.063942691254203E-13 5.258820553479068E-13 4.752098997534495E-10 -3.067923157939589E-12 1.323282192227899E-10 6.724551771528076E-13
tp -1.861423398309558E-10 4.752098997534495E-10 4.415604024270686E-7 -2.833284304949192E-9 1.229433725272937E-7 6.181016486662877E-10
node 1.203427260893496E-12 -3.067923157939589E-12 -2.833284304949192E-9 5.109286456623793E-9 -5.862905552022858E-9 -9.846063740927742E-10
peri -5.182876271242709E-11 1.323282192227899E-10 1.229433725272937E-7 -5.862905552022858E-9 3.930872620834253E-8 1.149416980008146E-9
i -2.639172696752503E-13 6.724551771528076E-13 6.181016486662877E-10 -9.846063740927742E-10 1.149416980008146E-9 5.407643696698261E-10

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 17.5   n/a MPO440668  

385816 (2006 EN28)          Discovered 2006-Mar-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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