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227992 (2007 JM17)
Classification: Main-belt Asteroid          SPK-ID: 2227992
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594333012567777 4.4138e-08  
a 3.128219026222409 2.9519e-08 au
q 2.629476739817508 1.3327e-07 au
i 6.013279647594745 4.6682e-06 deg
node 66.47940902663046 5.0179e-05 deg
peri 249.3952849937996 5.2943e-05 deg
M 103.4788064310714 1.5422e-05 deg
tp 2458619.611115036811
(2019-May-16.11111504)
8.6446e-05 TDB
period 2020.896894728348
5.53
2.8605e-05
7.832e-08
d
yr
n .1781387268885837 2.5215e-09 deg/d
Q 3.62696131262731 3.4225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      6779 days (18.56 yr)  
   first obs. used      2002-07-12  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62202  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:56  

Additional Information
 Earth MOID = 1.62161 au 
 Jupiter MOID = 1.69146 au 
 T_jup = 3.186 
[ 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 15.9   n/a MPO450054  

227992 (2007 JM17)          Discovered 2007-May-07 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 JM17 = 2006 DA144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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