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227074 (2005 JG89)
Classification: Outer Main-belt Asteroid          SPK-ID: 2227074
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487291120257437 4.7631e-08  
a 3.946754424713276 5.3345e-08 au
q 3.359757143741995 1.9879e-07 au
i 2.884536686441414 5.7949e-06 deg
node 27.24519136109695 9.7675e-05 deg
peri 121.09516733 0.00010008 deg
M 62.11476339450853 1.8493e-05 deg
tp 2458706.358967716985
(2019-Aug-10.85896772)
0.00014894 TDB
period 2863.904841624373
7.84
5.8064e-05
1.59e-07
d
yr
n .1257025005746393 2.5485e-09 deg/d
Q 4.533751705684556 6.1279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7163 days (19.61 yr)  
   first obs. used      2000-10-05  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:38:20  

Additional Information
 Earth MOID = 2.37238 au 
 Jupiter MOID = .480325 au 
 T_jup = 3.039 
[ 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 14.63   n/a E2021B55  
diameter diameter 8.318 km 0.427 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.037   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

227074 (2005 JG89)          Discovered 2005-May-11 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 JG89 = 2008 RX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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