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JPL Small-Body Database Browser
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27232 (1999 JE122)
Classification: Main-belt Asteroid          SPK-ID: 2027232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02174618123396414 3.4239e-08  
a 2.891575458555704 1.7736e-08 au
q 2.828694734582268 9.7803e-08 au
i 3.05835324618305 4.6364e-06 deg
node 132.8229506452257 9.6434e-05 deg
peri 325.7236174840108 0.00017123 deg
M 246.5442692453034 0.00014161 deg
tp 2459566.510071073116
(2021-Dec-18.01007107)
0.00070754 TDB
period 1795.974731561868
4.92
1.6524e-05
4.524e-08
d
yr
n .2004482544623143 1.8442e-09 deg/d
Q 2.954456182529139 1.8121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      8382 days (22.95 yr)  
   first obs. used      1995-07-24  
   last obs. used      2018-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56651  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 18:33:06  

Additional Information
 Earth MOID = 1.84622 au 
 Jupiter MOID = 2.06111 au 
 T_jup = 3.288 
[ 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 14.0   n/a MPO474122  
diameter diameter 4.534 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.259   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27232 (1999 JE122)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JE122 = 1998 FE17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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