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JPL Small-Body Database Browser
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17027 (1999 EF12)
Classification: Main-belt Asteroid          SPK-ID: 2017027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08856989251074485 3.4854e-08  
a 2.648555076367841 1.0806e-08 au
q 2.413972837945153 9.1955e-08 au
i 8.276642065802463 3.8197e-06 deg
node 135.2707337691041 2.2727e-05 deg
peri 212.5033986956282 3.0686e-05 deg
M 167.868028126602 2.2421e-05 deg
tp 2458266.362467483465
(2018-May-27.86246748)
9.6702e-05 TDB
period 1574.388611431309
4.31
9.6354e-06
2.638e-08
d
yr
n .2286601906201015 1.3994e-09 deg/d
Q 2.883137314790528 1.1763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2298  
   data-arc span      14828 days (40.60 yr)  
   first obs. used      1979-09-24  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46825  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:31:09  

Additional Information
 Earth MOID = 1.41051 au 
 Jupiter MOID = 2.47791 au 
 T_jup = 3.371 
[ 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 13.4   n/a MPO502299  
diameter diameter 9.845 km 2.886 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.067   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17027 (1999 EF12)          Discovered 1999-Mar-15 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 EF12 = 1979 SB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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