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39553 (1992 EO12)
Classification: Main-belt Asteroid          SPK-ID: 2039553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064752674845251 3.8673e-08  
a 2.783135547393703 1.4761e-08 au
q 2.486800445539268 1.0942e-07 au
i 4.496934450829615 4.7465e-06 deg
node 117.43102092823 5.126e-05 deg
peri 259.3979443953676 5.5431e-05 deg
M 165.7734219711181 2.1707e-05 deg
tp 2458219.569533911458
(2018-Apr-11.06953391)
0.0001013 TDB
period 1695.898923054481
4.64
1.3492e-05
3.694e-08
d
yr
n .2122768020582291 1.6888e-09 deg/d
Q 3.079470649248138 1.6333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      10201 days (27.93 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:29:43  

Additional Information
 Earth MOID = 1.49297 au 
 Jupiter MOID = 2.39157 au 
 T_jup = 3.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO431946  
diameter diameter 3.813 km 0.656 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39553 (1992 EO12)          Discovered 1992-Mar-06 by UESAC at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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