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172096 (2002 EP90)
Classification: Main-belt Asteroid          SPK-ID: 2172096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372041494952592 3.7118e-08  
a 2.34033467684122 1.0215e-08 au
q 1.785197580286836 8.8934e-08 au
i 5.668071825070324 4.7343e-06 deg
node 12.46653212055274 3.8287e-05 deg
peri 297.1638602336757 3.9472e-05 deg
M 277.3066001255122 1.2595e-05 deg
tp 2459300.888792780301
(2021-Mar-27.38879278)
4.6978e-05 TDB
period 1307.72184436779
3.58
8.5619e-06
2.344e-08
d
yr
n .275287899755196 1.8024e-09 deg/d
Q 2.895471773395604 1.2638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      21761 days (59.58 yr)  
   first obs. used      1960-09-29  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55595  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:15:37  

Additional Information
 Earth MOID = .779809 au 
 Jupiter MOID = 2.40554 au 
 T_jup = 3.520 
[ 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 16.0   n/a MPO433104  
diameter diameter 1.512 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.444   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172096 (2002 EP90)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 EP90 = 2003 OU22 = 5033 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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