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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2372041658309942 3.959e-08  
a 2.340334680667141 1.0958e-08 au
q 1.785197544974146 9.3612e-08 au
i 5.668071399612522 4.7546e-06 deg
node 12.46650444720618 4.5309e-05 deg
peri 297.1638822737195 4.628e-05 deg
M 277.3066041906212 1.2843e-05 deg
tp 2459300.888778750148
(2021-Mar-27.38877875)
4.7938e-05 TDB
period 1307.721847574537
3.58
9.1843e-06
2.515e-08
d
yr
n .2752878990801451 1.9334e-09 deg/d
Q 2.895471816360137 1.3557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      21676 days (59.35 yr)  
   first obs. used      1960-09-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:43:48  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2016-Apr-06 07:01 < 00:01 Europ 0.0424024098137859 0.0424013384442998 0.0424034811915524 5.52271298264297 5.52271293725626 2457484.792594771 0.505860569213822 69.8096174711292 40.2589749976676 -52.0223331378975 136154.575870963 T 14 CATAB v2.0f-lin.ifort 2020-Feb-24 16:44:05 2020-Feb-24 16:44

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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