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100073 (1992 EV31)
Classification: Main-belt Asteroid          SPK-ID: 2100073
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184578789303466 4.4699e-08  
a 2.629668668953864 1.7327e-08 au
q 2.144287609769103 1.1774e-07 au
i 33.76734180196403 4.9127e-06 deg
node 163.9296247354416 1.0655e-05 deg
peri 24.49750005177939 1.9669e-05 deg
M 255.6189758084877 1.9244e-05 deg
tp 2459652.115696500481
(2022-Mar-13.61569650)		 8.5865e-05 TDB
period 1557.578611624636
4.26		 1.5395e-05
4.215e-08		 d
yr
n .2311279811582037 2.2844e-09 deg/d
Q 3.115049728138625 2.0525e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      10549 days (28.88 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:19  

Additional Information
 Earth MOID = 1.16909 au 
 Jupiter MOID = 1.89686 au 
 T_jup = 3.140 
[ 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 15.3   n/a MPO449609  
diameter diameter 2.266 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.286   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100073 (1992 EV31)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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