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7141 Bettarini (1994 EZ1)
Classification: Main-belt Asteroid          SPK-ID: 2007141
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09449923047362389 1.1079e-08  
a 2.785795735925501 1.2732e-08 au
q 2.522540182623839 3.6935e-08 au
i 9.880855353190855 6.3363e-07 deg
node 47.45982549253345 1.7811e-06 deg
peri 155.9165542127757 1.3321e-05 deg
M 260.7917034039669 1.6303e-05 deg
tp 2459668.523675522421
(2022-Mar-30.02367552)
7.8039e-05 TDB
period 1698.33097602856
4.65
1.1643e-05
3.188e-08
d
yr
n .211972816301 1.4532e-09 deg/d
Q 3.049051289227163 1.3935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2024  
   data-arc span      10782 days (29.52 yr)  
   first obs. used      1991-09-12  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4863  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:17:44  

Additional Information
 Earth MOID = 1.52026 au 
 Jupiter MOID = 1.91746 au 
 T_jup = 3.303 
[ 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 13.56   n/a MPCxxxxx  
diameter diameter 6.771 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.184   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

7141 Bettarini (1994 EZ1)          Discovered 1994-Mar-12 by Boattini, A., Tombelli, M. at Cima Ekar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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