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72553 (2001 EY2)
Classification: Main-belt Asteroid          SPK-ID: 2072553
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04870069575454178 3.5742e-08  
a 2.667823677628016 1.2528e-08 au
q 2.537898808377092 9.4966e-08 au
i 2.834566774010217 3.8219e-06 deg
node 123.64790286 8.4167e-05 deg
peri 184.3373340824527 9.6745e-05 deg
M 58.05149355701566 4.6266e-05 deg
tp 2458943.847790173425
(2020-Apr-04.34779017)
0.00020512 TDB
period 1591.600661347683
4.36
1.1211e-05
3.069e-08
d
yr
n .2261873903062915 1.5933e-09 deg/d
Q 2.797748546878941 1.3139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      10493 days (28.73 yr)  
   first obs. used      1992-02-26  
   last obs. used      2020-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:43  

Additional Information
 Earth MOID = 1.52101 au 
 Jupiter MOID = 2.31291 au 
 T_jup = 3.379 
[ 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 15.68   n/a E2021B10  

72553 (2001 EY2)          Discovered 2001-Mar-03 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EY2 = 1999 XV67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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