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72568 (2001 EZ12)
Classification: Main-belt Asteroid          SPK-ID: 2072568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1988476163601122 3.4618e-08  
a 2.443445018337358 1.0804e-08 au
q 1.957571800733984 8.4067e-08 au
i 15.70456173101159 3.7996e-06 deg
node 70.59620969204204 1.8093e-05 deg
peri 352.5584424858923 2.2604e-05 deg
M 160.3167486570354 1.6215e-05 deg
tp 2458579.232437037855
(2019-Apr-05.73243704)
6.0287e-05 TDB
period 1395.09018577241
3.82
9.2526e-06
2.533e-08
d
yr
n .2580478335174305 1.7114e-09 deg/d
Q 2.929318235940733 1.2952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2519  
   data-arc span      11724 days (32.10 yr)  
   first obs. used      1988-12-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:47  

Additional Information
 Earth MOID = .971538 au 
 Jupiter MOID = 2.4029 au 
 T_jup = 3.423 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.23   n/a E2021B10  
diameter diameter 3.818 km 0.835 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.8907 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.185   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

72568 (2001 EZ12)          Discovered 2001-Mar-05 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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