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(2019 EA2)
Classification: Aten [NEO]          SPK-ID: 3838930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 .1980622279603058 1.2714e-05  
a .8415460608161835 6.1704e-06 au
q .6748675730797113 1.5647e-05 au
i 6.532202516854861 0.00089534 deg
node .3481112697905241 8.3437e-05 deg
peri 341.894375696141 0.0017132 deg
M 43.7448393823199 0.0090946 deg
tp 2458966.235879434510
(2020-Apr-26.73587943)
0.0067468 TDB
period 281.978024785291
0.77
0.0031013
8.491e-06
d
yr
n 1.27669523280801 1.4041e-05 deg/d
Q 1.008224548552656 7.3925e-06 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      12 days  
   first obs. used      2019-03-09  
   last obs. used      2019-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .31345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-15 10:26:50  

Additional Information
 Earth MOID = .000207616 au 
 Jupiter MOID = 4.24503 au 
 T_jup = 6.966 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.8   .39365 MPO477912 autocmod 2.6q
rotation period rot_per 0.02882 h n/a LCDB (Rev. 2019-August); 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:
[Carbognani, A.; Buzzi, L. (2019) Minor Planet Bull. 46, 321.]

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