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JPL Small-Body Database Browser
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(2018 AJ)
Classification: Apollo [NEO]          SPK-ID: 3796293
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3062655832809903 4.0061e-07  
a 1.42081684685805 8.0121e-07 au
q .9856695465196117 3.5023e-08 au
i 5.668309792951494 7.6918e-06 deg
node 303.6096484163851 4.9155e-06 deg
peri 195.3657871684375 2.7683e-05 deg
M 131.874040871063 0.00041559 deg
tp 2458773.898705222125
(2019-Oct-17.39870522)
0.00052259 TDB
period 618.5938155925207
1.69
0.00052324
1.433e-06
d
yr
n .5819650810042024 4.9226e-07 deg/d
Q 1.855964147196488 1.0466e-06 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      22 days  
   first obs. used      2018-01-05  
   last obs. used      2018-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .34525  
   source      ORB  
   producer      Giorgini  
   solution date      2018-Apr-02 23:33:32  

Additional Information
 Earth MOID = .00810825 au 
 Jupiter MOID = 3.17735 au 
 T_jup = 4.652 
[ 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 24.5   n/a MPO438048  
rotation period rot_per 0.6722 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Pravec, P. (2018) Minor Planet Bull. 45, 259-262.]

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