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120019 (2003 AF39)
Classification: Main-belt Asteroid          SPK-ID: 2120019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302932899069233 3.4711e-08  
a 2.333735607302195 1.1441e-08 au
q 2.02966551725386 8.3696e-08 au
i 5.596175981814071 4.1568e-06 deg
node 253.5492605376487 4.8487e-05 deg
peri 133.9075617950915 5.281e-05 deg
M 23.57600685227567 2.0045e-05 deg
tp 2458915.220694667581
(2020-Mar-06.72069467)
7.2372e-05 TDB
period 1302.194646957676
3.57
9.576e-06
2.622e-08
d
yr
n .2764563660594595 2.033e-09 deg/d
Q 2.637805697350529 1.2932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      9248 days (25.32 yr)  
   first obs. used      1994-07-06  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55973  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:09:41  

Additional Information
 Earth MOID = 1.03943 au 
 Jupiter MOID = 2.79494 au 
 T_jup = 3.551 
[ 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 16.0   n/a MPO396028  
rotation period rot_per 6.266 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

120019 (2003 AF39)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2003 AF39 = 1998 SQ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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