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JPL Small-Body Database Browser
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52709 (1998 FA84)
Classification: Main-belt Asteroid          SPK-ID: 2052709
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105727436126894 3.9432e-08  
a 3.068211951996282 2.22e-08 au
q 2.743817768817822 1.2354e-07 au
i 12.36780532728961 5.1686e-06 deg
node 144.1144932143731 2.3645e-05 deg
peri 301.0901933441595 3.6006e-05 deg
M 44.85952030394005 2.6331e-05 deg
tp 2458355.887533157246
(2018-Aug-25.38753316)
0.00014341 TDB
period 1963.027858228277
5.37
2.1305e-05
5.833e-08
d
yr
n .1833901635634028 1.9904e-09 deg/d
Q 3.392606135174741 2.4547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1995-07-22  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54446  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:07:20  

Additional Information
 Earth MOID = 1.7843 au 
 Jupiter MOID = 1.81717 au 
 T_jup = 3.188 
[ 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 14.3   n/a MPO299313  
diameter diameter 4.756 km 1.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.003 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.196   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52709 (1998 FA84)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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