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120796 (1998 FF58)
Classification: Main-belt Asteroid          SPK-ID: 2120796
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588974763238605 6.7083e-08  
a 2.555374210659402 1.379e-08 au
q 1.893794276456606 1.7806e-07 au
i 1.278969133881157 3.3305e-06 deg
node 220.8479177244512 0.00027819 deg
peri 256.8571075696248 0.00027823 deg
M 244.2774913155552 9.8239e-06 deg
tp 2459680.118059088883
(2022-Apr-10.61805909)
4.3785e-05 TDB
period 1492.03904439039
4.08
1.2078e-05
3.307e-08
d
yr
n .241280549160888 1.9531e-09 deg/d
Q 3.216954144862198 1.736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:41  

Additional Information
 Earth MOID = .910394 au 
 Jupiter MOID = 1.89338 au 
 T_jup = 3.390 
[ 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 16.08   n/a E2021B55  
diameter diameter 3.695 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.9701 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120796 (1998 FF58)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 FF58 = 2000 SV340 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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