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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581036673174534 8.2346e-08  
a 2.557598575379241 1.6739e-08 au
q 1.897473003547964 2.1939e-07 au
i 1.278536398614455 4.2792e-06 deg
node 220.9510230870245 0.00031428 deg
peri 256.605034156836 0.00031438 deg
M 196.227261708921 1.0079e-05 deg
tp 2459680.151232274720
(2022-Apr-10.65123227)
4.6279e-05 TDB
period 1493.987620723731
4.09
1.4667e-05
4.016e-08
d
yr
n .2409658520634901 2.3656e-09 deg/d
Q 3.217724147210517 2.1059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      7298 days (19.98 yr)  
   first obs. used      1998-03-20  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54817  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:43:13  

Additional Information
 Earth MOID = .914176 au 
 Jupiter MOID = 1.89335 au 
 T_jup = 3.389 
[ 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 16.1   n/a MPO280593  
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. 2019-August); 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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