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192517 (1998 RF20)
Classification: Main-belt Asteroid          SPK-ID: 2192517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527450500090958 5.888e-08  
a 2.859764692906659 2.0972e-08 au
q 2.422949791874385 1.6325e-07 au
i 15.72742076853793 5.2697e-06 deg
node 157.3374423644579 1.8663e-05 deg
peri 218.8076383169999 2.5005e-05 deg
M 188.9939356653765 2.0359e-05 deg
tp 2460039.579069660615
(2023-Apr-05.07906966)
0.0001048 TDB
period 1766.419607708975
4.84
1.9431e-05
5.32e-08
d
yr
n .2038020855457529 2.2419e-09 deg/d
Q 3.296579593938933 2.4176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      8281 days (22.67 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:19:56  

Additional Information
 Earth MOID = 1.43922 au 
 Jupiter MOID = 2.20687 au 
 T_jup = 3.230 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.04   n/a E2021B55  
rotation period rot_per 5.2675 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

192517 (1998 RF20)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1998 RF20 = 2002 LZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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