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187783 (1998 SF120)
Classification: Main-belt Asteroid          SPK-ID: 2187783
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 .1590686937249425 4.4442e-08  
a 3.169649634432866 3.6048e-08 au
q 2.665457607517889 1.5416e-07 au
i 12.47806621510931 6.5068e-06 deg
node 7.275678752890981 1.926e-05 deg
peri 287.946088298295 3.4229e-05 deg
M 37.33409004927 2.3126e-05 deg
tp 2458986.743964914403
(2020-May-17.24396491)
0.00013401 TDB
period 2061.177131390127
5.64
3.5162e-05
9.627e-08
d
yr
n .174657478252344 2.9795e-09 deg/d
Q 3.673841661347844 4.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      8087 days (22.14 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-11-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51829  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:49  

Additional Information
 Earth MOID = 1.68179 au 
 Jupiter MOID = 1.79674 au 
 T_jup = 3.146 
[ 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 14.92   n/a E2021B55  

187783 (1998 SF120)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1998 SF120 = 2004 VQ24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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