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190703 (2001 FW123)
Classification: Main-belt Asteroid          SPK-ID: 2190703
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06470987838947748 4.0465e-08  
a 2.908493550536584 2.2164e-08 au
q 2.720285286584782 1.2047e-07 au
i 12.73248267689207 4.6872e-06 deg
node 358.9063996847687 2.0472e-05 deg
peri 132.5543925294338 4.9483e-05 deg
M 45.27619514476528 4.2067e-05 deg
tp 2458972.640045215285
(2020-May-03.14004522)
0.00021229 TDB
period 1811.759655603071
4.96
2.071e-05
5.67e-08
d
yr
n .1987018525810857 2.2713e-09 deg/d
Q 3.096701814488386 2.3598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      14587 days (39.94 yr)  
   first obs. used      1981-03-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:47  

Additional Information
 Earth MOID = 1.74858 au 
 Jupiter MOID = 1.92066 au 
 T_jup = 3.244 
[ 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 15.17   n/a E2021B55  

190703 (2001 FW123)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 FW123 = 1981 EW43 = 1998 SF89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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