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43798 (1991 GW8)
Classification: Main-belt Asteroid          SPK-ID: 2043798
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2014211536138611 2.9219e-08  
a 2.32878611932087 8.5e-09 au
q 1.859719332647314 6.5673e-08 au
i 1.375414355451443 4.6122e-06 deg
node 307.2483689406347 0.00015026 deg
peri 291.9246645864279 0.00015073 deg
M 102.4253685985466 1.2554e-05 deg
tp 2458831.184217495016
(2019-Dec-13.68421749)
4.4712e-05 TDB
period 1298.054217631399
3.55
7.1067e-06
1.946e-08
d
yr
n .2773381844226071 1.5184e-09 deg/d
Q 2.797852905994426 1.0212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:22:29  

Additional Information
 Earth MOID = .846609 au 
 Jupiter MOID = 2.21564 au 
 T_jup = 3.545 
[ 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 16.5   n/a MPO431993  

43798 (1991 GW8)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 GW8 = 1994 AK12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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