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43789 (1990 SN9)
Classification: Main-belt Asteroid          SPK-ID: 2043789
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153183180616286 2.9901e-08  
a 2.187419397659784 5.9599e-09 au
q 1.935169871826277 6.6132e-08 au
i 5.408193198937824 4.8173e-06 deg
node 30.37694367807171 3.6408e-05 deg
peri 45.56101505224413 4.2931e-05 deg
M 59.77652878756887 2.3663e-05 deg
tp 2459004.288387587175
(2020-Jun-03.78838759)
7.7402e-05 TDB
period 1181.670831366617
3.24
4.8294e-06
1.322e-08
d
yr
n .3046533691482047 1.2451e-09 deg/d
Q 2.439668923493291 6.6472e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      11149 days (30.52 yr)  
   first obs. used      1990-09-14  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:57  

Additional Information
 Earth MOID = .953818 au 
 Jupiter MOID = 2.77603 au 
 T_jup = 3.661 
[ 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 15.48   n/a MPCxxxxx  

43789 (1990 SN9)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 SN9 = 2000 VF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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