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43778 (1989 SY3)
Classification: Main-belt Asteroid          SPK-ID: 2043778
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019276168841063 3.2377e-08  
a 2.388384772025247 8.9676e-09 au
q 1.906103926807899 7.8456e-08 au
i 3.36569699149492 3.6502e-06 deg
node 106.700450133437 6.7924e-05 deg
peri 200.6790415299948 6.8752e-05 deg
M 212.124832706126 1.3133e-05 deg
tp 2459754.293195649503
(2022-Jun-23.79319565)
5.0849e-05 TDB
period 1348.201689859257
3.69
7.593e-06
2.079e-08
d
yr
n .267022362238384 1.5039e-09 deg/d
Q 2.870665617242594 1.0778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1243  
   data-arc span      11500 days (31.49 yr)  
   first obs. used      1989-09-26  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:54  

Additional Information
 Earth MOID = .889679 au 
 Jupiter MOID = 2.38347 au 
 T_jup = 3.503 
[ 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 15.19   n/a MPCxxxxx  
diameter diameter 2.525 km 0.676 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43778 (1989 SY3)          Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SY3 = 1996 ND1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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