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35568 (1998 GD9)
Classification: Main-belt Asteroid          SPK-ID: 2035568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812913399687455 4.5319e-08  
a 2.529970781901207 1.1308e-08 au
q 2.071308988768563 1.1519e-07 au
i 14.24054772346016 6.9118e-06 deg
node 147.4300989280858 2.317e-05 deg
peri 152.1610348629978 3.51e-05 deg
M 6.260764988588113 2.4993e-05 deg
tp 2458574.937896647453
(2019-Apr-01.43789665)
0.00010205 TDB
period 1469.845493911765
4.02
9.8544e-06
2.698e-08
d
yr
n .2449237021790067 1.6421e-09 deg/d
Q 2.988632575033852 1.3358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      7864 days (21.53 yr)  
   first obs. used      1998-03-08  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:52  

Additional Information
 Earth MOID = 1.06566 au 
 Jupiter MOID = 2.32458 au 
 T_jup = 3.386 
[ 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 13.7   n/a MPO452667  
diameter diameter 5.018 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35568 (1998 GD9)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 GD9 = 1999 SJ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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