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JPL Small-Body Database Browser
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56208 (1999 GY35)
Classification: Main-belt Asteroid          SPK-ID: 2056208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07815179032381503 4.702e-08  
a 3.000701683183298 2.1856e-08 au
q 2.766191474414838 1.4565e-07 au
i 9.438072264555016 5.6536e-06 deg
node 354.7110092174162 2.611e-05 deg
peri 323.4571179917373 4.0179e-05 deg
M 196.3817176558763 3.0201e-05 deg
tp 2459463.403018292479
(2021-Sep-05.90301829)
0.00015963 TDB
period 1898.596429046606
5.20
2.0743e-05
5.679e-08
d
yr
n .1896137559790822 2.0716e-09 deg/d
Q 3.235211891951757 2.3564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      10461 days (28.64 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:08:57  

Additional Information
 Earth MOID = 1.75968 au 
 Jupiter MOID = 2.09532 au 
 T_jup = 3.228 
[ 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 13.8   n/a MPO474444  
diameter diameter 6.167 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.664 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.185   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56208 (1999 GY35)          Discovered 1999-Apr-07 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GY35 = 1990 SS18 = 2001 SD106 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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