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35728 (1999 GA2)
Classification: Main-belt Asteroid          SPK-ID: 2035728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2085015953133849 3.2222e-08  
a 2.242771782706582 8.392e-09 au
q 1.775150288088415 7.381e-08 au
i 6.596527126336744 3.5918e-06 deg
node 106.251332932562 3.3549e-05 deg
peri 195.9622651097934 3.4868e-05 deg
M 254.6467425841024 1.1357e-05 deg
tp 2458959.522378129457
(2020-Apr-20.02237813)
3.9877e-05 TDB
period 1226.806453799322
3.36
6.8857e-06
1.885e-08
d
yr
n .2934448208069894 1.647e-09 deg/d
Q 2.710393277324748 1.0142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10387 days (28.44 yr)  
   first obs. used      1990-11-15  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53789  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:48:25  

Additional Information
 Earth MOID = .759926 au 
 Jupiter MOID = 2.51835 au 
 T_jup = 3.596 
[ 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 15.1   n/a MPO385042  
diameter diameter 3.257 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.070 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 0.181   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35728 (1999 GA2)          Discovered 1999-Apr-06 by LONEOS at Anderson Mesa
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GA2 = 1990 VL16 = 1990 WV10 = 2000 SP126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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