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48284 (2002 GD60)
Classification: Main-belt Asteroid          SPK-ID: 2048284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01156323211142697 5.2287e-08  
a 2.780896930668815 1.6619e-08 au
q 2.748740773981536 1.4587e-07 au
i 1.154864272392004 4.3138e-06 deg
node 61.05513010779089 0.00028703 deg
peri 102.5018987110677 0.00035067 deg
M 18.03450970234452 0.0002002 deg
tp 2458915.644967321269
(2020-Mar-07.14496732)
0.00094195 TDB
period 1693.853188610488
4.64
1.5184e-05
4.157e-08
d
yr
n .2125331772674569 1.9052e-09 deg/d
Q 2.813053087356093 1.6811e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      10776 days (29.50 yr)  
   first obs. used      1990-11-19  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:38:07  

Additional Information
 Earth MOID = 1.75288 au 
 Jupiter MOID = 2.14549 au 
 T_jup = 3.333 
[ 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 15.5   n/a MPO426252  
diameter diameter 4.765 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.33 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.045   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48284 (2002 GD60)          Discovered 2002-Apr-08 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 GD60 = 1997 ER4 = 1999 TW282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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