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52801 (1998 QG63)
Classification: Main-belt Asteroid          SPK-ID: 2052801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08196685956566926 3.7918e-08  
a 2.155631853987895 6.9507e-09 au
q 1.978941480536786 8.3364e-08 au
i 6.449807954039151 4.6443e-06 deg
node 12.52888735865832 2.6282e-05 deg
peri 309.7638041744437 3.5899e-05 deg
M 35.44530212908101 2.296e-05 deg
tp 2459086.680546107007
(2020-Aug-25.18054611)
7.3892e-05 TDB
period 1156.00660567821
3.16
5.5912e-06
1.531e-08
d
yr
n .3114169056056509 1.5062e-09 deg/d
Q 2.332322227439004 7.5204e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      8177 days (22.39 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:13  

Additional Information
 Earth MOID = .972431 au 
 Jupiter MOID = 2.8771 au 
 T_jup = 3.689 
[ 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 15.66   n/a E2021B10  
diameter diameter 2.016 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.197 h n/a LCDB (Rev. 2020-October); 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 0.274   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52801 (1998 QG63)          Discovered 1998-Aug-24 by Broughton, J. at Reedy Creek
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QG63 = 2000 DV83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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