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52723 (1998 GP2)
Classification: Main-belt Asteroid          SPK-ID: 2052723
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06341227388439477 2.2339e-08  
a 3.170539925185499 2.0113e-08 au
q 2.969488779088227 7.5138e-08 au
i 17.87487234562264 5.1547e-07 deg
node 36.03360440350194 1.0098e-06 deg
peri 265.3298723564318 1.4582e-05 deg
M 246.6014845447314 1.5605e-05 deg
tp 2459850.035862903071
(2022-Sep-27.53586290)
8.97e-05 TDB
period 2062.045607090366
5.65
1.9622e-05
5.372e-08
d
yr
n .1745839174274983 1.6613e-09 deg/d
Q 3.37159107128277 2.1389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1831  
   data-arc span      14602 days (39.98 yr)  
   first obs. used      1981-03-31  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:19:39  

Additional Information
 Earth MOID = 2.02217 au 
 Jupiter MOID = 1.79757 au 
 T_jup = 3.124 
[ 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 12.72   n/a MPCxxxxx  
diameter diameter 13.250 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.90781 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.110   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52723 (1998 GP2)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 GP2 = 1981 FM1 = 2001 QC79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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