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52060 (2002 QJ7)
Classification: Main-belt Asteroid          SPK-ID: 2052060
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114495259647721 3.2662e-08  
a 2.448596337974581 1.0187e-08 au
q 2.168243664485723 7.9087e-08 au
i 12.35911374453249 5.3612e-06 deg
node 338.7227293585787 1.7048e-05 deg
peri 105.3489560196444 3.306e-05 deg
M 170.65676322483 2.6956e-05 deg
tp 2458537.069820297378
(2019-Feb-22.56982030)
0.00010427 TDB
period 1399.504245713915
3.83
8.734e-06
2.391e-08
d
yr
n .2572339463081492 1.6053e-09 deg/d
Q 2.72894901146344 1.1354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1532  
   data-arc span      13438 days (36.79 yr)  
   first obs. used      1983-09-12  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:42:48  

Additional Information
 Earth MOID = 1.22138 au 
 Jupiter MOID = 2.46761 au 
 T_jup = 3.456 
[ 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 14.41   n/a E2021B10  
diameter diameter 5.080 km 1.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.898 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 0.119   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

52060 (2002 QJ7)          Discovered 2002-Aug-16 by NEAT at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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