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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146806694432877 3.2768e-08  
a 2.448306523998788 1.0801e-08 au
q 2.167533092824239 7.9206e-08 au
i 12.35917447307717 5.8946e-06 deg
node 338.7268507772883 1.7197e-05 deg
peri 105.3640983233163 3.4855e-05 deg
M 119.1711975243406 2.8547e-05 deg
tp 2458537.302811822516
(2019-Feb-22.80281182)
0.00011075 TDB
period 1399.255786699933
3.83
9.2593e-06
2.535e-08
d
yr
n .257279622083279 1.7025e-09 deg/d
Q 2.729079955173339 1.2039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      13378 days (36.63 yr)  
   first obs. used      1983-09-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:18:12  

Additional Information
 Earth MOID = 1.22093 au 
 Jupiter MOID = 2.4681 au 
 T_jup = 3.457 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456771.5 (2014-Apr-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138980297957273 3.2564e-08  
q 2.170092890283797 7.8589e-08 au
tp 2457139.052708223165
(2015-Apr-26.55270822)
0.00011168 TDB
node 338.7520354906437 1.7188e-05 deg
peri 105.7512966553825 3.5025e-05 deg
i 12.36169693142929 5.8938e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1436  
   data-arc span      13378 days (36.63 yr)  
   first obs. used      1983-09-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:18:12  

Additional Information
 Jupiter MOID = 2.4681 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.060411034826159E-15 -2.540543464840397E-15 -1.091480866202994E-12 -4.781005226572124E-16 -3.372708735109808E-13 -4.398596436073531E-15
q -2.540543464840397E-15 6.176193203156811E-15 2.614374191465801E-12 1.791495325069206E-15 8.004798702775689E-13 1.12155049313449E-14
tp -1.091480866202994E-12 2.614374191465801E-12 1.247348106173333E-8 3.774739319795271E-12 3.414636444586132E-9 1.755889356820358E-11
node -4.781005226572124E-16 1.791495325069206E-15 3.774739319795271E-12 2.954122425622978E-10 -2.871315187910651E-10 3.841888883130256E-11
peri -3.372708735109808E-13 8.004798702775689E-13 3.414636444586132E-9 -2.871315187910651E-10 1.226752492240342E-9 -3.262317837981463E-11
i -4.398596436073531E-15 1.12155049313449E-14 1.755889356820358E-11 3.841888883130256E-11 -3.262317837981463E-11 3.473746182154673E-11

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 14.4   n/a MPO412526  
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. 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:
[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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