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52068 (2002 QX40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2052068
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2791406726888345 3.8298e-08  
a 3.951934762003468 2.5568e-08 au
q 2.848789034115431 1.4989e-07 au
i 6.375519273013134 4.17e-06 deg
node 87.2921829982172 3.9157e-05 deg
peri 299.7542344635865 3.9844e-05 deg
M 72.55991103852867 7.1688e-06 deg
tp 2458622.127922886996
(2019-May-18.62792289)
5.5284e-05 TDB
period 2869.545245860646
7.86
2.7848e-05
7.624e-08
d
yr
n .1254554185961362 1.2175e-09 deg/d
Q 5.055080489891505 3.2705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      10556 days (28.90 yr)  
   first obs. used      1992-04-28  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:16:39  

Additional Information
 Earth MOID = 1.85957 au 
 Jupiter MOID = .53517 au 
 T_jup = 2.980 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.85   n/a MPCxxxxx  
diameter diameter 15.567 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.061   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

52068 (2002 QX40)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 QX40 = 1992 HP2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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