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JPL Small-Body Database Browser
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172202 (2002 QL34)
Classification: Main-belt Asteroid          SPK-ID: 2172202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606665969016715 5.4358e-08  
a 2.571802934650761 1.4289e-08 au
q 2.158600109238691 1.4419e-07 au
i 3.33056144661319 5.9593e-06 deg
node 81.20803940192275 7.7679e-05 deg
peri 207.4634347097372 7.9276e-05 deg
M 146.9682623577718 1.6842e-05 deg
tp 2458385.498723973894
(2018-Sep-23.99872397)
6.8028e-05 TDB
period 1506.450820180703
4.12
1.2555e-05
3.437e-08
d
yr
n .2389722884925091 1.9916e-09 deg/d
Q 2.985005760062831 1.6585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      8254 days (22.60 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:30:27  

Additional Information
 Earth MOID = 1.14292 au 
 Jupiter MOID = 2.17872 au 
 T_jup = 3.409 
[ 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 16.0   n/a MPO449894  
diameter diameter 1.732 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172202 (2002 QL34)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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