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201198 (2002 PD123)
Classification: Main-belt Asteroid          SPK-ID: 2201198
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07074736638313871 8.0983e-08  
a 2.976428344689602 2.9414e-08 au
q 2.765853878074687 2.3373e-07 au
i 9.121449800482203 5.9703e-06 deg
node 271.2160900862642 4.309e-05 deg
peri 88.82951068398654 6.0246e-05 deg
M 132.7537678253189 4.2939e-05 deg
tp 2458308.850719097627
(2018-Jul-09.35071910)
0.00022203 TDB
period 1875.605831786914
5.14
2.7803e-05
7.612e-08
d
yr
n .1919379828633948 2.8452e-09 deg/d
Q 3.187002811304516 3.1495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6426 days (17.59 yr)  
   first obs. used      2002-07-12  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:07:02  

Additional Information
 Earth MOID = 1.78174 au 
 Jupiter MOID = 2.17518 au 
 T_jup = 3.238 
[ 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 15.4   n/a MPO413035  
diameter diameter 5.423 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.386 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 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201198 (2002 PD123)          Discovered 2002-Aug-15 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2002 PD123 = 2003 XL38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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