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117929 (4742 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117929
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1624210876191865 5.153e-08  
a 2.369233035165494 9.9332e-09 au
q 1.984419628770609 1.1814e-07 au
i 2.974104057751122 3.9581e-06 deg
node 15.57385062265107 8.5511e-05 deg
peri 36.30046502809302 8.7198e-05 deg
M 93.63853152745645 1.4165e-05 deg
tp 2458654.032749379092
(2019-Jun-19.53274938)
5.207e-05 TDB
period 1332.018007853469
3.65
8.3769e-06
2.293e-08
d
yr
n .2702666164252056 1.6997e-09 deg/d
Q 2.75404644156038 1.1547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      21683 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:52:06  

Additional Information
 Earth MOID = .996069 au 
 Jupiter MOID = 2.60675 au 
 T_jup = 3.526 
[ 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 16.4   n/a MPO359565  
diameter diameter 2.937 km 0.322 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.062   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117929 (4742 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 4742 P-L = 2000 QU198 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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