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117934 (4809 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117934
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 .1643040088625709 4.1157e-08  
a 2.340663875259061 8.7573e-09 au
q 1.956083417154197 9.5788e-08 au
i 3.179951056348685 4.6358e-06 deg
node 42.38044213236139 7.8947e-05 deg
peri 6.124274244315296 8.0269e-05 deg
M 206.830342638982 1.4821e-05 deg
tp 2459557.015475548495
(2021-Dec-08.51547555)
5.5486e-05 TDB
period 1307.997776121204
3.58
7.3405e-06
2.01e-08
d
yr
n .2752298257475332 1.5446e-09 deg/d
Q 2.725244333363926 1.0196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      21339 days (58.42 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:09:08  

Additional Information
 Earth MOID = .966162 au 
 Jupiter MOID = 2.64631 au 
 T_jup = 3.544 
[ 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 16.9   n/a MPO417614  
diameter diameter 2.267 km 0.654 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117934 (4809 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
 4809 P-L = 1996 VP12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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