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117129 (2004 PL51)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375301011875791 7.2368e-08  
a 3.221665421598475 3.5136e-08 au
q 2.778589450173512 2.4393e-07 au
i 8.600131874377661 6.1641e-06 deg
node 113.0994784906352 4.6622e-05 deg
peri 177.0114764579089 5.7171e-05 deg
M 325.5465368951398 3.939e-05 deg
tp 2459402.638696843800
(2021-Jul-07.13869684)
0.00023225 TDB
period 2112.122390782331
5.78
3.4553e-05
9.46e-08
d
yr
n .1704446681551706 2.7884e-09 deg/d
Q 3.664741393023438 3.9968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      381  
   data-arc span      8941 days (24.48 yr)  
   first obs. used      1996-01-16  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:17  

Additional Information
 Earth MOID = 1.76041 au 
 Jupiter MOID = 1.52666 au 
 T_jup = 3.156 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.91   n/a E2021B55  
diameter diameter 6.135 km 0.263 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117129 (2004 PL51)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 PL51 = 1996 BH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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