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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457476.5 (2016-Mar-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361430073844956 7.2405e-08  
q 2.785644943306744 2.4413e-07 au
tp 2457287.863738740672
(2015-Sep-22.36373874)
0.00022374 TDB
node 113.1166693049174 4.6631e-05 deg
peri 176.8403240833255 5.7326e-05 deg
i 8.596774477085196 6.1612e-06 deg
  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
 Jupiter MOID = 1.52666 au 
 T_jup = 3.156 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.242472744444505E-15 -1.754790815886691E-14 -6.08192230220233E-12 -6.680719088064874E-15 -6.679334712356469E-13 -6.282358530366465E-15
q -1.754790815886691E-14 5.959808350833567E-14 2.110317255533419E-11 4.360654236164392E-14 2.345796563247802E-12 2.647593417814428E-14
tp -6.08192230220233E-12 2.110317255533419E-11 5.005916396344626E-8 5.449726870740254E-12 7.516440967426828E-9 4.188611497356318E-11
node -6.680719088064874E-15 4.360654236164392E-14 5.449726870740254E-12 2.174439948676447E-9 -2.14803526699285E-9 6.160989919914885E-11
peri -6.679334712356469E-13 2.345796563247802E-12 7.516440967426828E-9 -2.14803526699285E-9 3.286240324517285E-9 -5.443899211486858E-11
i -6.282358530366465E-15 2.647593417814428E-14 4.188611497356318E-11 6.160989919914885E-11 -5.443899211486858E-11 3.796051026432259E-11

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

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