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181291 (2006 PR1)
Classification: Main-belt Asteroid          SPK-ID: 2181291
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2328033083481973 6.0673e-08  
a 3.162258259658475 2.9495e-08 au
q 2.426074074958569 1.8445e-07 au
i 16.82657794531477 5.9102e-06 deg
node 315.450685155178 1.5458e-05 deg
peri 1.282732361064679 2.124e-05 deg
M 192.7038390797237 2.0936e-05 deg
tp 2460155.004333557162
(2023-Jul-29.50433356)
0.00012948 TDB
period 2053.971580640924
5.62
2.8736e-05
7.867e-08
d
yr
n .1752701952612534 2.4521e-09 deg/d
Q 3.898442444358381 3.6361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      9300 days (25.46 yr)  
   first obs. used      1995-10-17  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:25  

Additional Information
 Earth MOID = 1.41065 au 
 Jupiter MOID = 1.42579 au 
 T_jup = 3.097 
[ 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 14.65   n/a MPCxxxxx  
diameter diameter 8.208 km 0.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181291 (2006 PR1)          Discovered 2006-Aug-11 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 PR1 = 2001 QP199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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