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129354 (2747 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2129354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954832306588938 1.2021e-07  
a 2.526515962731807 1.3163e-08 au
q 2.032624460025728 3.0753e-07 au
i 5.784745191910975 6.1397e-06 deg
node 30.68461323725595 0.00010812 deg
peri 76.64925380382759 0.0001111 deg
M 224.8025422255783 2.6201e-05 deg
tp 2459551.367969884172
(2021-Dec-02.86796988)
0.00010618 TDB
period 1466.835785397595
4.02
1.1463e-05
3.138e-08
d
yr
n .2454262457896197 1.918e-09 deg/d
Q 3.020407465437886 1.5736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      21051 days (57.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56692  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:08:33  

Additional Information
 Earth MOID = 1.05856 au 
 Jupiter MOID = 2.14137 au 
 T_jup = 3.419 
[ 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 15.4   n/a MPO390614  
diameter diameter 2.013 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.362   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129354 (2747 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2747 P-L = 2001 XV118 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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