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146627 (2001 UD12)
Classification: Main-belt Asteroid          SPK-ID: 2146627
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2854766259749373 5.837e-08  
a 3.148419778549692 2.8505e-08 au
q 2.249619523016567 1.8755e-07 au
i 26.14732496371938 5.4883e-06 deg
node 107.7362201379512 1.3532e-05 deg
peri 270.894186543433 1.6102e-05 deg
M 169.0270305580586 8.5947e-06 deg
tp 2458042.443689091507
(2017-Oct-15.94368909)
4.5856e-05 TDB
period 2040.503644821404
5.59
2.7711e-05
7.587e-08
d
yr
n .1764270310977608 2.396e-09 deg/d
Q 4.047220034082817 3.6642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      7625 days (20.88 yr)  
   first obs. used      1999-06-14  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:00  

Additional Information
 Earth MOID = 1.42349 au 
 Jupiter MOID = 2.10727 au 
 T_jup = 2.991 
[ 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 13.8   n/a MPO385653  
diameter diameter 10.152 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146627 (2001 UD12)          Discovered 2001-Oct-23 by Yeung, W. K. Y. at Desert Eagle
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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