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249972 (2001 UV197)
Classification: Main-belt Asteroid          SPK-ID: 2249972
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583428592613647 5.3364e-08  
a 2.764126540493218 2.2295e-08 au
q 2.554510978085433 1.5507e-07 au
i 3.794132510308869 5.94e-06 deg
node 2.037344796076445 6.6467e-05 deg
peri 2.78173976916089 7.3872e-05 deg
M 30.90260775305899 3.1307e-05 deg
tp 2458856.411958939317
(2020-Jan-07.91195894)
0.00014575 TDB
period 1678.55396529476
4.60
2.0309e-05
5.56e-08
d
yr
n .2144703163813877 2.5949e-09 deg/d
Q 2.973742102901003 2.3986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6612 days (18.10 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:13:59  

Additional Information
 Earth MOID = 1.55224 au 
 Jupiter MOID = 2.40012 au 
 T_jup = 3.333 
[ 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 16.6   n/a MPO450109  
diameter diameter 2.712 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249972 (2001 UV197)          Discovered 2001-Oct-19 by NEAT at Palomar
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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