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249969 (2001 UC170)
Classification: Main-belt Asteroid          SPK-ID: 2249969
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09134607498451962 5.1636e-08  
a 2.743747253160282 2.2567e-08 au
q 2.493116710834533 1.4176e-07 au
i 5.733628871937523 6.1071e-06 deg
node 12.89729694884623 5.0235e-05 deg
peri 8.295992623014312 6.1204e-05 deg
M 317.9965795011882 3.1874e-05 deg
tp 2458794.185334688470
(2019-Nov-06.68533469)
0.00014632 TDB
period 1660.024818450717
4.54
2.048e-05
5.607e-08
d
yr
n .2168642275697926 2.6755e-09 deg/d
Q 2.99437779548603 2.4629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6591 days (18.05 yr)  
   first obs. used      2001-10-11  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:49:26  

Additional Information
 Earth MOID = 1.49494 au 
 Jupiter MOID = 2.44853 au 
 T_jup = 3.335 
[ 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 16.4   n/a MPO302980  
diameter diameter 3.250 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249969 (2001 UC170)          Discovered 2001-Oct-21 by LINEAR at Socorro
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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