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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0919083713536024 4.8393e-08  
a 2.744929916460316 1.9413e-08 au
q 2.492647878358669 1.287e-07 au
i 5.733180950803541 5.1876e-06 deg
node 12.880978065661 4.8208e-05 deg
peri 8.432544373408234 5.7925e-05 deg
M 130.4095105600982 2.9518e-05 deg
tp 2458794.769421504498
(2019-Nov-07.26942150)
0.00013719 TDB
period 1661.098238372359
4.55
1.7622e-05
4.825e-08
d
yr
n .216724087524618 2.2992e-09 deg/d
Q 2.997211954561964 2.1198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      2001-10-11  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:27:16  

Additional Information
 Earth MOID = 1.49452 au 
 Jupiter MOID = 2.44561 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.32   n/a MPCxxxxx  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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