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123257 (2000 UT73)
Classification: Main-belt Asteroid          SPK-ID: 2123257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849419562432402 6.0631e-08  
a 2.64247474059693 1.3242e-08 au
q 2.153770292747585 1.6277e-07 au
i 3.733136052914123 6.5051e-06 deg
node 35.55166468050735 6.9642e-05 deg
peri 357.9691649197326 7.1017e-05 deg
M 206.3979637852441 1.3093e-05 deg
tp 2459669.936157790598
(2022-Mar-31.43615779)
5.9171e-05 TDB
period 1568.970195601247
4.30
1.1794e-05
3.229e-08
d
yr
n .2294498652742374 1.7247e-09 deg/d
Q 3.131179188446275 1.5691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7170 days (19.63 yr)  
   first obs. used      2000-09-06  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:58:21  

Additional Information
 Earth MOID = 1.16009 au 
 Jupiter MOID = 2.30492 au 
 T_jup = 3.367 
[ 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 15.6   n/a MPO325331  
diameter diameter 2.499 km 0.686 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.15 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.215   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123257 (2000 UT73)          Discovered 2000-Oct-26 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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