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39043 (2000 UT90)
Classification: Main-belt Asteroid          SPK-ID: 2039043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09239114949294557 5.2564e-08  
a 2.335690090488127 1.0015e-08 au
q 2.119892998168647 1.2199e-07 au
i 4.427792208792723 5.3225e-06 deg
node 32.35051221440533 5.221e-05 deg
peri 2.687149207386117 5.7689e-05 deg
M 83.81499439896733 2.3496e-05 deg
tp 2458296.942845119562
(2018-Jun-27.44284512)
8.4819e-05 TDB
period 1303.830854378771
3.57
8.3859e-06
2.296e-08
d
yr
n .2761094345873009 1.7759e-09 deg/d
Q 2.551487182807607 1.094e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      10796 days (29.56 yr)  
   first obs. used      1989-10-09  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:04:45  

Additional Information
 Earth MOID = 1.12564 au 
 Jupiter MOID = 2.78964 au 
 T_jup = 3.558 
[ 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 14.5   n/a MPO333163  
diameter diameter 3.247 km 0.406 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.523 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.201   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39043 (2000 UT90)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 UT90 = 1989 TP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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