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15730 (1990 UA1)
Classification: Main-belt Asteroid          SPK-ID: 2015730
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291430276280023 3.1694e-08  
a 2.672357833672339 1.1399e-08 au
q 2.327241452126483 8.5814e-08 au
i 12.07609683341201 3.8461e-06 deg
node 236.572168786133 1.8347e-05 deg
peri 221.3010567721914 2.5106e-05 deg
M 234.4159008859951 1.8635e-05 deg
tp 2459557.137545523047
(2021-Dec-08.63754552)
8.4262e-05 TDB
period 1595.6599426364
4.37
1.021e-05
2.795e-08
d
yr
n .2256119805860368 1.4436e-09 deg/d
Q 3.017474215218194 1.2872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2134  
   data-arc span      25132 days (68.81 yr)  
   first obs. used      1951-12-01  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:41:26  

Additional Information
 Earth MOID = 1.35757 au 
 Jupiter MOID = 2.26018 au 
 T_jup = 3.337 
[ 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 12.6   n/a MPO449065  
diameter diameter 8.357 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15730 (1990 UA1)          Discovered 1990-Oct-20 by Sugie, A. at Dynic
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 UA1 = 1981 UG13 = 1998 QP65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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