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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294047652058864 2.9695e-08  
a 2.671231050635612 1.0802e-08 au
q 2.325561023717437 8.1224e-08 au
i 12.07679829585482 3.4208e-06 deg
node 236.5551635270289 1.8113e-05 deg
peri 221.4861107284351 2.4681e-05 deg
M 279.3958866106001 1.8491e-05 deg
tp 2459557.542827338879
(2021-Dec-09.04282734)
8.3005e-05 TDB
period 1594.650848909404
4.37
9.673e-06
2.648e-08
d
yr
n .2257547476591552 1.3694e-09 deg/d
Q 3.016901077553786 1.22e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2508  
   data-arc span      25276 days (69.20 yr)  
   first obs. used      1951-12-01  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4073  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:07:27  

Additional Information
 Earth MOID = 1.35574 au 
 Jupiter MOID = 2.26073 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 12.69   n/a E2021B10  
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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