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15784 (1993 QZ)
Classification: Main-belt Asteroid          SPK-ID: 2015784
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580544596043602 4.003e-08  
a 2.369492503837823 8.8672e-09 au
q 1.994983646607154 9.2584e-08 au
i 21.84851898453129 4.0658e-06 deg
node 163.8565725769661 1.1143e-05 deg
peri 183.1750072883794 1.6973e-05 deg
M 111.3713573935988 1.3757e-05 deg
tp 2458588.352710895694
(2019-Apr-14.85271090)
5.0096e-05 TDB
period 1332.236829557381
3.65
7.4783e-06
2.047e-08
d
yr
n .2702222247673526 1.5169e-09 deg/d
Q 2.744001361068493 1.0269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1724  
   data-arc span      9662 days (26.45 yr)  
   first obs. used      1993-08-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:28:00  

Additional Information
 Earth MOID = .988049 au 
 Jupiter MOID = 2.68268 au 
 T_jup = 3.433 
[ 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 14.2   n/a MPO452394  
diameter diameter 4.228 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15784 (1993 QZ)          Discovered 1993-Aug-20 by Helin, E. F. at Palomar
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 QZ = 1996 LR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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