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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158310064340194 1.4869e-08  
a 2.369082040033419 8.0347e-09 au
q 1.994032509848531 3.4591e-08 au
i 21.85235807747762 1.3345e-06 deg
node 163.8539961327789 8.0975e-07 deg
peri 183.2274755893491 6.8925e-06 deg
M 218.3178582659643 6.1529e-06 deg
tp 2459920.680897250803
(2022-Dec-07.18089725)
2.4469e-05 TDB
period 1331.890672322871
3.65
6.7756e-06
1.855e-08
d
yr
n .2702924552900018 1.375e-09 deg/d
Q 2.744131570218308 9.3067e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      10154 days (27.80 yr)  
   first obs. used      1993-08-20  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45858  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:56:03  

Additional Information
 Earth MOID = .986291 au 
 Jupiter MOID = 2.68349 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 14.27   n/a MPCxxxxx  
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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