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5624 Shirley (1991 AY1)
Classification: Main-belt Asteroid          SPK-ID: 2005624
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05048956344164501 2.1056e-08  
a 3.016159394341675 1.4199e-08 au
q 2.863874823250948 6.6688e-08 au
i 10.67460978702264 4.9039e-07 deg
node 154.5856592104406 1.2439e-06 deg
peri 218.935224190156 1.301e-05 deg
M 352.1677630597811 1.1855e-05 deg
tp 2459438.125855918509
(2021-Aug-11.62585592)
6.3011e-05 TDB
period 1913.285852438002
5.24
1.3511e-05
3.699e-08
d
yr
n .1881579793951178 1.3287e-09 deg/d
Q 3.168443965432403 1.4916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2671  
   data-arc span      26063 days (71.36 yr)  
   first obs. used      1950-02-17  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:39:08  

Additional Information
 Earth MOID = 1.86866 au 
 Jupiter MOID = 2.09835 au 
 T_jup = 3.220 
[ 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 12.34   n/a MPCxxxxx  

5624 Shirley (1991 AY1)          Discovered 1991-Jan-11 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 AY1 = 1950 DK = 1968 QR1 = 1989 QZ = 1989 RE4 = 1990 WT7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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