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JPL Small-Body Database Browser
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4450 Pan (1987 SY)
Classification: Apollo [NEO, PHA]          SPK-ID: 2004450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 195 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5866724025407565 2.2406e-08  
a 1.442495037204961 3.5561e-09 au
q .5962230080748084 3.2105e-08 au
i 5.520541951690841 4.6827e-06 deg
node 311.8067266869449 2.1025e-05 deg
peri 291.8364099326179 2.0412e-05 deg
M 1.709167662593815 9.5887e-06 deg
tp 2458997.495639212491
(2020-May-27.99563921)
1.6844e-05 TDB
period 632.8050238569352
1.73
2.34e-06
6.407e-09
d
yr
n .5688956099080985 2.1037e-09 deg/d
Q 2.288767066335113 5.6423e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      30363 days (83.13 yr)  
   first obs. used      1937-02-06  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45152  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-26 06:35:39  

Additional Information
 Earth MOID = .028548 au 
 Jupiter MOID = 2.76754 au 
 T_jup = 4.456 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO267725  
rotation period rot_per 56.48 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 113-124.]

4450 Pan (1987 SY)          Discovered 1987-Sep-25 by Shoemaker, C. and E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SY = 1937 CA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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