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JPL Small-Body Database Browser
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66457 (1999 PY7)
Classification: Main-belt Asteroid          SPK-ID: 2066457
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349092252911792 1.445e-07  
a 2.527573635042162 1.2696e-08 au
q 1.933823270567998 3.6898e-07 au
i 2.510637375380896 1.1155e-05 deg
node 317.8360802176604 9.2546e-05 deg
peri 343.713517053753 9.3921e-05 deg
M 71.89756084510677 1.0691e-05 deg
tp 2458707.366260691660
(2019-Aug-11.86626069)
4.3074e-05 TDB
period 1467.75697131573
4.02
1.1059e-05
3.028e-08
d
yr
n .2452722126588083 1.848e-09 deg/d
Q 3.121323999516326 1.5678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7410 days (20.29 yr)  
   first obs. used      1999-07-20  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53276  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:51:03  

Additional Information
 Earth MOID = .918528 au 
 Jupiter MOID = 2.12164 au 
 T_jup = 3.412 
[ 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 16.2   n/a MPO436245  

66457 (1999 PY7)          Discovered 1999-Aug-07 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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