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66448 (1999 OY1)
Classification: Main-belt Asteroid          SPK-ID: 2066448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1689096704453807 4.4383e-08  
a 2.550692725031852 1.0285e-08 au
q 2.119856057439292 1.1466e-07 au
i 13.74918638493879 5.0707e-06 deg
node 262.2252806143646 2.1139e-05 deg
peri 100.3075667909919 2.8486e-05 deg
M 79.6393289099932 1.9047e-05 deg
tp 2458871.337211279098
(2020-Jan-22.83721128)
7.7969e-05 TDB
period 1487.940764461357
4.07
8.9997e-06
2.464e-08
d
yr
n .2419451154228724 1.4634e-09 deg/d
Q 2.981529392624412 1.2022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1471  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-07-22  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46036  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:16  

Additional Information
 Earth MOID = 1.16786 au 
 Jupiter MOID = 2.63849 au 
 T_jup = 3.381 
[ 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 14.29   n/a MPCxxxxx  
diameter diameter 4.936 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66448 (1999 OY1)          Discovered 1999-Jul-22 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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