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66446 (1999 NF61)
Classification: Main-belt Asteroid          SPK-ID: 2066446
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733285475032128 4.6183e-08  
a 2.638366495261807 1.6354e-08 au
q 2.181062262856936 1.2802e-07 au
i 12.14220125494105 5.1147e-06 deg
node 258.6188632628795 2.24e-05 deg
peri 53.89761191574499 2.6866e-05 deg
M 349.3133879773885 1.6839e-05 deg
tp 2459246.966360077172
(2021-Feb-01.46636008)
7.345e-05 TDB
period 1565.312710182404
4.29
1.4554e-05
3.985e-08
d
yr
n .2299859942733421 2.1383e-09 deg/d
Q 3.095670727666678 1.9188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-06-12  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52373  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:14  

Additional Information
 Earth MOID = 1.18865 au 
 Jupiter MOID = 2.19923 au 
 T_jup = 3.343 
[ 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 14.65   n/a E2021B10  

66446 (1999 NF61)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NF61 = 2000 QP182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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