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66422 (1999 NN23)
Classification: Main-belt Asteroid          SPK-ID: 2066422
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082554487435609 4.2257e-08  
a 2.433566061806594 1.0503e-08 au
q 1.926762669557962 1.035e-07 au
i 1.957327070712705 4.744e-06 deg
node 146.6030590764922 0.00013586 deg
peri 203.4598100651139 0.00013637 deg
M 195.0462572970874 1.5248e-05 deg
tp 2459835.864301830731
(2022-Sep-13.36430183)
6.1561e-05 TDB
period 1386.638126004912
3.80
8.9765e-06
2.458e-08
d
yr
n .2596207281832122 1.6807e-09 deg/d
Q 2.940369454055226 1.269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      10882 days (29.79 yr)  
   first obs. used      1991-06-07  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53377  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:46  

Additional Information
 Earth MOID = .919102 au 
 Jupiter MOID = 2.48907 au 
 T_jup = 3.475 
[ 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 15.84   n/a E2021B10  

66422 (1999 NN23)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NN23 = 2001 BH29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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