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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080684107416428 4.432e-08  
a 2.433915737722073 1.091e-08 au
q 1.927494758295168 1.0899e-07 au
i 1.957117665216241 4.8904e-06 deg
node 146.6019133016187 0.00014832 deg
peri 203.4511299134927 0.00014879 deg
M 143.146505933574 1.5044e-05 deg
tp 2458449.013372394013
(2018-Nov-26.51337239)
5.5687e-05 TDB
period 1386.937003060934
3.80
9.3257e-06
2.553e-08
d
yr
n .2595647813891254 1.7453e-09 deg/d
Q 2.940336717148979 1.318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      10439 days (28.58 yr)  
   first obs. used      1991-06-07  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:49:44  

Additional Information
 Earth MOID = .921591 au 
 Jupiter MOID = 2.48843 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 15.8   n/a MPO449422  

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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