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66447 (1999 NG65)
Classification: Main-belt Asteroid          SPK-ID: 2066447
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576868384049803 3.5124e-08  
a 2.396495555818749 9.7474e-09 au
q 2.018599748370104 8.379e-08 au
i 7.044560375820579 3.7802e-06 deg
node 131.1805349338798 3.0558e-05 deg
peri 188.2247543801154 3.2768e-05 deg
M 268.7395042253262 1.3705e-05 deg
tp 2459544.013406969832
(2021-Nov-25.51340697)
5.265e-05 TDB
period 1355.075111738087
3.71
8.2673e-06
2.263e-08
d
yr
n .2656679300516751 1.6208e-09 deg/d
Q 2.774391363267393 1.1284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      995  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:14  

Additional Information
 Earth MOID = 1.00372 au 
 Jupiter MOID = 2.52 au 
 T_jup = 3.501 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.50   n/a E2021B10  
rotation period rot_per 17.5218 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

66447 (1999 NG65)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NG65 = 2000 YN38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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