Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
66429 (1999 NQ38)
Classification: Main-belt Asteroid          SPK-ID: 2066429
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2709027982495409 5.7226e-08  
a 2.530756667097929 1.1408e-08 au
q 1.845167604292418 1.4479e-07 au
i 8.172889528033879 8.4764e-06 deg
node 335.715166097889 3.7628e-05 deg
peri 29.74278647685526 4.3846e-05 deg
M 80.66084266405686 2.0876e-05 deg
tp 2458871.016048880678
(2020-Jan-22.51604888)
8.4658e-05 TDB
period 1470.530414577621
4.03
9.9433e-06
2.722e-08
d
yr
n .244809625446205 1.6553e-09 deg/d
Q 3.216345729903439 1.4499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      10793 days (29.55 yr)  
   first obs. used      1991-08-06  
   last obs. used      2021-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52254  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:07  

Additional Information
 Earth MOID = .846138 au 
 Jupiter MOID = 2.27023 au 
 T_jup = 3.385 
[ 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 15.27   n/a MPCxxxxx  
rotation period rot_per 55.2257 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.]

66429 (1999 NQ38)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NQ38 = 1991 PK14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-23 14:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin