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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731101190689086 6.2399e-08  
a 2.637241992820078 2.1269e-08 au
q 2.180708717429468 1.6192e-07 au
i 12.14545763140903 5.7249e-06 deg
node 258.6234842219965 3.0529e-05 deg
peri 54.01647808123264 3.4481e-05 deg
M 303.1924298682598 2.1161e-05 deg
tp 2459247.346579123096
(2021-Feb-01.84657912)
9.4054e-05 TDB
period 1564.312085136394
4.28
1.8924e-05
5.181e-08
d
yr
n .2301331066994928 2.7839e-09 deg/d
Q 3.093775268210687 2.495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      7236 days (19.81 yr)  
   first obs. used      1999-06-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:54:26  

Additional Information
 Earth MOID = 1.19031 au 
 Jupiter MOID = 2.20219 au 
 T_jup = 3.344 
[ 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 14.8   n/a MPO468591  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-22 11:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin