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 ]  
91420 (1999 NK60)
Classification: Main-belt Asteroid          SPK-ID: 2091420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221692146989816 3.7393e-08  
a 2.761814634874771 1.6969e-08 au
q 2.148224446300489 1.0509e-07 au
i 13.66150208248519 4.872e-06 deg
node 157.2089656024128 1.8845e-05 deg
peri 97.5060522727498 2.1941e-05 deg
M 220.8980018666236 1.1006e-05 deg
tp 2459648.270378428972
(2022-Mar-09.77037843)
5.3525e-05 TDB
period 1676.448500839155
4.59
1.545e-05
4.23e-08
d
yr
n .2147396712871288 1.9791e-09 deg/d
Q 3.375404823449053 2.0739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      1999-07-13  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55526  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 11:03:47  

Additional Information
 Earth MOID = 1.18506 au 
 Jupiter MOID = 1.90832 au 
 T_jup = 3.265 
[ 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 15.1   n/a MPO468900  

91420 (1999 NK60)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 NK60 = 2003 EK29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-16 22:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin