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 ]  
35995 (1999 NK20)
Classification: Main-belt Asteroid          SPK-ID: 2035995
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601661712141902 4.8567e-08  
a 2.358506871029462 9.4148e-09 au
q 1.980753855714313 1.1841e-07 au
i 3.232516691953594 3.5401e-06 deg
node 89.53931596136556 8.5308e-05 deg
peri 126.8067285329777 8.6465e-05 deg
M 334.1891838926693 1.7016e-05 deg
tp 2459095.353504565050
(2020-Sep-02.85350457)
6.2871e-05 TDB
period 1322.982640355941
3.62
7.9217e-06
2.169e-08
d
yr
n .2721124140397971 1.6293e-09 deg/d
Q 2.736259886344611 1.0923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      9629 days (26.36 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54808  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:10:54  

Additional Information
 Earth MOID = .975579 au 
 Jupiter MOID = 2.23386 au 
 T_jup = 3.533 
[ 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 MPO263646  

35995 (1999 NK20)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NK20 = 1995 HW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 18:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin