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 ]  
101888 (1999 NM42)
Classification: Main-belt Asteroid          SPK-ID: 2101888
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2500014893790166 4.4894e-08  
a 2.386738780949148 1.0379e-08 au
q 1.790050530953203 1.0668e-07 au
i 4.876825892922224 4.8603e-06 deg
node 307.3962297119665 5.4834e-05 deg
peri 43.83937851775035 5.5494e-05 deg
M 260.9040702020386 1.1925e-05 deg
tp 2459571.231149470706
(2021-Dec-22.73114947)		 4.6421e-05 TDB
period 1346.808229980399
3.69		 8.7855e-06
2.405e-08		 d
yr
n .2672986339007146 1.7437e-09 deg/d
Q 2.983427030945093 1.2974e-08 au
   Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7613 days (20.84 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48353  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:12  

Additional Information
 Earth MOID = .786104 au 
 Jupiter MOID = 2.46673 au 
 T_jup = 3.487 
[ 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 16.11   n/a E2021B55  

101888 (1999 NM42)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 12:15 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin