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 ]  
190435 (1999 XN146)
Classification: Main-belt Asteroid          SPK-ID: 2190435
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07612554751805439 4.4527e-08  
a 2.930358016241644 1.6497e-08 au
q 2.707282907831329 1.3228e-07 au
i 3.175902656978204 3.913e-06 deg
node 77.3057653213619 8.0701e-05 deg
peri 70.31955369773202 8.5436e-05 deg
M 352.4601451034751 2.7385e-05 deg
tp 2459238.874253426896
(2021-Jan-24.37425343)
0.00013941 TDB
period 1832.227731603919
5.02
1.5473e-05
4.236e-08
d
yr
n .196482125988159 1.6592e-09 deg/d
Q 3.153433124651959 1.7753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      10950 days (29.98 yr)  
   first obs. used      1991-04-18  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:17:54  

Additional Information
 Earth MOID = 1.72081 au 
 Jupiter MOID = 1.84227 au 
 T_jup = 3.270 
[ 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 15.13   n/a MPCxxxxx  

190435 (1999 XN146)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1999 XN146 = 2001 DB31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-15 06:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin