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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
11919 (1992 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2011919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2599402381485081 2.5217e-08  
a 2.349149769927714 1.1164e-08 au
q 1.738511219286191 5.99e-08 au
i 26.20243783761899 6.4497e-07 deg
node 45.66872173222202 2.6928e-06 deg
peri 337.1639177699926 5.4298e-06 deg
M 353.2048673240723 8.6023e-06 deg
tp 2459421.323323440273
(2021-Jul-25.82332344)
3.1547e-05 TDB
period 1315.1172853705
3.60
9.3751e-06
2.567e-08
d
yr
n .2737398435901323 1.9514e-09 deg/d
Q 2.959788320569237 1.4066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      10513 days (28.78 yr)  
   first obs. used      1992-10-25  
   last obs. used      2021-08-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:41:09  

Additional Information
 Earth MOID = .760939 au 
 Jupiter MOID = 2.51616 au 
 T_jup = 3.379 
[ 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 14.34   n/a E2021B10  
diameter diameter 3.284 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11919 (1992 UD2)          Discovered 1992-Oct-25 by Natori, A., Urata, T. at Yakiimo
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-22 08:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin