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 ]  
469283 (1995 UN20)
Classification: Main-belt Asteroid          SPK-ID: 2469283
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307253732577604 5.9669e-08  
a 2.988094171664633 3.289e-08 au
q 2.597474445744435 1.8477e-07 au
i 4.001021446544694 7.7942e-06 deg
node 10.2707577890527 0.00013258 deg
peri 16.08385808610155 0.0001398 deg
M 279.487002924393 4.6196e-05 deg
tp 2459422.442566499320
(2021-Jul-26.94256650)
0.00024605 TDB
period 1886.643516662429
5.17
3.1149e-05
8.528e-08
d
yr
n .1908150622099817 3.1504e-09 deg/d
Q 3.378713897584831 3.7189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:24  

Additional Information
 Earth MOID = 1.60191 au 
 Jupiter MOID = 2.07968 au 
 T_jup = 3.240 
[ 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 16.5   n/a MPO437768  

469283 (1995 UN20)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 1995 UN20 = 2015 PP120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 13:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin