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 ]  
120471 (1992 EN2)
Classification: Main-belt Asteroid          SPK-ID: 2120471
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621982767435829 4.2095e-08  
a 2.296640787276094 9.7181e-09 au
q 1.924129609280886 9.5773e-08 au
i 3.494170968552582 4.3652e-06 deg
node 149.4347285293568 8.0661e-05 deg
peri 311.6567849829169 8.2446e-05 deg
M 84.4613953884497 1.6562e-05 deg
tp 2458702.240841390264
(2019-Aug-06.74084139)
5.8056e-05 TDB
period 1271.270698354914
3.48
8.0689e-06
2.209e-08
d
yr
n .2831812299818265 1.7974e-09 deg/d
Q 2.669151965271301 1.1294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      363  
   data-arc span      10279 days (28.14 yr)  
   first obs. used      1992-03-06  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:38:09  

Additional Information
 Earth MOID = .94307 au 
 Jupiter MOID = 2.47482 au 
 T_jup = 3.574 
[ 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 17.1   n/a MPO453675  

120471 (1992 EN2)          Discovered 1992-Mar-06 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-01 01:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin