Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
3271 Ul (1982 RB)
Classification: Amor [NEO]          SPK-ID: 2003271
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .395244984830299 1.482e-07  
a 2.102742134707938 5.8862e-08 AU
q 1.271643851573268 3.1904e-07 AU
i 25.04842881983804 1.9984e-05 deg
node 158.8594640966521 3.0216e-05 deg
peri 158.9907884031076 0.00013398 deg
M 155.2207093633799 0.00020605 deg
tp 2456320.297279980065
(2013-Jan-27.79727998)
0.00061745 JED
period 1113.723677183254
3.05
4.6764e-05
1.28e-07
d
yr
n .3232399628159877 1.3573e-08 deg/d
Q 2.933840417842607 8.2127e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      11457 days (31.37 yr)  
   first obs. used      1982-09-14  
   last obs. used      2014-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58927  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:49:52  

Additional Information
 Earth MOID = .277383 AU 
 T_jup = 3.533 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5 mag n/a MPO226142  

3271 Ul (1982 RB)          Discovered 1982-Sep-14 by Schuster, H.-E. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 23:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin