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 ]  
28008 (1997 XR11)
Classification: Main-belt Asteroid          SPK-ID: 2028008
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810644035039535 8.5427e-08  
a 2.69138719324107 2.1828e-08 au
q 2.204072776498696 2.2649e-07 au
i 13.58562823804883 8.2393e-06 deg
node 305.0202698013901 2.9125e-05 deg
peri 6.99136038259028 3.4015e-05 deg
M 136.8638148153308 1.9796e-05 deg
tp 2456787.375261725438
(2014-May-09.87526173)
8.6153e-05 JED
period 1612.733841130066
4.42
1.962e-05
5.372e-08
d
yr
n .2232234425909627 2.7156e-09 deg/d
Q 3.178701609983444 2.578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      11796 days (32.30 yr)  
   first obs. used      1983-09-01  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49501  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:05:27  

Additional Information
 Earth MOID = 1.1883 au 
 Jupiter MOID = 2.09274 au 
 T_jup = 3.308 
[ 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 12.8 mag n/a PDS3 (MPO 15227)  

28008 (1997 XR11)          Discovered 1997-Dec-05 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XR11 = 1983 RM5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-10 22:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin