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 ]  
19971 (1988 RZ5)
Classification: Main-belt Asteroid          SPK-ID: 2019971
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134725976253179 6.0314e-08  
a 2.363334827993014 1.5861e-08 AU
q 2.095161086002263 1.4038e-07 AU
i 3.371071151092668 6.4749e-06 deg
node 170.7120088194069 8.9923e-05 deg
peri 165.5170689430451 9.3547e-05 deg
M 81.82027036130526 2.6384e-05 deg
tp 2456698.890706727134
(2014-Feb-10.39070673)
9.6061e-05 JED
period 1327.047015351607
3.63
1.336e-05
3.658e-08
d
yr
n .2712790095870238 2.731e-09 deg/d
Q 2.631508569983765 1.7661e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      9462 days (25.91 yr)  
   first obs. used      1988-09-03  
   last obs. used      2014-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50675  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:33:44  

Additional Information
 Earth MOID = 1.08633 AU 
 T_jup = 3.539 
[ 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 14.3 mag n/a MPO263526  

19971 (1988 RZ5)          Discovered 1988-Sep-03 by Debehogne, H. at La Silla (809)
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RZ5 = 1998 FE123 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-31 21:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin