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 ]  
29178 (1990 RW8)
Classification: Main-belt Asteroid          SPK-ID: 2029178
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953492962677001 5.217e-08  
a 2.314885117929848 1.2811e-08 au
q 1.86267393920168 1.2001e-07 au
i 6.702874467304138 5.7626e-06 deg
node 283.7034783709628 5.6556e-05 deg
peri 28.68931322324745 5.9256e-05 deg
M 88.40545504176106 1.7884e-05 deg
tp 2457084.585794929716
(2015-Mar-03.08579493)
6.2874e-05 JED
period 1286.449051945706
3.52
1.0679e-05
2.924e-08
d
yr
n .2798400756372851 2.323e-09 deg/d
Q 2.767096296658015 1.5313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      9277 days (25.40 yr)  
   first obs. used      1990-07-24  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50061  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:09:14  

Additional Information
 Earth MOID = .849499 au 
 Jupiter MOID = 2.4946 au 
 T_jup = 3.547 
[ 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 15.1 mag n/a MPO247600  

29178 (1990 RW8)          Discovered 1990-Sep-13 by Holt, H. E. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RW8 = 1996 ED12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-12 22:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin