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 ]  
101098 (1998 RG39)
Classification: Main-belt Asteroid          SPK-ID: 2101098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205362165561628 3.1216e-08  
a 2.343728905207076 7.1881e-09 au
q 1.82685179981939 7.4632e-08 au
i 9.77222096891162 4.0196e-06 deg
node 156.6498676273975 2.5484e-05 deg
peri 123.5512393463244 2.793e-05 deg
M 66.49218787921413 1.1351e-05 deg
tp 2458758.437444579148
(2019-Oct-01.93744458)
4.0883e-05 TDB
period 1310.567793464774
3.59
6.0292e-06
1.651e-08
d
yr
n .2746901013401686 1.2637e-09 deg/d
Q 2.860606010594762 8.7733e-09 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1991-10-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:47  

Additional Information
 Earth MOID = .831676 au 
 Jupiter MOID = 2.35895 au 
 T_jup = 3.510 
[ 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 16.3   n/a MPO474885  

101098 (1998 RG39)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RG39 = 2001 FW56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-24 23:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin