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 ]  
66546 (1999 RG122)
Classification: Main-belt Asteroid          SPK-ID: 2066546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405494507570481 5.3342e-08  
a 2.483065631645778 1.0989e-08 au
q 2.134072120924261 1.2737e-07 au
i 16.37308116443792 4.6609e-06 deg
node 174.5830801859734 1.3634e-05 deg
peri 187.6659916245128 1.9929e-05 deg
M 136.0045057464781 1.6358e-05 deg
tp 2458660.577382086594
(2019-Jun-26.07738209)
6.2863e-05 TDB
period 1429.159581015276
3.91
9.4876e-06
2.598e-08
d
yr
n .2518962926059354 1.6722e-09 deg/d
Q 2.832059142367295 1.2534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      7913 days (21.66 yr)  
   first obs. used      1999-07-22  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51748  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:04  

Additional Information
 Earth MOID = 1.12988 au 
 Jupiter MOID = 2.62268 au 
 T_jup = 3.408 
[ 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 15.8   n/a MPO531875  
diameter diameter 3.755 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66546 (1999 RG122)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-16 12:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin