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 ]  
91529 (1999 RL193)
Classification: Main-belt Asteroid          SPK-ID: 2091529
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09561696913041416 4.4826e-08  
a 3.101921530804932 3.0531e-08 au
q 2.80532519554899 1.4606e-07 au
i 11.54355373007087 5.4599e-06 deg
node 180.1215075221167 2.1639e-05 deg
peri 149.0505315210073 3.5704e-05 deg
M 317.1724980647272 3.057e-05 deg
tp 2459237.891344646738
(2021-Jan-23.39134465)
0.0001714 TDB
period 1995.467403211767
5.46
2.9461e-05
8.066e-08
d
yr
n .1804088603104058 2.6635e-09 deg/d
Q 3.398517866060874 3.345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      15268 days (41.80 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:32:49  

Additional Information
 Earth MOID = 1.80248 au 
 Jupiter MOID = 2.04073 au 
 T_jup = 3.183 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436411  
diameter diameter 3.089 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.106   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91529 (1999 RL193)          Discovered 1999-Sep-13 by Hug, G., Bell, G. at Farpoint
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RL193 = 1977 RH18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 07:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin