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 ]  
19684 (1999 RL196)
Classification: Main-belt Asteroid          SPK-ID: 2019684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07692429658361059 2.3865e-08  
a 3.003468879404236 1.5642e-08 au
q 2.7724291485453 7.823e-08 au
i 8.216058584545111 9.1129e-07 deg
node 312.1915550378772 6.108e-06 deg
peri 171.8686870316023 1.4844e-05 deg
M 266.4667107056113 1.5184e-05 deg
tp 2459694.465750824632
(2022-Apr-24.96575082)
8.1579e-05 TDB
period 1901.223314590902
5.21
1.4852e-05
4.066e-08
d
yr
n .1893517701141085 1.4792e-09 deg/d
Q 3.234508610263172 1.6845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2207  
   data-arc span      12789 days (35.01 yr)  
   first obs. used      1986-02-07  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44913  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:02:12  

Additional Information
 Earth MOID = 1.78802 au 
 Jupiter MOID = 1.82296 au 
 T_jup = 3.232 
[ 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 13.02   n/a MPCxxxxx  
diameter diameter 7.707 km 0.867 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.226   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19684 (1999 RL196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RL196 = 1986 CJ1 = 1991 BH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 16:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin