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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
19667 (1999 RS144)
Classification: Main-belt Asteroid          SPK-ID: 2019667
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05189392285148136 4.8133e-08  
a 2.990946558881021 2.2295e-08 au
q 2.835734608901546 1.4809e-07 au
i 8.848101203631815 5.4345e-06 deg
node 271.3187670912686 3.941e-05 deg
peri 355.0640703410137 7.572e-05 deg
M 70.30690288593419 6.6234e-05 deg
tp 2458631.516561953452
(2019-May-28.01656195)		 0.00034708 TDB
period 1889.345601132039
5.17		 2.1126e-05
5.784e-08		 d
yr
n .1905421643262613 2.1305e-09 deg/d
Q 3.146158508860497 2.3452e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      10490 days (28.72 yr)  
   first obs. used      1989-09-28  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52889  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:56:18  

Additional Information
 Earth MOID = 1.81984 au 
 Jupiter MOID = 1.93706 au 
 T_jup = 3.236 
[ 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 13.3   n/a MPO358819  
diameter diameter 7.655 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.173   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19667 (1999 RS144)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RS144 = 1989 SS12 = 1998 KM36 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 00:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin