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 ]  
19632 (1999 RP39)
Classification: Main-belt Asteroid          SPK-ID: 2019632
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203593149835562 5.6654e-08  
a 3.171033807735426 2.0229e-08 au
q 2.525433046583514 1.7923e-07 au
i 8.103098402351405 5.4621e-06 deg
node 31.93769533043891 3.7047e-05 deg
peri 327.3375571011733 3.8741e-05 deg
M 238.7156850212798 1.3324e-05 deg
tp 2459695.367299287628
(2022-Apr-25.86729929)
8.0044e-05 TDB
period 2062.527440480957
5.65
1.9736e-05
5.403e-08
d
yr
n .1745431323406065 1.6702e-09 deg/d
Q 3.816634568887337 2.4347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1089  
   data-arc span      13621 days (37.29 yr)  
   first obs. used      1982-10-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:52:50  

Additional Information
 Earth MOID = 1.5272 au 
 Jupiter MOID = 1.65687 au 
 T_jup = 3.154 
[ 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 13.6   n/a MPO384923  
diameter diameter 5.571 km 0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19632 (1999 RP39)          Discovered 1999-Sep-13 by Stafford, T. at Zeno
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RP39 = 1988 VM8 
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-09 18:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin