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 ]  
59819 (1999 RH22)
Classification: Main-belt Asteroid          SPK-ID: 2059819
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 .04764881349849872 5.441e-08  
a 3.03217353934527 2.2629e-08 au
q 2.887694067873924 1.6481e-07 au
i 9.539902895096617 6.5073e-06 deg
node 173.1150811910086 2.8169e-05 deg
peri 237.8769626201674 6.6168e-05 deg
M 284.3286649530813 5.7747e-05 deg
tp 2459405.876344890334
(2021-Jul-10.37634489)
0.00030889 TDB
period 1928.543801560203
5.28
2.1589e-05
5.911e-08
d
yr
n .1866693407268001 2.0896e-09 deg/d
Q 3.176653010816615 2.3707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      9996 days (27.37 yr)  
   first obs. used      1991-02-19  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58485  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:38  

Additional Information
 Earth MOID = 1.90897 au 
 Jupiter MOID = 2.01859 au 
 T_jup = 3.220 
[ 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 14.0   n/a MPO351258  
diameter diameter 5.640 km 0.577 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.168   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

59819 (1999 RH22)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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-02 10:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin