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 ]  
249613 (1999 RH207)
Classification: Main-belt Asteroid          SPK-ID: 2249613
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1640114379322226 8.5873e-08  
a 3.106255064132843 4.2485e-08 au
q 2.596793704480167 2.863e-07 au
i 8.992177312955965 8.0781e-06 deg
node 305.2081319982364 4.5794e-05 deg
peri 70.54121294896916 5.1917e-05 deg
M 281.863831844305 2.8727e-05 deg
tp 2459434.513967851406
(2021-Aug-08.01396785)
0.00016619 TDB
period 1999.650509034056
5.47
4.1025e-05
1.123e-07
d
yr
n .1800314596843727 3.6935e-09 deg/d
Q 3.615716423785519 4.9453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5499  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:34  

Additional Information
 Earth MOID = 1.61476 au 
 Jupiter MOID = 1.97903 au 
 T_jup = 3.181 
[ 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 15.6   n/a MPO476004  
diameter diameter 2.987 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249613 (1999 RH207)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1999 RH207 = 2004 PK23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 13:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin