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 ]  
11049 (1990 RK2)
Classification: Main-belt Asteroid          SPK-ID: 2011049
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06922834358008972 4.3563e-08  
a 2.129365251570234 6.8276e-09 au
q 1.981952822327026 9.2116e-08 au
i 2.362237857368782 4.8766e-06 deg
node 176.7367713396285 7.5555e-05 deg
peri 162.7133969311802 8.1495e-05 deg
M 216.7585413349978 3.1943e-05 deg
tp 2459452.085413006665
(2021-Aug-25.58541301)
0.00010118 TDB
period 1134.94200769487
3.11
5.4586e-06
1.494e-08
d
yr
n .317196823766511 1.5256e-09 deg/d
Q 2.276777680813443 7.3003e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1673  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1990-09-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:02:12  

Additional Information
 Earth MOID = .972998 au 
 Jupiter MOID = 2.9282 au 
 T_jup = 3.719 
[ 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 15.1   n/a MPO452326  
diameter diameter 4.718 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11049 (1990 RK2)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar
Reference: 19990728/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RK2 = 1993 PN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-28 03:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin