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 ]  
193942 (2001 RQ36)
Classification: Main-belt Asteroid          SPK-ID: 2193942
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2143151840327702 3.4159e-08  
a 2.285756279172694 9.1296e-09 au
q 1.795884001547738 7.7743e-08 au
i 2.802668664485659 4.1641e-06 deg
node 274.924934546166 0.00010576 deg
peri 153.4282408118337 0.00010657 deg
M 93.83790069908204 1.382e-05 deg
tp 2458671.482429093736
(2019-Jul-06.98242909)
4.7606e-05 TDB
period 1262.243982909281
3.46
7.5624e-06
2.07e-08
d
yr
n .2852063506535833 1.7087e-09 deg/d
Q 2.77562855679765 1.1086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      6805 days (18.63 yr)  
   first obs. used      2001-09-08  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:58:37  

Additional Information
 Earth MOID = .810583 au 
 Jupiter MOID = 2.52439 au 
 T_jup = 3.570 
[ 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 16.8   n/a MPO454348  

193942 (2001 RQ36)          Discovered 2001-Sep-08 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2038-Sep-20 10:15 00:01 Iris 0.0444632693327552 0.0444617387903763 0.044464799879387 1.89494174721028 1.89494167898022 2465686.926918517 1.25809516818857 253.288275930201 75.8273174384082 -88.4348610748322 87479.918220113 T 16 CATAB v2.0f-lin.ifort 2020-May-21 05:58:52 2020-May-21 05:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 06:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin