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 ]  
102111 (1999 RQ167)
Classification: Main-belt Asteroid          SPK-ID: 2102111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190096977728572 3.2356e-08  
a 2.33537035734916 8.5047e-09 au
q 1.891423510540189 7.7383e-08 au
i 5.846033702456107 4.0568e-06 deg
node 20.19974986929285 3.0696e-05 deg
peri 39.3917204806671 3.2337e-05 deg
M 293.84740856747 1.0813e-05 deg
tp 2459440.039110757661
(2021-Aug-13.53911076)
3.9788e-05 TDB
period 1303.563140995157
3.57
7.1207e-06
1.95e-08
d
yr
n .2761661393134907 1.5086e-09 deg/d
Q 2.77931720415813 1.0121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1314  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:37  

Additional Information
 Earth MOID = .90694 au 
 Jupiter MOID = 2.5789 au 
 T_jup = 3.537 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.23   n/a E2021B55  
diameter diameter 2.264 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.314   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

102111 (1999 RQ167)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-04 23:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin