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 ]  
193868 (2001 QC149)
Classification: Main-belt Asteroid          SPK-ID: 2193868
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153164529482012 7.5988e-08  
a 2.256114825166206 7.6562e-09 au
q 1.770336183567567 1.7079e-07 au
i 5.918071693524227 7.876e-06 deg
node 343.4955838651957 4.328e-05 deg
peri 341.742908688798 4.4401e-05 deg
M 192.6261474277415 9.8773e-06 deg
tp 2459575.973510929600
(2021-Dec-27.47351093)		 3.5099e-05 TDB
period 1237.770779311042
3.39		 6.3006e-06
1.725e-08		 d
yr
n .2908454505610323 1.4805e-09 deg/d
Q 2.741893466764844 9.3046e-09 au
   Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6813 days (18.65 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:25:02  

Additional Information
 Earth MOID = .759835 au 
 Jupiter MOID = 2.60056 au 
 T_jup = 3.586 
[ 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 17.2   n/a MPO470086  
rotation period rot_per 23.818 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

193868 (2001 QC149)          Discovered 2001-Aug-21 by NEAT at Haleakala
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
2134-Oct-02 00:52 00:15 Amphi 0.043148726664793 0.0430927654947865 0.0432046926553045 3.45052785137061 3.45052781275886 2500761.536376357 15.2283770527771 2879.20078757537 89.9792933656111 -14.4340959365643 17999.829063788 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:25:03 2020-Nov-12 06:25
[ 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-19 20:59 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin