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193868 (2001 QC149)
Classification: Main-belt Asteroid          SPK-ID: 2193868
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153164507050376 7.6092e-08  
a 2.256114825533514 7.6686e-09 au
q 1.770336188916622 1.7104e-07 au
i 5.918071506259535 7.9126e-06 deg
node 343.4955830201372 4.3806e-05 deg
peri 341.7429075824702 4.4984e-05 deg
M 192.6261486234716 1.0008e-05 deg
tp 2459575.973506958913
(2021-Dec-27.47350696)
3.5509e-05 TDB
period 1237.770779613316
3.39
6.3108e-06
1.728e-08
d
yr
n .2908454504900054 1.4829e-09 deg/d
Q 2.741893462150405 9.3198e-09 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:51  

Additional Information
 Earth MOID = .759835 au 
 Jupiter MOID = 2.60056 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161774741110601 7.624e-08  
q 1.768079612415303 1.7151e-07 au
tp 2457100.066883548915
(2015-Mar-18.56688355)
3.2159e-05 TDB
node 343.5495896657867 4.3756e-05 deg
peri 341.6224548343268 4.4922e-05 deg
i 5.923403043226026 7.9176e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-07-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:51  

Additional Information
 Jupiter MOID = 2.60056 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.812519502639833E-15 -1.306835085887678E-14 4.552666160460621E-13 -4.8313911479385E-14 1.013721726511166E-13 6.153493611315583E-15
q -1.306835085887678E-14 2.941699906153421E-14 -1.015630696954228E-12 1.082145031114855E-13 -2.244210767182705E-13 -1.359439854324368E-14
tp 4.552666160460621E-13 -1.015630696954228E-12 1.03417887842924E-9 -5.715970769093957E-12 3.386893788509852E-10 -7.647245101866202E-13
node -4.8313911479385E-14 1.082145031114855E-13 -5.715970769093957E-12 1.914563833202394E-9 -1.904244199161147E-9 -8.662124377259558E-11
peri 1.013721726511166E-13 -2.244210767182705E-13 3.386893788509852E-10 -1.904244199161147E-9 2.01795933377264E-9 8.581544533542657E-11
i 6.153493611315583E-15 -1.359439854324368E-14 -7.647245101866202E-13 -8.662124377259558E-11 8.581544533542657E-11 6.268795542787992E-11

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  

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 14 CATAB v2.0f-lin.ifort 2020-Feb-24 22:10:53 2020-Feb-24 22:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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