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312297 (2008 CW14)
Classification: Main-belt Asteroid          SPK-ID: 2312297
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09402538493403736 5.8712e-08  
a 2.794686094856014 2.7359e-08 au
q 2.531914659017376 1.5744e-07 au
i 5.674164126835576 5.3906e-06 deg
node 109.1070403960769 6.0899e-05 deg
peri 59.2171313619772 6.7629e-05 deg
M 214.6097778781207 3.2084e-05 deg
tp 2459689.676844506414
(2022-Apr-20.17684451)
0.00015666 TDB
period 1706.46732910502
4.67
2.5059e-05
6.861e-08
d
yr
n .210962140241388 3.0979e-09 deg/d
Q 3.057457530694653 2.9932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:46  

Additional Information
 Earth MOID = 1.5446 au 
 Jupiter MOID = 1.92857 au 
 T_jup = 3.314 
[ 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 16.4   n/a MPO440461  

312297 (2008 CW14)          Discovered 2008-Feb-03 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1987-Sep-15 17:01 00:01 Jupiter 1.97569744980912 1.97569673122186 1.97569816839662 2.82258670633719 2.66637472819375 2447054.209268508 1.20438677428724 81.4027990294812 14.1431930889215 80.202842414244 1942440.20731407 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
2010-Oct-15 12:40 < 00:01 Jupiter 1.92593535359781 1.9259347867636 1.9259359204318 2.61180595310124 2.43760832323808 2455485.027923641 0.287246382177014 53.1894469708556 10.0782374218673 80.9694179722464 2034717.49556742 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
2033-Nov-15 14:56 < 00:01 Jupiter 1.95482316979105 1.95482255866086 1.95482378092123 2.76748904283855 2.60622294144573 2463917.122176877 0.829976995112229 66.5849374706285 16.918246399808 -87.5866037079037 2184389.26658389 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
2141-Dec-31 11:25 00:05 Jupiter 1.9741879443663 1.9741868774488 1.97418901129458 2.81897016666276 2.66242289262042 2503408.976028152 5.15719106923859 277.080438439633 12.9454927748154 84.6141426787715 2216074.95957537 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
2165-Jan-28 22:08 00:06 Jupiter 1.93183500132885 1.93183449275994 1.93183550989831 2.61149966272408 2.43783114574265 2511838.422061619 6.08069522003755 384.109507994282 11.1482719757764 89.7483649265429 2253247.90411153 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
2188-Feb-29 08:40 00:07 Jupiter 1.95092905248804 1.95092745443626 1.9509306505682 2.73941830565827 2.57606003713865 2520269.861117874 7.07758000579713 416.400854682757 15.9582222735116 -84.7622196253027 2285539.19689005 T 12 CATAB v2.0f-lin.ifort 2019-Nov-08 08:09:48 2019-Nov-08 08:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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