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120711 (1997 MC9)
Classification: Main-belt Asteroid          SPK-ID: 2120711
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06647066916118116 4.2524e-08  
a 3.140071639749391 2.6692e-08 au
q 2.931348976641202 1.2425e-07 au
i 7.701109075802073 4.7447e-06 deg
node 140.7279762873262 3.6332e-05 deg
peri 139.8848805537864 5.6103e-05 deg
M 102.2411318138163 4.4184e-05 deg
tp 2458623.293903740016
(2019-May-19.79390374)		 0.0002471 TDB
period 2032.393332968894
5.56		 2.5914e-05
7.095e-08		 d
yr
n .1771310671808378 2.2585e-09 deg/d
Q 3.348794302857581 2.8466e-08 au
   Orbit Determination Parameters
   # obs. used (total)      423  
   data-arc span      9040 days (24.75 yr)  
   first obs. used      1996-04-09  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57218  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:47  

Additional Information
 Earth MOID = 1.9183 au 
 Jupiter MOID = 1.79835 au 
 T_jup = 3.193 
[ 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 15.2   n/a MPO439779  

120711 (1997 MC9)          Discovered 1997-Jun-30 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1966-May-05 09:27 00:02 Jupiter 1.89986203700985 1.89986132892126 1.89986274509846 3.03686435426443 2.88632598939649 2439250.893876826 2.03334178947646 74.6007939567092 23.4615476682275 -83.5810045094863 2333300.3236178 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
1976-Oct-04 20:09 00:02 Jupiter 1.83625208074286 1.83625158717794 1.83625257430778 2.82036807430542 2.6517768130901 2443056.339750248 1.65572437492279 79.2450927615274 13.9230227725861 81.6784857493891 2920018.04200892 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
1987-Mar-10 17:59 00:01 Jupiter 1.90695932811861 1.90695878032882 1.90695987590862 3.80794284050988 3.68945522822272 2446865.249179663 1.12962201688314 77.7296204180326 21.0283667303719 -84.2452729947024 2907404.89397002 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2061-Jan-30 00:51 00:02 Jupiter 1.87704673429574 1.87704631731862 1.87704715127296 2.9543390609385 2.79742985182922 2473854.535301199 1.95228718811687 59.5911362118625 14.9048860393314 82.544083859066 3469092.49449751 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2071-Jul-02 03:09 00:02 Jupiter 1.84156007721946 1.84155956297317 1.84156059146574 2.90529534945035 2.74241579196574 2477659.631460079 2.4714863620527 117.154911723558 15.9409516149678 87.7483138578013 2832229.55974041 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2081-Dec-10 04:01 00:03 Jupiter 1.93230235443456 1.93230168785172 1.93230302102003 3.96377309275166 3.85159699796637 2481473.667365370 2.78043396543016 171.641287778358 20.8588758341867 -84.1439946717803 3113708.37500978 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2155-Nov-01 07:34 00:06 Jupiter 1.86874917814142 1.8687485986996 1.86874975758314 2.92018750409635 2.76061266278179 2508461.814959875 5.97333695123441 71.8923847626107 18.1223270170273 88.6751564635067 2196227.73675638 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2166-Mar-30 18:42 00:07 Jupiter 1.85894076166838 1.85894007195175 1.8589414513942 3.03121449291157 2.87697157456793 2512264.279027643 6.56044247066915 320.291011778177 17.1914679356093 89.5567896343809 2803871.2754827 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07
2176-Sep-11 06:32 00:07 Jupiter 1.96665068349292 1.96664922908846 1.96665213792578 4.14268495787039 4.03738192827639 2516081.772217187 6.61986862506021 406.381647946756 21.0582728999188 -82.0325042325332 3283619.80377662 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 17:07:48 2021-Apr-13 17:07

Alternate Designations
 1997 MC9 = 2003 SR88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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