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447075 (2004 SH21)
Classification: Main-belt Asteroid          SPK-ID: 2447075
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4316722914288358 1.0749e-07  
a 3.154491384129942 3.5398e-08 au
q 1.79278486005005 3.4641e-07 au
i 19.68188006322749 9.4991e-06 deg
node 119.2855475961691 3.2185e-05 deg
peri 255.1185964691941 3.3076e-05 deg
M 334.9853239034303 1.0533e-05 deg
tp 2459342.695164571852
(2021-May-08.19516457)
6.1619e-05 TDB
period 2046.409037968179
5.60
3.4446e-05
9.431e-08
d
yr
n .1759179095287 2.9611e-09 deg/d
Q 4.516197908209834 5.0678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5342 days (14.63 yr)  
   first obs. used      2004-09-21  
   last obs. used      2019-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55831  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:00:29  

Additional Information
 Earth MOID = .89895 au 
 Jupiter MOID = 1.67637 au 
 T_jup = 2.972 
[ 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 16.1   n/a MPO472482  

447075 (2004 SH21)          Discovered 2004-Sep-21 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28

[ 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
1945-Jan-09 07:23 00:03 Jupiter 1.63505351844532 1.63505141277801 1.63505562411272 4.35330751837446 4.23263595175039 2431464.807824811 2.52533774108424 474.303561759035 99.4710884385035 88.7269539295044 979137.941128821 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
1955-Dec-01 21:26 00:03 Jupiter 1.91572257197095 1.91572010835507 1.91572503561449 4.61147656311472 4.51457981898379 2435443.392758302 2.51602959612014 556.912473734773 83.8521481214987 81.5445663327987 1015881.53415375 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
2040-Jun-20 03:01 00:02 Jupiter 1.81567699059909 1.81567453841489 1.81567944278308 4.47478356003358 4.36928801759237 2466325.625997390 1.77908553795049 176.803972980273 119.054988785601 88.2099211154079 838081.037193959 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
2051-Jun-15 02:51 00:02 Jupiter 1.72079958646966 1.72079741849439 1.72080175449159 4.09950379054591 3.97762228977537 2470337.618977359 2.39397444531768 636.03391347346 69.0770063407663 83.3313263020444 1029731.62614067 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
2146-Dec-31 21:10 00:07 Jupiter 1.74704675657985 1.74704412388008 1.74704938930554 3.71857563709702 3.58582524273015 2505235.382122679 6.5038581254478 772.463507580786 109.775218699275 -85.347827174618 661374.131509245 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
2157-Oct-24 06:11 00:08 Jupiter 1.90466049622294 1.90465449677402 1.90466649653247 4.2332864996709 4.1268987871398 2509184.757964536 8.3918926036206 2127.21128751515 64.7668679860656 82.7696167184253 979641.068862216 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 15:00:30 2021-Apr-14 15:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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