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447151 (2005 GR94)
Classification: Main-belt Asteroid          SPK-ID: 2447151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08626970204111699 1.0971e-07  
a 2.651966821745015 3.0027e-08 au
q 2.423182434210145 2.8614e-07 au
i 11.86715272930787 7.4621e-06 deg
node 194.7949527206135 3.1414e-05 deg
peri 44.48891022913883 6.7928e-05 deg
M 152.9851301069624 5.3817e-05 deg
tp 2458330.156695586248
(2018-Jul-30.65669559)
0.00023312 TDB
period 1577.431672086202
4.32
2.6791e-05
7.335e-08
d
yr
n .2282190768516071 3.876e-09 deg/d
Q 2.880751209279886 3.2618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5312 days (14.54 yr)  
   first obs. used      2005-04-06  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:20:19  

Additional Information
 Earth MOID = 1.42771 au 
 Jupiter MOID = 2.12112 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457301.5 (2015-Oct-06.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08613755943333681 1.0881e-07  
q 2.424168217792447 2.8336e-07 au
tp 2456755.705150993304
(2014-Apr-08.20515099)
0.00023374 TDB
node 194.8230351528646 3.1383e-05 deg
peri 45.25729792534201 6.8838e-05 deg
i 11.87168779335608 7.4651e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      5312 days (14.54 yr)  
   first obs. used      2005-04-06  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:20:19  

Additional Information
 Jupiter MOID = 2.12112 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.183916542863672E-14 -3.069459200281486E-14 -1.518076631262238E-11 6.127966924846201E-14 -4.254284622040684E-12 -5.16942257945759E-14
q -3.069459200281486E-14 8.029536356583766E-14 4.073261737905456E-11 -1.679298453860308E-13 1.142979906908356E-11 1.346566033826389E-13
tp -1.518076631262238E-11 4.073261737905456E-11 5.463213174845042E-8 -1.109298984110254E-10 1.433118597501787E-8 4.141197047399045E-11
node 6.127966924846201E-14 -1.679298453860308E-13 -1.109298984110254E-10 9.84863416231964E-10 -9.937149154303946E-10 5.296111999141234E-11
peri -4.254284622040684E-12 1.142979906908356E-11 1.433118597501787E-8 -9.937149154303946E-10 4.738656897598284E-9 -3.981876560407691E-11
i -5.16942257945759E-14 1.346566033826389E-13 4.141197047399045E-11 5.296111999141234E-11 -3.981876560407691E-11 5.572812271896466E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440856  

447151 (2005 GR94)          Discovered 2005-Apr-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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