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160374 (2004 GR22)
Classification: Main-belt Asteroid          SPK-ID: 2160374
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255343899033302 4.1819e-08  
a 2.292671971796805 1.0435e-08 au
q 2.004862794568828 9.7199e-08 au
i 3.199051846548803 4.9969e-06 deg
node 169.5437023952346 7.3911e-05 deg
peri 59.16787188331829 7.5963e-05 deg
M 273.6947708882121 1.8239e-05 deg
tp 2459504.480635402812
(2021-Oct-16.98063540)
6.4807e-05 TDB
period 1267.976805939162
3.47
8.6567e-06
2.37e-08
d
yr
n .2839168652878916 1.9383e-09 deg/d
Q 2.580481149024781 1.1745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1998-09-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:28  

Additional Information
 Earth MOID = .995952 au 
 Jupiter MOID = 2.40094 au 
 T_jup = 3.585 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255438676955836 4.1804e-08  
q 2.004555047104361 9.7151e-08 au
tp 2456969.473614152532
(2014-Nov-07.97361415)
6.2171e-05 TDB
node 169.5749591466376 7.3896e-05 deg
peri 59.28740853245512 7.5954e-05 deg
i 3.199221772106766 4.9982e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1998-09-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:28  

Additional Information
 Jupiter MOID = 2.40094 au 
 T_jup = 3.585 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.747597010559107E-15 -4.043613520687036E-15 -6.144016239340395E-13 -2.718520833970199E-15 -1.947094073761269E-13 -1.424642143228879E-15
q -4.043613520687036E-15 9.438376154668603E-15 1.418694824939625E-12 6.981972203896683E-15 4.511294728677008E-13 3.462805262704216E-15
tp -6.144016239340395E-13 1.418694824939625E-12 3.865266763938647E-9 1.392142995826653E-11 1.10517893401001E-9 2.638583636209579E-13
node -2.718520833970199E-15 6.981972203896683E-15 1.392142995826653E-11 5.460600419336188E-9 -5.447556063573015E-9 6.305881029994357E-11
peri -1.947094073761269E-13 4.511294728677008E-13 1.10517893401001E-9 -5.447556063573015E-9 5.769037079028278E-9 -6.286515626146085E-11
i -1.424642143228879E-15 3.462805262704216E-15 2.638583636209579E-13 6.305881029994357E-11 -6.286515626146085E-11 2.498245918039089E-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 17.34   n/a MPCxxxxx  

160374 (2004 GR22)          Discovered 2004-Apr-12 by LONEOS at Anderson Mesa
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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