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187160 (2005 RG22)
Classification: Main-belt Asteroid          SPK-ID: 2187160
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175861389908696 4.5414e-08  
a 2.337713182675632 1.062e-08 au
q 1.829059197189184 1.0811e-07 au
i 1.682980691832527 5.798e-06 deg
node 59.17266632996366 0.00017722 deg
peri 264.1701560536465 0.00017786 deg
M 120.3286901116416 1.7948e-05 deg
tp 2458764.132945659271
(2019-Oct-07.63294566)
6.3087e-05 TDB
period 1305.525219437788
3.57
8.8966e-06
2.436e-08
d
yr
n .2757510882516927 1.8791e-09 deg/d
Q 2.846367168162081 1.2931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:15  

Additional Information
 Earth MOID = .815759 au 
 Jupiter MOID = 2.48324 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456894.5 (2014-Aug-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2176097961969742 4.5306e-08  
q 1.828887949987324 1.0779e-07 au
tp 2457459.887247740748
(2016-Mar-12.38724774)
5.7757e-05 TDB
node 59.18562678573487 0.0001771 deg
peri 264.294873275549 0.00017774 deg
i 1.683899672884889 5.7996e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:15  

Additional Information
 Jupiter MOID = 2.48324 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052605757760266E-15 -4.869603993042456E-15 4.126931374702616E-13 -3.161027466692317E-15 9.331866815300606E-14 -1.001354544725641E-15
q -4.869603993042456E-15 1.161803462603953E-14 -7.050447774572783E-13 5.935482261770816E-15 -1.605547034184772E-13 2.540719925479489E-15
tp 4.126931374702616E-13 -7.050447774572783E-13 3.335853215706365E-9 -6.263336809252547E-12 8.923700498290824E-10 1.369160859187646E-13
node -3.161027466692317E-15 5.935482261770816E-15 -6.263336809252547E-12 3.136477633685459E-8 -3.135188261662713E-8 -3.518598058318709E-10
peri 9.331866815300606E-14 -1.605547034184772E-13 8.923700498290824E-10 -3.135188261662713E-8 3.159301170904572E-8 3.517176838147297E-10
i -1.001354544725641E-15 2.540719925479489E-15 1.369160859187646E-13 -3.518598058318709E-10 3.517176838147297E-10 3.363585797310556E-11

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 17.19   n/a MPCxxxxx  

187160 (2005 RG22)          Discovered 2005-Sep-08 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2005 RG22 = 1998 UG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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