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74657 (1999 RG88)
Classification: Main-belt Asteroid          SPK-ID: 2074657
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09967068395495039 6.1763e-08  
a 2.300102317054964 6.7553e-09 au
q 2.07084954594773 1.4206e-07 au
i 3.560806947789283 6.5866e-06 deg
node 179.8281888018456 5.2794e-05 deg
peri 215.3109654284526 5.6594e-05 deg
M 305.9911189516243 1.9252e-05 deg
tp 2459191.653317204023
(2020-Dec-08.15331720)		 6.8116e-05 TDB
period 1274.145897075902
3.49		 5.6131e-06
1.537e-08		 d
yr
n .2825422118661459 1.2447e-09 deg/d
Q 2.529355088162198 7.4286e-09 au
   Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1994-03-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:18  

Additional Information
 Earth MOID = 1.07821 au 
 Jupiter MOID = 2.82604 au 
 T_jup = 3.583 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007297295905333 6.1879e-08  
q 2.068342605360068 1.4258e-07 au
tp 2456643.449439289527
(2013-Dec-16.94943929)		 6.7984e-05 TDB
node 179.910460625673 5.2793e-05 deg
peri 215.2770465978284 5.6487e-05 deg
i 3.560916154964137 6.5893e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1994-03-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:09:18  

Additional Information
 Jupiter MOID = 2.82604 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.829025973838845E-15 -8.815021074110173E-15 -2.364256808825087E-12 3.638713521912588E-14 -6.820479268862696E-13 4.196322289706681E-15
q -8.815021074110173E-15 2.033004104572028E-14 5.368934648516963E-12 -8.352085413879359E-14 1.552706707184008E-12 -9.552148460561289E-15
tp -2.364256808825087E-12 5.368934648516963E-12 4.621777673396282E-9 -3.119067880372004E-11 1.37215552301586E-9 -2.617783464008586E-12
node 3.638713521912588E-14 -8.352085413879359E-14 -3.119067880372004E-11 2.787085001807744E-9 -2.789971826167283E-9 1.405860467229064E-10
peri -6.820479268862696E-13 1.552706707184008E-12 1.37215552301586E-9 -2.789971826167283E-9 3.190746663797422E-9 -1.410271241868894E-10
i 4.196322289706681E-15 -9.552148460561289E-15 -2.617783464008586E-12 1.405860467229064E-10 -1.410271241868894E-10 4.341873746875688E-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 16.1   n/a MPO432299  

74657 (1999 RG88)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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