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74641 (1999 RX60)
Classification: Main-belt Asteroid          SPK-ID: 2074641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291888799763913 4.1384e-08  
a 2.228499563865284 7.4329e-09 au
q 1.940602201181651 9.3099e-08 au
i 5.170065630151299 5.043e-06 deg
node 189.3017943454929 3.4984e-05 deg
peri 31.96895002547877 3.826e-05 deg
M 65.06717862014634 1.5414e-05 deg
tp 2458380.877550041035
(2018-Sep-19.37755004)
5.1722e-05 TDB
period 1215.114650149394
3.33
6.0793e-06
1.664e-08
d
yr
n .2962683397453395 1.4822e-09 deg/d
Q 2.516396926548916 8.3931e-09 au
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      8372 days (22.92 yr)  
   first obs. used      1996-11-01  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53908  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:23  

Additional Information
 Earth MOID = .935102 au 
 Jupiter MOID = 2.45636 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456854.5 (2014-Jul-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289966943450232 4.1449e-08  
q 1.941626851362723 9.3238e-08 au
tp 2457165.197608214926
(2015-May-22.69760821)
5.0511e-05 TDB
node 189.3440505829237 3.499e-05 deg
peri 31.82177688864257 3.826e-05 deg
i 5.16872264666303 5.0425e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      985  
   data-arc span      8372 days (22.92 yr)  
   first obs. used      1996-11-01  
   last obs. used      2019-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53908  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:23  

Additional Information
 Jupiter MOID = 2.45636 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.717998553750326E-15 -3.855406954853232E-15 -8.815859670213667E-13 1.270186882741954E-14 -2.50967364918246E-13 -1.903151312853161E-15
q -3.855406954853232E-15 8.693250962647765E-15 2.017345809128652E-12 -2.835332912432822E-14 5.713887046427963E-13 4.164392951422551E-15
tp -8.815859670213667E-13 2.017345809128652E-12 2.551375371531364E-9 -7.838801867853713E-12 7.865275608162414E-10 3.30598609717061E-12
node 1.270186882741954E-14 -2.835332912432822E-14 -7.838801867853713E-12 1.224269218611513E-9 -1.220915663601952E-9 -1.140814917978532E-11
peri -2.50967364918246E-13 5.713887046427963E-13 7.865275608162414E-10 -1.220915663601952E-9 1.463809216008713E-9 1.235442200234999E-11
i -1.903151312853161E-15 4.164392951422551E-15 3.30598609717061E-12 -1.140814917978532E-11 1.235442200234999E-11 2.542664571548523E-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 15.6   n/a MPO493391  

74641 (1999 RX60)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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