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52597 (1997 RM9)
Classification: Main-belt Asteroid          SPK-ID: 2052597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633328197374487 7.5145e-08  
a 2.749619543664097 1.8634e-08 au
q 2.300516430392243 2.1074e-07 au
i 12.55503728245343 9.2121e-06 deg
node 356.3299126356684 1.9826e-05 deg
peri 324.1328360471944 3.015e-05 deg
M 34.58414828866347 2.0663e-05 deg
tp 2458840.514022262531
(2019-Dec-23.01402226)
9.5543e-05 TDB
period 1665.356957897623
4.56
1.6929e-05
4.635e-08
d
yr
n .2161698717459773 2.1975e-09 deg/d
Q 3.198722656935951 2.1678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1997-09-15  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:19:54  

Additional Information
 Earth MOID = 1.30139 au 
 Jupiter MOID = 2.20615 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456357.5 (2013-Mar-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643901816547257 7.5424e-08  
q 2.296887279802112 2.1199e-07 au
tp 2457178.212230537386
(2015-Jun-04.71223054)
9.5826e-05 TDB
node 356.4251627431034 1.9805e-05 deg
peri 324.7951124993163 2.9956e-05 deg
i 12.56431404166192 9.2179e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1997-09-15  
   last obs. used      2019-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53491  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 08:19:54  

Additional Information
 Jupiter MOID = 2.20615 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.688744488821158E-15 -1.594793602776397E-14 4.45541239550712E-12 7.432916000046705E-15 9.050578087698402E-13 -2.157129827602819E-14
q -1.594793602776397E-14 4.49406710551357E-14 -1.25472887220019E-11 -2.203072290113809E-14 -2.580944880773319E-12 6.327847159401128E-14
tp 4.45541239550712E-12 -1.25472887220019E-11 9.182644280553418E-9 4.596394639234573E-12 2.144819288707773E-9 -2.776772811257475E-11
node 7.432916000046705E-15 -2.203072290113809E-14 4.596394639234573E-12 3.922279211779606E-10 -3.808175082669178E-10 2.672766225304676E-11
peri 9.050578087698402E-13 -2.580944880773319E-12 2.144819288707773E-9 -3.808175082669178E-10 8.973709310919796E-10 -3.236672955455331E-11
i -2.157129827602819E-14 6.327847159401128E-14 -2.776772811257475E-11 2.672766225304676E-11 -3.236672955455331E-11 8.497044257414349E-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 14.9   n/a MPO439448  
diameter diameter 3.500 km 0.982 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52597 (1997 RM9)          Discovered 1997-Sep-15 by Sarounova, L. at Ondrejov
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2141-Oct-27 13:53 00:01 Thisb 0.0425228164213111 0.0425154643648459 0.0425301954139373 3.72166656441368 3.72166652132976 2503344.078695377 1.10236059802929 1742.78994762715 51.9011085463801 77.960416960215 119794.37859191 T 15 CATAB v2.0f-lin.ifort 2020-Jan-29 08:20:09 2020-Jan-29 08:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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