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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632541296793142 5.2827e-08  
a 2.75057823469117 1.3692e-08 au
q 2.301534978871798 1.4024e-07 au
i 12.55431269022747 4.7735e-06 deg
node 356.3230252741824 1.927e-05 deg
peri 324.2707754185141 2.6291e-05 deg
M 120.0436947009643 1.8772e-05 deg
tp 2458840.888427382837
(2019-Dec-23.38842738)
8.4794e-05 TDB
period 1666.228006730719
4.56
1.2441e-05
3.406e-08
d
yr
n .2160568652944147 1.6132e-09 deg/d
Q 3.199621490510542 1.5927e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1997-09-15  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:54:06  

Additional Information
 Earth MOID = 1.30162 au 
 Jupiter MOID = 2.2053 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457871.5 (2017-Apr-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1645434370136395 5.2601e-08  
q 2.296566101356285 1.3967e-07 au
tp 2457176.866330496522
(2015-Jun-03.36633050)
7.9248e-05 TDB
node 356.4119726894015 1.9252e-05 deg
peri 324.4287053520562 2.6228e-05 deg
i 12.56327108416943 4.7789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      8601 days (23.55 yr)  
   first obs. used      1997-09-15  
   last obs. used      2021-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:54:06  

Additional Information
 Jupiter MOID = 2.2053 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.766828129050878E-15 -7.327984761632262E-15 1.540307487098024E-12 -2.366939082641279E-15 1.65709613485587E-13 -7.55774073416406E-15
q -7.327984761632262E-15 1.950828809323627E-14 -3.930107196698945E-12 7.429800859061559E-15 -3.949842939270758E-13 2.002974992434111E-14
tp 1.540307487098024E-12 -3.930107196698945E-12 6.280211773680397E-9 -3.828688835105929E-12 1.405039208239118E-9 -2.609344172647977E-11
node -2.366939082641279E-15 7.429800859061559E-15 -3.828688835105929E-12 3.706291215886204E-10 -3.618769898107666E-10 4.888648909673614E-11
peri 1.65709613485587E-13 -3.949842939270758E-13 1.405039208239118E-9 -3.618769898107666E-10 6.879247485463249E-10 -5.344729543002522E-11
i -7.55774073416406E-15 2.002974992434111E-14 -2.609344172647977E-11 4.888648909673614E-11 -5.344729543002522E-11 2.283831580848006E-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 14.82   n/a E2021B10  
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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