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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633122895664518 5.2813e-08  
a 2.750003477288985 1.3682e-08 au
q 2.300894113097217 1.4018e-07 au
i 12.55450324295034 4.7756e-06 deg
node 356.3279732724693 1.9273e-05 deg
peri 324.1933581453301 2.6295e-05 deg
M 77.76445450397048 1.8616e-05 deg
tp 2458840.686941868068
(2019-Dec-23.18694187)
8.4799e-05 TDB
period 1665.705774620739
4.56
1.2431e-05
3.403e-08
d
yr
n .2161246034474291 1.6129e-09 deg/d
Q 3.199112841480753 1.5917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      8571 days (23.47 yr)  
   first obs. used      1997-09-15  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:27  

Additional Information
 Earth MOID = 1.29983 au 
 Jupiter MOID = 2.20603 au 
 T_jup = 3.292 
[ show covariance matrix ]

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 14.82   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

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