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74207 (1998 RJ59)
Classification: Main-belt Asteroid          SPK-ID: 2074207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155974568349832 5.3905e-08  
a 2.565703124106514 1.4016e-08 au
q 2.165518686810185 1.3898e-07 au
i 5.122110492834496 6.0682e-06 deg
node 341.1841668323669 6.0545e-05 deg
peri 357.0071284324963 6.3881e-05 deg
M 118.2875841830575 2.2652e-05 deg
tp 2458507.275441435989
(2019-Jan-23.77544144)
9.2023e-05 TDB
period 1501.094491948176
4.11
1.23e-05
3.368e-08
d
yr
n .2398250089724723 1.9652e-09 deg/d
Q 2.965887561402843 1.6202e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      7782 days (21.31 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:12:44  

Additional Information
 Earth MOID = 1.15647 au 
 Jupiter MOID = 2.41168 au 
 T_jup = 3.410 
[ 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 15.1   n/a MPO259796  
diameter diameter 2.352 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74207 (1998 RJ59)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RJ59 = 2002 PC59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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