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JPL Small-Body Database Browser
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49075 (1998 RJ58)
Classification: Main-belt Asteroid          SPK-ID: 2049075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411149223679886 2.9271e-08  
a 2.326406952663758 6.18e-09 au
q 1.765475520875887 6.856e-08 au
i 1.845096207676161 4.1899e-06 deg
node 166.1439422267435 0.00011175 deg
peri 245.1348578128605 0.00011207 deg
M 257.3266612727573 9.4782e-06 deg
tp 2458970.142706435088
(2020-Apr-30.64270644)
3.4648e-05 TDB
period 1296.065521645722
3.55
5.1644e-06
1.414e-08
d
yr
n .277763734925128 1.1068e-09 deg/d
Q 2.887338384451629 7.6701e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1996-02-10  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:40:02  

Additional Information
 Earth MOID = .776716 au 
 Jupiter MOID = 2.49155 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO502483  
diameter diameter 1.788 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49075 (1998 RJ58)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RJ58 = 2000 FZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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