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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412647089384969 2.9175e-08  
a 2.325818548774719 6.079e-09 au
q 1.764680613560829 6.8401e-08 au
i 1.845357375264168 4.1568e-06 deg
node 166.1341204818315 0.00011167 deg
peri 245.2280315331609 0.000112 deg
M 8.396963896324806 9.6317e-06 deg
tp 2458970.280870022829
(2020-Apr-30.78087002)
3.4618e-05 TDB
period 1295.573843844096
3.55
5.0794e-06
1.391e-08
d
yr
n .2778691478764685 1.0894e-09 deg/d
Q 2.886956483988609 7.5457e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1016  
   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      .57941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:19:37  

Additional Information
 Earth MOID = .776402 au 
 Jupiter MOID = 2.49275 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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