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17871 (1998 RD58)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07656361648501619 3.3317e-08  
a 3.527263097632464 2.7334e-08 au
q 3.257203078583582 1.1949e-07 au
i 14.96067690654188 5.0184e-06 deg
node 2.447256368509555 1.4908e-05 deg
peri 278.3628999877905 3.6197e-05 deg
M 170.6530843483133 3.3344e-05 deg
tp 2457853.490934729223
(2017-Apr-09.99093473)
0.000225 TDB
period 2419.664813409867
6.62
2.8126e-05
7.7e-08
d
yr
n .1487809377583487 1.7294e-09 deg/d
Q 3.797323116681346 2.9427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2036  
   data-arc span      14771 days (40.44 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:42:11  

Additional Information
 Earth MOID = 2.28855 au 
 Jupiter MOID = 1.46582 au 
 T_jup = 3.061 
[ 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 11.9   n/a MPO452424  
diameter diameter 23.532 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17871 (1998 RD58)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD58 = 1979 WP2 = 1985 SS4 = 1991 RN30 = 1998 WD34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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