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47380 (1999 XC98)
Classification: Main-belt Asteroid          SPK-ID: 2047380
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526346574418297 3.6478e-08  
a 2.518206559517232 1.1385e-08 au
q 2.13384096393755 9.2395e-08 au
i 4.109298032016374 4.3317e-06 deg
node 77.17702025338187 5.3045e-05 deg
peri 109.1152819118525 5.5259e-05 deg
M 315.7835218222225 1.6897e-05 deg
tp 2459179.773914138170
(2020-Nov-26.27391414)
6.8925e-05 TDB
period 1459.605372238294
4.00
9.8984e-06
2.71e-08
d
yr
n .2466420080709504 1.6726e-09 deg/d
Q 2.902572155096913 1.3123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1473  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:46:17  

Additional Information
 Earth MOID = 1.13934 au 
 Jupiter MOID = 2.05992 au 
 T_jup = 3.438 
[ 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 14.0   n/a MPO502471  
diameter diameter 5.033 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.211   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47380 (1999 XC98)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XC98 = 2000 AX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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