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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152634658461652 3.7003e-08  
a 2.518206559790351 1.1483e-08 au
q 2.133840961600859 9.3506e-08 au
i 4.109297811574006 4.3418e-06 deg
node 77.17702611450839 5.3605e-05 deg
peri 109.1152762312701 5.5799e-05 deg
M 315.7835215000401 1.6999e-05 deg
tp 2459179.773915473611
(2020-Nov-26.27391547)
6.9355e-05 TDB
period 1459.605372475753
4.00
9.9834e-06
2.733e-08
d
yr
n .2466420080308251 1.687e-09 deg/d
Q 2.902572157979843 1.3235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      7770 days (21.27 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:19:09  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2068-Mar-03 02:46 < 00:01 Eunom 0.0492739580217447 0.049263834105874 0.0492840829072803 7.79376090353029 7.79376086697676 2476443.615033335 0.487363762672499 611.816702953109 42.620245349941 34.5129145012747 98465.4816665783 T 27 CATAB v2.0f-lin.ifort 2020-Jan-29 07:19:42 2020-Jan-29 07:19

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