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JPL Small-Body Database Browser
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47456 (1999 XZ231)
Classification: Main-belt Asteroid          SPK-ID: 2047456
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 .1783128564451231 4.3179e-08  
a 2.343063093611663 1.1931e-08 au
q 1.925264820558621 9.8875e-08 au
i 12.32723021288817 6.5899e-06 deg
node 1.875296172961305 2.2384e-05 deg
peri 68.40286798801736 2.9736e-05 deg
M 179.2970829759055 2.0772e-05 deg
tp 2457948.053170387001
(2017-Jul-13.55317039)
7.3823e-05 TDB
period 1310.009369713191
3.59
1.0006e-05
2.739e-08
d
yr
n .274807194759849 2.099e-09 deg/d
Q 2.760861366664705 1.4058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1135  
   data-arc span      12641 days (34.61 yr)  
   first obs. used      1984-09-25  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:35:44  

Additional Information
 Earth MOID = .975267 au 
 Jupiter MOID = 2.63238 au 
 T_jup = 3.511 
[ 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 14.0   n/a MPO449302  
diameter diameter 7.086 km 1.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.065   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

47456 (1999 XZ231)          Discovered 1999-Dec-09 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XZ231 = 1984 SL2 = 1990 HU2 = 1993 DY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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