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JPL Small-Body Database Browser
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71208 (1999 XO248)
Classification: Main-belt Asteroid          SPK-ID: 2071208
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697788988170502 4.3277e-08  
a 2.632255659010089 1.5302e-08 au
q 2.185354191818408 1.1697e-07 au
i 12.60180974410735 6.6903e-06 deg
node 219.2958684353917 2.2427e-05 deg
peri 95.36559464192592 2.9416e-05 deg
M 29.85460259818679 2.0558e-05 deg
tp 2458871.140203792274
(2020-Jan-22.64020379)
8.8592e-05 TDB
period 1559.877626293028
4.27
1.3602e-05
3.724e-08
d
yr
n .2307873348087709 2.0124e-09 deg/d
Q 3.079157126201772 1.79e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      10438 days (28.58 yr)  
   first obs. used      1990-10-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54849  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:36  

Additional Information
 Earth MOID = 1.21598 au 
 Jupiter MOID = 2.31309 au 
 T_jup = 3.345 
[ 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 14.8   n/a MPO299431  
diameter diameter 3.255 km 1.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.241   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71208 (1999 XO248)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XO248 = 2002 LB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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