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134701 (1999 XT122)
Classification: Main-belt Asteroid          SPK-ID: 2134701
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2364528310676404 5.9242e-08  
a 2.395058051224586 1.7049e-08 au
q 1.828739794441187 1.3723e-07 au
i 4.190111705024798 4.9752e-06 deg
node 309.883910165566 7.9971e-05 deg
peri 71.89972242160043 8.088e-05 deg
M 211.5502695888438 1.8418e-05 deg
tp 2459558.776575380297
(2021-Dec-10.27657538)
7.4221e-05 TDB
period 1353.85606009698
3.71
1.4456e-05
3.958e-08
d
yr
n .2659071452353748 2.8393e-09 deg/d
Q 2.961376308007986 2.1081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1997-03-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:22:20  

Additional Information
 Earth MOID = .836838 au 
 Jupiter MOID = 2.52413 au 
 T_jup = 3.487 
[ 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 16.6   n/a MPO459636  
diameter diameter 1.347 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134701 (1999 XT122)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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