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163023 (2001 XU1)
Classification: Aten [NEO]          SPK-ID: 2163023
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455701.5 (2011-May-20.0) TDB
Reference: JPL 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5462666994670399 1.7829e-07  
a .7973524357853328 2.7743e-09 au
q .3617853523768742 1.4263e-07 au
i 27.15698273763341 2.0989e-05 deg
node 69.7286433522433 9.7085e-06 deg
peri 208.4954223422727 1.4729e-05 deg
M 214.0920882225787 4.1181e-05 deg
tp 2455806.902340804751
(2011-Sep-02.40234080)
2.9671e-05 TDB
period 260.0602135105204
0.71
1.3573e-06
3.716e-09
d
yr
n 1.384294795195331 7.2246e-09 deg/d
Q 1.232919519193791 4.2897e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.94810836004939E-14 1.171E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      6268 days (17.16 yr)  
   first obs. used      2001-11-23  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-22 08:27:00  

Additional Information
 Earth MOID = .0575134 au 
 Jupiter MOID = 3.90507 au 
 T_jup = 7.109 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 19.3   n/a MPO396321  

163023 (2001 XU1)          Discovered 2001-Dec-08 by LINEAR at Socorro
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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