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173959 (2001 XE23)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173959
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1390379645433137 4.3766e-08  
a 3.215901401743567 3.1443e-08 au
q 2.768769016673152 1.3345e-07 au
i 4.872257835729277 6.5226e-06 deg
node .3945032014692297 5.3374e-05 deg
peri 105.1500887754891 5.8568e-05 deg
M 65.52430802724859 2.4801e-05 deg
tp 2458617.099692524115
(2019-May-13.59969252)
0.00014286 TDB
period 2106.456593695286
5.77
3.0893e-05
8.458e-08
d
yr
n .1709031180977074 2.5065e-09 deg/d
Q 3.663033786813982 3.5815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:15:38  

Additional Information
 Earth MOID = 1.79072 au 
 Jupiter MOID = 1.48759 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457416.5 (2016-Jan-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1401322194111389 4.3845e-08  
q 2.764706710243773 1.3376e-07 au
tp 2456512.016330673167
(2013-Aug-07.51633067)
0.00013285 TDB
node .4137127553839657 5.3376e-05 deg
peri 105.4685300490057 5.8481e-05 deg
i 4.873075388401935 6.523e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55734  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:15:38  

Additional Information
 Jupiter MOID = 1.48759 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.922402336970499E-15 -5.760707602164609E-15 1.543898567234904E-12 5.503804020444503E-16 2.971799773271745E-13 -6.040389217189801E-16
q -5.760707602164609E-15 1.78908109827605E-14 -4.335077304066988E-12 -1.371631571586371E-15 -7.917339778195388E-13 1.932741230942391E-15
tp 1.543898567234904E-12 -4.335077304066988E-12 1.764810263069048E-8 -2.07241431696582E-11 3.186028351204851E-9 -1.744153753526082E-12
node 5.503804020444503E-16 -1.371631571586371E-15 -2.07241431696582E-11 2.848955709892717E-9 -2.841445571794309E-9 -1.640285699748368E-11
peri 2.971799773271745E-13 -7.917339778195388E-13 3.186028351204851E-9 -2.841445571794309E-9 3.419978383584849E-9 1.604504250346031E-11
i -6.040389217189801E-16 1.932741230942391E-15 -1.744153753526082E-12 -1.640285699748368E-11 1.604504250346031E-11 4.254974569843712E-11

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 15.2   n/a MPO502965  

173959 (2001 XE23)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 XE23 = 2000 TT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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