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146760 (2001 XZ170)
Classification: Main-belt Asteroid          SPK-ID: 2146760
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756058502706429 4.7002e-08  
a 3.193811125318224 2.6798e-08 au
q 2.632959207052879 1.4803e-07 au
i 2.608222845246587 5.803e-06 deg
node 122.2050529819336 0.00011497 deg
peri 261.4584991231921 0.00011622 deg
M 162.33794640903 1.7141e-05 deg
tp 2458260.387520028376
(2018-May-21.88752003)		 9.4902e-05 TDB
period 2084.789787453903
5.71		 2.6239e-05
7.184e-08		 d
yr
n .1726792802643466 2.1733e-09 deg/d
Q 3.75466304358357 3.1504e-08 au
   Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-08-29  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Earth MOID = 1.63685 au 
 Jupiter MOID = 1.70509 au 
 T_jup = 3.170 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457274.5 (2015-Sep-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744953764989323 4.6907e-08  
q 2.636654987114586 1.4746e-07 au
tp 2458261.771228322113
(2018-May-23.27122832)		 9.5518e-05 TDB
node 122.2126201978909 0.00011497 deg
peri 261.8320315985757 0.00011624 deg
i 2.607909486686577 5.8022e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7171 days (19.63 yr)  
   first obs. used      2000-08-29  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:56:47  

Additional Information
 Jupiter MOID = 1.70509 au 
 T_jup = 3.170 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.200288503077559E-15 -6.842257150480423E-15 -1.172588942117488E-13 -8.56252325315918E-15 -8.166742201358551E-14 -1.04258932433246E-15
q -6.842257150480423E-15 2.174478166508231E-14 1.004973917629583E-12 2.737799118746812E-14 3.166531183117569E-13 3.334271436015722E-15
tp -1.172588942117488E-13 1.004973917629583E-12 9.123713258838478E-9 -7.025368426105019E-12 1.650373704513708E-9 -1.173234017681665E-12
node -8.56252325315918E-15 2.737799118746812E-14 -7.025368426105019E-12 1.321818547087722E-8 -1.32051100115077E-8 4.111745111855543E-11
peri -8.166742201358551E-14 3.166531183117569E-13 1.650373704513708E-9 -1.32051100115077E-8 1.351243090863848E-8 -4.128139260762781E-11
i -1.04258932433246E-15 3.334271436015722E-15 -1.173234017681665E-12 4.111745111855543E-11 -4.128139260762781E-11 3.366565591015379E-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 15.45   n/a E2021B55  

146760 (2001 XZ170)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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