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160191 (2001 XK212)
Classification: Main-belt Asteroid          SPK-ID: 2160191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041391502828855 5.427e-08  
a 2.708435820703524 1.5728e-08 au
q 2.426381615739729 1.4782e-07 au
i 5.310616827637515 4.1777e-06 deg
node 124.8122813772667 5.9312e-05 deg
peri 252.437174612892 6.3257e-05 deg
M 151.2045071363217 2.4769e-05 deg
tp 2458516.685215214063
(2019-Feb-02.18521521)
0.00010827 TDB
period 1628.081908305779
4.46
1.4182e-05
3.883e-08
d
yr
n .221119096136032 1.9261e-09 deg/d
Q 2.990490025667318 1.7366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1998-01-25  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:18  

Additional Information
 Earth MOID = 1.43264 au 
 Jupiter MOID = 2.48554 au 
 T_jup = 3.350 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457329.5 (2015-Nov-03.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025393103028724 5.4138e-08  
q 2.431413678372847 1.4717e-07 au
tp 2456881.944137870812
(2014-Aug-12.44413787)
0.00010204 TDB
node 124.9342210818522 5.9195e-05 deg
peri 251.1944486695273 6.3305e-05 deg
i 5.314385201938696 4.183e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      8479 days (23.21 yr)  
   first obs. used      1998-01-25  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:49:18  

Additional Information
 Jupiter MOID = 2.48554 au 
 T_jup = 3.350 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.930934167829808E-15 -7.930110827491411E-15 5.388528499185325E-14 -1.657655440373968E-14 -3.711496586058139E-14 -2.107705310117509E-15
q -7.930110827491411E-15 2.165856728592698E-14 6.344023755542795E-13 4.317232953132524E-14 2.793988820966946E-13 5.700808400196437E-15
tp 5.388528499185325E-14 6.344023755542795E-13 1.041271462856739E-8 -5.193417443290902E-12 2.332103071295103E-9 -4.944986779514685E-13
node -1.657655440373968E-14 4.317232953132524E-14 -5.193417443290902E-12 3.504067222311088E-9 -3.489602742819011E-9 5.801095047888643E-11
peri -3.711496586058139E-14 2.793988820966946E-13 2.332103071295103E-9 -3.489602742819011E-9 4.007540730357718E-9 -5.782786896460632E-11
i -2.107705310117509E-15 5.700808400196437E-15 -4.944986779514685E-13 5.801095047888643E-11 -5.782786896460632E-11 1.749751097886942E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B55  

160191 (2001 XK212)          Discovered 2001-Dec-11 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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