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213288 (2001 QE95)
Classification: Main-belt Asteroid          SPK-ID: 2213288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418328853094241 5.9114e-08  
a 2.695049890613509 1.8431e-08 au
q 2.312803188574947 1.5526e-07 au
i 13.26529993965669 6.1128e-06 deg
node 147.6508207473978 2.4289e-05 deg
peri 162.5057117641162 3.2809e-05 deg
M 185.5756769533981 2.4673e-05 deg
tp 2460179.484538310542
(2023-Aug-22.98453831)
0.00011421 TDB
period 1616.027104869344
4.42
1.6578e-05
4.539e-08
d
yr
n .2227685407721587 2.2852e-09 deg/d
Q 3.07729659265207 2.1045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:06  

Additional Information
 Earth MOID = 1.30167 au 
 Jupiter MOID = 2.2478 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434195442693166 5.9089e-08  
q 2.306737485901168 1.5538e-07 au
tp 2456949.049454774626
(2014-Oct-18.54945477)
0.00010249 TDB
node 147.7436740832302 2.4278e-05 deg
peri 162.4582269861686 3.2679e-05 deg
i 13.27196838142355 6.1175e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6699 days (18.34 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:06  

Additional Information
 Jupiter MOID = 2.2478 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.49155337794916E-15 -9.138600743434093E-15 2.71056413479003E-12 2.59416786269286E-14 4.70491503320099E-13 -3.06548365392087E-15
q -9.138600743434093E-15 2.414323134646867E-14 -7.021805641059631E-12 -6.811474944960717E-14 -1.200926950584515E-12 9.358365812954718E-15
tp 2.71056413479003E-12 -7.021805641059631E-12 1.050374290494759E-8 3.15541104365869E-11 2.265473778797934E-9 -1.183483109522428E-11
node 2.59416786269286E-14 -6.811474944960717E-14 3.15541104365869E-11 5.894409057304345E-10 -5.669968169854658E-10 3.951643683522137E-11
peri 4.70491503320099E-13 -1.200926950584515E-12 2.265473778797934E-9 -5.669968169854658E-10 1.067926976348897E-9 -4.11389324842747E-11
i -3.06548365392087E-15 9.358365812954718E-15 -1.183483109522428E-11 3.951643683522137E-11 -4.11389324842747E-11 3.742334691056235E-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 16.1   n/a MPO450009  
diameter diameter 1.958 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

213288 (2001 QE95)          Discovered 2001-Aug-22 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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