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JPL Small-Body Database Browser
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215352 (2001 XZ87)
Classification: Main-belt Asteroid          SPK-ID: 2215352
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08885216611990436 4.1653e-08  
a 2.168007120903868 1.0082e-08 au
q 1.975374992048182 8.7874e-08 au
i 3.636242729937217 4.2498e-06 deg
node 92.4591272651504 9.3596e-05 deg
peri 2.043942374427063 0.00010032 deg
M 167.9539324037119 3.6136e-05 deg
tp 2458056.527231504266
(2017-Oct-30.02723150)
0.00011612 TDB
period 1165.975656870874
3.19
8.1329e-06
2.227e-08
d
yr
n .3087543019261063 2.1536e-09 deg/d
Q 2.360639249759554 1.0977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      1999-02-18  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:12:16  

Additional Information
 Earth MOID = .992194 au 
 Jupiter MOID = 2.75226 au 
 T_jup = 3.683 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456781.5 (2014-May-04.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08898386836508961 4.1653e-08  
q 1.974240374700283 8.7878e-08 au
tp 2456891.134146342512
(2014-Aug-21.63414634)
0.00011405 TDB
node 92.48531466631623 9.3617e-05 deg
peri 2.022069808455041 0.0001003 deg
i 3.636534791886262 4.2481e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      1999-02-18  
   last obs. used      2018-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:12:16  

Additional Information
 Jupiter MOID = 2.75226 au 
 T_jup = 3.683 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.734957800553812E-15 -3.642525440389993E-15 2.869052430136454E-12 -1.152531395711073E-14 8.983736128409149E-13 -7.313685873792435E-16
q -3.642525440389993E-15 7.722516413586856E-15 -6.050768957031268E-12 2.433018426330611E-14 -1.897608319035751E-12 1.664742421764485E-15
tp 2.869052430136454E-12 -6.050768957031268E-12 1.300712751433026E-8 -2.871997625936873E-11 4.147687026739137E-9 -3.103455655770254E-12
node -1.152531395711073E-14 2.433018426330611E-14 -2.871997625936873E-11 8.764138003788928E-9 -8.755130182101279E-9 2.202140233692084E-10
peri 8.983736128409149E-13 -1.897608319035751E-12 4.147687026739137E-9 -8.755130182101279E-9 1.005981220461148E-8 -2.207774637484835E-10
i -7.313685873792435E-16 1.664742421764485E-15 -3.103455655770254E-12 2.202140233692084E-10 -2.207774637484835E-10 1.804655264691671E-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 16.7   n/a MPO437030  

215352 (2001 XZ87)          Discovered 2001-Dec-14 by Yeung, W. K. Y. at Desert Eagle
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2001 XZ87 = 1999 DN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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