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JPL Small-Body Database Browser
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47328 (1999 XZ27)
Classification: Main-belt Asteroid          SPK-ID: 2047328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629147186388964 3.2401e-08  
a 2.409579720155299 9.6984e-09 au
q 2.017023718008208 7.859e-08 au
i 2.370029124615062 4.6723e-06 deg
node 12.80682775811161 9.3583e-05 deg
peri 120.7252673966214 9.4847e-05 deg
M 107.8601761167558 1.5926e-05 deg
tp 2458591.174312220159
(2019-Apr-17.67431222)
5.9617e-05 TDB
period 1366.187715484836
3.74
8.2482e-06
2.258e-08
d
yr
n .2635069807169524 1.5909e-09 deg/d
Q 2.80213572230239 1.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:41:40  

Additional Information
 Earth MOID = 1.03245 au 
 Jupiter MOID = 2.23514 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456294.5 (2013-Jan-02.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630928467722825 3.2433e-08  
q 2.01651930245236 7.884e-08 au
tp 2455859.934051097696
(2011-Oct-25.43405110)
5.6632e-05 TDB
node 12.84992570463134 9.358e-05 deg
peri 120.714175026212 9.4839e-05 deg
i 2.370615692664685 4.6716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:41:40  

Additional Information
 Jupiter MOID = 2.23514 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.051925671186641E-15 -2.542962775377126E-15 1.152681612043611E-13 1.356978543238084E-15 4.615199038347953E-14 -4.09062963234179E-17
q -2.542962775377126E-15 6.215748416519032E-15 -2.659294205247313E-13 -4.089125241248101E-15 -1.026694684956839E-13 1.755264534475164E-16
tp 1.152681612043611E-13 -2.659294205247313E-13 3.207138695950803E-9 -7.450278261125547E-12 8.832655864186961E-10 1.047307630450762E-12
node 1.356978543238084E-15 -4.089125241248101E-15 -7.450278261125547E-12 8.757194424005371E-9 -8.751368829420915E-9 7.265689820677676E-11
peri 4.615199038347953E-14 -1.026694684956839E-13 8.832655864186961E-10 -8.751368829420915E-9 8.994356548381545E-9 -7.231430784447435E-11
i -4.09062963234179E-17 1.755264534475164E-16 1.047307630450762E-12 7.265689820677676E-11 -7.231430784447435E-11 2.182395899294414E-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 15.2   n/a MPO365805  

47328 (1999 XZ27)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XZ27 = 1997 EL3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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