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437425 (2013 XE20)
Classification: Main-belt Asteroid          SPK-ID: 2437425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03712359273015507 7.9826e-08  
a 3.173062233103087 8.1408e-08 au
q 3.055266763053932 2.3671e-07 au
i 22.57069719633853 1.1173e-05 deg
node 122.8434805950928 1.986e-05 deg
peri 115.9230898584608 0.0001495 deg
M 305.1014831354175 0.00014988 deg
tp 2459315.328777369651
(2021-Apr-10.82877737)
0.00086234 TDB
period 2064.506772243864
5.65
7.945e-05
2.175e-07
d
yr
n .1743757903049765 6.7106e-09 deg/d
Q 3.290857703152243 8.443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      8401 days (23.00 yr)  
   first obs. used      1997-02-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:10:40  

Additional Information
 Earth MOID = 2.08292 au 
 Jupiter MOID = 1.93919 au 
 T_jup = 3.081 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457504.5 (2016-Apr-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03700106328720693 7.9064e-08  
q 3.056151450775778 2.3475e-07 au
tp 2457239.089556800536
(2015-Aug-04.58955680)
0.00085563 TDB
node 122.868002336022 1.9861e-05 deg
peri 114.0822842329329 0.00015096 deg
i 22.56872048635551 1.1172e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      8401 days (23.00 yr)  
   first obs. used      1997-02-01  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:10:40  

Additional Information
 Jupiter MOID = 1.93919 au 
 T_jup = 3.081 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.251143385798017E-15 -1.76410609864121E-14 1.75042760786637E-11 -3.573511362152881E-15 2.933703215153041E-12 7.138286221126108E-15
q -1.76410609864121E-14 5.510779389292578E-14 -4.487103042534502E-11 1.504949150940811E-14 -7.382805956556168E-12 -2.04332365705764E-14
tp 1.75042760786637E-11 -4.487103042534502E-11 7.320969180534996E-7 -1.023245401052011E-10 1.280816775696943E-7 -1.10272771857697E-10
node -3.573511362152881E-15 1.504949150940811E-14 -1.023245401052011E-10 3.944674026931631E-10 -3.810664283310481E-10 6.841768380201205E-12
peri 2.933703215153041E-12 -7.382805956556168E-12 1.280816775696943E-7 -3.810664283310481E-10 2.278804462416124E-8 -2.614379158555946E-11
i 7.138286221126108E-15 -2.04332365705764E-14 -1.10272771857697E-10 6.841768380201205E-12 -2.614379158555946E-11 1.24820151636629E-10

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 15.4   n/a MPO434610  

437425 (2013 XE20)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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