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37802 (1997 XD11)
Classification: Mars-crossing Asteroid          SPK-ID: 2037802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3230142880573019 4.6908e-08  
a 2.224354996803017 9.3736e-09 au
q 1.505856551123989 1.0754e-07 au
i 6.11604501646015 4.7083e-06 deg
node 310.7440413807238 3.5074e-05 deg
peri 359.5112181596592 3.5546e-05 deg
M 55.01652173591221 5.676e-06 deg
tp 2458815.319519889810
(2019-Nov-27.81951989)
1.8719e-05 TDB
period 1211.726418468814
3.32
7.6595e-06
2.097e-08
d
yr
n .2970967658317712 1.878e-09 deg/d
Q 2.942853442482046 1.2401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10378 days (28.41 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:23:02  

Additional Information
 Earth MOID = .491432 au 
 Jupiter MOID = 2.34801 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456652.5 (2013-Dec-26.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3229263245688085 4.6759e-08  
q 1.506122085658012 1.0713e-07 au
tp 2456389.716476287620
(2013-Apr-07.21647629)
2.0272e-05 TDB
node 310.804900463548 3.5065e-05 deg
peri 359.1672946874158 3.5538e-05 deg
i 6.118046427541936 4.7054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10378 days (28.41 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:23:02  

Additional Information
 Jupiter MOID = 2.34801 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.186411159802889E-15 -5.002546511467959E-15 2.931330992583088E-13 -1.029412668467847E-14 1.106537576759866E-13 -3.152175489200819E-15
q -5.002546511467959E-15 1.147676528287057E-14 -7.110326366482643E-13 2.452626528341264E-14 -2.614906151133841E-13 7.64340273074309E-15
tp 2.931330992583088E-13 -7.110326366482643E-13 4.10951999298794E-10 -8.188264872591999E-12 1.277566710661499E-10 -4.698043901688822E-13
node -1.029412668467847E-14 2.452626528341264E-14 -8.188264872591999E-12 1.229533964489704E-9 -1.224028304343042E-9 2.675393037472862E-11
peri 1.106537576759866E-13 -2.614906151133841E-13 1.277566710661499E-10 -1.224028304343042E-9 1.262982328823399E-9 -2.674382667210136E-11
i -3.152175489200819E-15 7.64340273074309E-15 -4.698043901688822E-13 2.675393037472862E-11 -2.674382667210136E-11 2.214120968376573E-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 15.2   n/a MPO333153  

37802 (1997 XD11)          Discovered 1997-Dec-03 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XD11 = 1999 GO5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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