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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 ]

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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3230142871444342 4.6237e-08  
a 2.224354996976165 9.2625e-09 au
q 1.505856553271749 1.0593e-07 au
i 6.116045252442089 4.6731e-06 deg
node 310.7440424862323 3.4944e-05 deg
peri 359.5112169587289 3.5402e-05 deg
M 55.01652172780464 5.6758e-06 deg
tp 2458815.319519895477
(2019-Nov-27.81951990)
1.8717e-05 TDB
period 1211.726418610298
3.32
7.5687e-06
2.072e-08
d
yr
n .2970967657970816 1.8557e-09 deg/d
Q 2.94285344068058 1.2254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      10464 days (28.65 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:29:11  

Additional Information
 Earth MOID = .491432 au 
 Jupiter MOID = 2.34801 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456688.5 (2014-Jan-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3229050347663765 4.6098e-08  
q 1.506266438833763 1.0553e-07 au
tp 2456389.727123906646
(2013-Apr-07.22712391)
2.0106e-05 TDB
node 310.803389517593 3.4932e-05 deg
peri 359.1803465953309 3.5393e-05 deg
i 6.118135507973902 4.6704e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      10464 days (28.65 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:29:11  

Additional Information
 Jupiter MOID = 2.34801 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.125056721301835E-15 -4.858061151377168E-15 2.728660464910689E-13 -9.0705049380891E-15 1.016383476829546E-13 -2.82934185335792E-15
q -4.858061151377168E-15 1.113661120058129E-14 -6.633827679829535E-13 2.159332653107963E-14 -2.402064879086072E-13 6.875386988563212E-15
tp 2.728660464910689E-13 -6.633827679829535E-13 4.042626535833588E-10 -7.941812137151096E-12 1.249224828674421E-10 -3.938977218305008E-13
node -9.0705049380891E-15 2.159332653107963E-14 -7.941812137151096E-12 1.220264507780052E-9 -1.214727991069688E-9 2.502745034826505E-11
peri 1.016383476829546E-13 -2.402064879086072E-13 1.249224828674421E-10 -1.214727991069688E-9 1.252653417060471E-9 -2.499979657654078E-11
i -2.82934185335792E-15 6.875386988563212E-15 -3.938977218305008E-13 2.502745034826505E-11 -2.499979657654078E-11 2.181264626983782E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Jul-30 08:42 < 00:01 Earth 0.489668927596459 0.489668650599073 0.489669204597351 3.36437413072854 3.36275638615277 2430935.862565900 0.778163535891362 332.460599702408 13.5337870938922 89.5280334225593 1527919.47524539 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 00:29:14 2020-Nov-13 00:29
2016-Jul-31 19:48 < 00:01 Earth 0.491722019346138 0.491721702516027 0.491722336176331 3.37812084612767 3.37651641653215 2457601.325309055 0.0392009924628667 29.0917562126317 14.1543052922288 -74.0322565576819 1478114.56702667 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 00:29:14 2020-Nov-13 00:29
2089-Aug-06 02:41 < 00:01 Earth 0.492534396220844 0.492533956143426 0.492534836340539 3.38016731380074 3.37856650138166 2484269.611629948 0.660162549261468 283.55964249971 13.0035826956066 -86.4234653023115 1517645.1213551 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 00:29:14 2020-Nov-13 00:29
2152-Jul-26 19:48 00:01 Earth 0.497070472536766 0.49706851195286 0.497072433229427 3.36513425522114 3.36354096525701 2507269.325012203 1.11733724526346 385.395280919736 17.5574195538318 75.5352856203004 1598502.15794608 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 00:29:14 2020-Nov-13 00:29
2162-Aug-12 06:02 00:01 Earth 0.498452692063869 0.498451109694634 0.498454274621354 3.37472186649779 3.37313751192026 2510937.751073795 1.16109156047906 496.035324490749 12.8740116659829 -80.9675491452994 1501245.57329696 T 27 CATAB v2.0f-lin.ifort 2020-Nov-13 00:29:14 2020-Nov-13 00:29

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