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65717 (1993 BX3)
Classification: Apollo [NEO, PHA]          SPK-ID: 2065717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 159 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812511531547828 7.6629e-09  
a 1.395208886505635 5.7706e-09 au
q 1.002804778284125 9.1196e-09 au
i 2.790768144699605 1.1756e-06 deg
node 175.4171492460237 1.8961e-05 deg
peri 290.1972921335008 1.8131e-05 deg
M 347.4888988568026 2.5089e-06 deg
tp 2459221.419452390164
(2021-Jan-06.91945239)
4.1528e-06 TDB
period 601.9456460516133
1.65
3.7345e-06
1.022e-08
d
yr
n .5980606427862295 3.7104e-09 deg/d
Q 1.787612994727145 7.3935e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 7.760029340772216E-14 1.045E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1225  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      10447 days (28.60 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .28846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:49  

Additional Information
 Earth MOID = .0474091 au 
 Jupiter MOID = 3.34709 au 
 T_jup = 4.722 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458726.5 (2019-Aug-31.0) TDB
Reference: JPL 159 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2808551966488723 7.6618e-09  
q 1.003073251874088 9.2108e-09 au
tp 2458619.560288718021
(2019-May-16.06028872)
6.1684e-06 TDB
node 175.542429007603 1.8961e-05 deg
peri 289.9874110704684 1.813e-05 deg
i 2.790826506587684 1.1755e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 7.760029340772216E-14 1.045E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      1225  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      10447 days (28.60 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .28846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:49  

Additional Information
 Jupiter MOID = 3.34709 au 
 T_jup = 4.722 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 5.870333800763987E-17 -6.610434923866011E-17 -2.561315845039391E-14 2.089335898194553E-14 -3.189266848534643E-14 -1.792979894767857E-16 4.333183523127247E-23
q -6.610434923866011E-17 8.483937922942519E-17 1.772068898689251E-14 -3.457965902221384E-14 4.502932228401412E-14 -1.934003555942794E-16 -2.118405273437319E-23
tp -2.561315845039391E-14 1.772068898689251E-14 3.804862445018692E-11 3.044733870776627E-11 -8.633067738602969E-12 2.946560264331066E-12 -4.838993477480678E-20
node 2.089335898194553E-14 -3.457965902221384E-14 3.044733870776627E-11 3.595074988129279E-10 -3.351822983813608E-10 -9.156642448919842E-12 -1.439771352515861E-20
peri -3.189266848534643E-14 4.502932228401412E-14 -8.633067738602969E-12 -3.351822983813608E-10 3.287023978297526E-10 1.141017961535523E-11 1.300593819288103E-21
i -1.792979894767857E-16 -1.934003555942794E-16 2.946560264331066E-12 -9.156642448919842E-12 1.141017961535523E-11 1.38177774962553E-12 -1.216549472589272E-21
A2 4.333183523127247E-23 -2.118405273437319E-23 -4.838993477480678E-20 -1.439771352515861E-20 1.300593819288103E-21 -1.216549472589272E-21 1.091999042754457E-28

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 20.75   n/a MPCxxxxx  
rotation period rot_per 20.463 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Mottola, S.; De Angelis, G.; Di Martino, M.; Erikson, A.; et al. (1995) Icarus 117, 62-70; Mottola, S.; De Angelis, G.; Di Martino, M.; Erikson, A.; Harris, A.W.; Hahn, G.; Neukum, G.; Pravec, M.; Wolf, M. (1995) Lunar & Planetary Science XXVI, 1003-1004.]

65717 (1993 BX3)          Discovered 1993-Jan-31 by McNaught, R. H. at Siding Spring
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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