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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 156 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2812511529881827 7.6722e-09  
a 1.395208886569799 5.7733e-09 au
q 1.002804778562684 9.1377e-09 au
i 2.790768095948641 1.1845e-06 deg
node 175.4171518121804 1.9072e-05 deg
peri 290.1972895380987 1.824e-05 deg
M 347.4888988073707 2.5225e-06 deg
tp 2459221.419452474261
(2021-Jan-06.91945247)		 4.1753e-06 TDB
period 601.9456460931373
1.65		 3.7362e-06
1.023e-08		 d
yr
n .5980606427449734 3.7121e-09 deg/d
Q 1.787612994576913 7.3971e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 7.765714723799249E-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)      1217  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      10421 days (28.53 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .28159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:54  

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 2458694.5 (2019-Jul-30.0) TDB
Reference: JPL 156 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2808613818254369 7.6674e-09  
q 1.003062483248378 9.2339e-09 au
tp 2458619.559824976134
(2019-May-16.05982498)		 6.1947e-06 TDB
node 175.5425227932841 1.9072e-05 deg
peri 289.9860149260035 1.824e-05 deg
i 2.790838669931295 1.1844e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 7.765714723799249E-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)      1217  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      10421 days (28.53 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .28159  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:25:54  

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 5.878903077760171E-17 -6.640109438294544E-17 -2.554300835494811E-14 2.126546086098835E-14 -3.221512674291289E-14 -1.858244730466704E-16 4.32313570462927E-23
q -6.640109438294544E-17 8.526567073373426E-17 1.769802579492738E-14 -3.510757680681747E-14 4.545565871173456E-14 -1.901308437148565E-16 -2.135786041222969E-23
tp -2.554300835494811E-14 1.769802579492738E-14 3.837412082741798E-11 3.068251400894363E-11 -8.596336801849815E-12 2.997672737818538E-12 -4.858633234955208E-20
node 2.126546086098835E-14 -3.510757680681747E-14 3.068251400894363E-11 3.637355881836416E-10 -3.391757890865887E-10 -9.325384969901374E-12 -1.451014925785122E-20
peri -3.221512674291289E-14 4.545565871173456E-14 -8.596336801849815E-12 -3.391757890865887E-10 3.326817490008599E-10 1.162004729588063E-11 1.227288564853E-21
i -1.858244730466704E-16 -1.901308437148565E-16 2.997672737818538E-12 -9.325384969901374E-12 1.162004729588063E-11 1.402877480231728E-12 -1.24167263025772E-21
A2 4.32313570462927E-23 -2.135786041222969E-23 -4.858633234955208E-20 -1.451014925785122E-20 1.227288564853E-21 -1.24167263025772E-21 1.092764363485635E-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 20.7   n/a E2021-CC3  
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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