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72318 (2001 BN47)
Classification: Main-belt Asteroid          SPK-ID: 2072318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183119704478813 3.265e-08  
a 2.591152831120102 1.2377e-08 au
q 2.284588433938677 8.7005e-08 au
i 2.533077120509864 4.861e-06 deg
node 179.9438398265116 9.6101e-05 deg
peri 322.4243816251192 9.9048e-05 deg
M 325.4031655962626 2.5319e-05 deg
tp 2459542.910368202965
(2021-Nov-24.41036820)
0.00010755 TDB
period 1523.484256911473
4.17
1.0915e-05
2.988e-08
d
yr
n .2363004398416431 1.693e-09 deg/d
Q 2.897717228301528 1.3841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1997-03-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:24  

Additional Information
 Earth MOID = 1.29847 au 
 Jupiter MOID = 2.11362 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457838.5 (2017-Mar-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163902837544887 3.2758e-08  
q 2.289792678071661 8.7103e-08 au
tp 2458019.995945605067
(2017-Sep-23.49594560)
0.00010576 TDB
node 180.0213664754669 9.6048e-05 deg
peri 322.555155748155 9.9102e-05 deg
i 2.533379659714608 4.8645e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1997-03-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:24  

Additional Information
 Jupiter MOID = 2.11362 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.073100654331388E-15 -2.831186144911337E-15 6.68548990435899E-13 5.826656987148716E-15 1.709807642461004E-13 3.263018253075882E-16
q -2.831186144911337E-15 7.586971837945682E-15 -1.39460531906969E-12 -1.558097484511625E-14 -3.71641254960724E-13 -6.492556845117461E-16
tp 6.68548990435899E-13 -1.39460531906969E-12 1.118604091223355E-8 -5.327388738205043E-12 2.602230316897712E-9 1.68288794038965E-12
node 5.826656987148716E-15 -1.558097484511625E-14 -5.327388738205043E-12 9.225210143761834E-9 -9.216932100505221E-9 1.943668890483036E-10
peri 1.709807642461004E-13 -3.71641254960724E-13 2.602230316897712E-9 -9.216932100505221E-9 9.821110958760389E-9 -1.937952359354143E-10
i 3.263018253075882E-16 -6.492556845117461E-16 1.68288794038965E-12 1.943668890483036E-10 -1.937952359354143E-10 2.366361935586609E-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 15.95   n/a E2021B10  

72318 (2001 BN47)          Discovered 2001-Jan-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 BN47 = 1997 EK7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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