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382021 (2011 BN70)
Classification: Main-belt Asteroid          SPK-ID: 2382021
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05372514593022958 7.5923e-08  
a 2.416176904162188 2.1198e-08 au
q 2.286367447392824 1.7377e-07 au
i 5.281203472932553 6.5697e-06 deg
node 151.2590726646138 6.3103e-05 deg
peri 358.1733471006788 8.8332e-05 deg
M 172.8439058500354 6.5763e-05 deg
tp 2458341.867600367601
(2018-Aug-11.36760037)
0.00024627 TDB
period 1371.802278486957
3.76
1.8053e-05
4.943e-08
d
yr
n .2624284896195576 3.4536e-09 deg/d
Q 2.545986360931551 2.2337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58596  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:15  

Additional Information
 Earth MOID = 1.29719 au 
 Jupiter MOID = 2.43409 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05332678856608605 7.5343e-08  
q 2.287019345134517 1.7233e-07 au
tp 2456965.390361157869
(2014-Nov-03.89036116)
0.00024295 TDB
node 151.3346725926641 6.3177e-05 deg
peri 356.9442342810579 8.932e-05 deg
i 5.278099027896077 6.567e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      8477 days (23.21 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58596  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:15  

Additional Information
 Jupiter MOID = 2.43409 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.676580611922936E-15 -1.292027777167972E-14 8.2278205317185E-12 5.044635424524761E-14 1.968705541643087E-12 -4.004358957332922E-15
q -1.292027777167972E-14 2.969685314090338E-14 -1.768057130473027E-11 -1.120908696314642E-13 -4.198214494541596E-12 9.306100832799611E-15
tp 8.2278205317185E-12 -1.768057130473027E-11 5.90255203224512E-8 1.238303199900021E-10 1.535980397432437E-8 -1.876270559485568E-11
node 5.044635424524761E-14 -1.120908696314642E-13 1.238303199900021E-10 3.991340013264416E-9 -3.942244606189798E-9 8.178982464440179E-11
peri 1.968705541643087E-12 -4.198214494541596E-12 1.535980397432437E-8 -3.942244606189798E-9 7.978114153378195E-9 -8.638407814962077E-11
i -4.004358957332922E-15 9.306100832799611E-15 -1.876270559485568E-11 8.178982464440179E-11 -8.638407814962077E-11 4.312512918042649E-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 17.3   n/a MPO434366  

382021 (2011 BN70)          Discovered 1996-Mar-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ 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
2053-Nov-04 17:50 00:02 Iris 0.0267738913112405 0.026770275252178 0.026777517009296 5.54346477195033 5.5434647332174 2471211.243244505 1.52271989202423 948.421532822489 92.0712346573271 -80.5319122298355 42902.277270037 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:59:17 2019-Sep-24 06:59
2174-Mar-15 06:14 00:02 Eunom 0.0429095793171302 0.0428594969979178 0.0429596827986974 6.37935734638472 6.37935729510299 2515170.759831680 2.11709200466992 2914.15273037245 77.578585276397 -31.0527498679751 42704.5174619925 T 13 CATAB v2.0f-lin.ifort 2019-Sep-24 06:59:17 2019-Sep-24 06:59

Alternate Designations
 2011 BN70 = 1996 EN9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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