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392056 (2009 BO172)
Classification: Main-belt Asteroid          SPK-ID: 2392056
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098898585319 8.2412e-08  
a 2.680533863041581 2.8995e-08 au
q 2.385970376041974 2.2312e-07 au
i 1.796734287577184 6.794e-06 deg
node 291.4345668553274 0.00034492 deg
peri 219.0988442367967 0.00034842 deg
M 242.066168891118 4.6513e-05 deg
tp 2459725.629335417921
(2022-May-26.12933542)
0.00021022 TDB
period 1602.988378931869
4.39
2.6009e-05
7.121e-08
d
yr
n .2245805426486507 3.6438e-09 deg/d
Q 2.975097350041187 3.2181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-01-13  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:19  

Additional Information
 Earth MOID = 1.39708 au 
 Jupiter MOID = 2.02401 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077185955928418 8.2418e-08  
q 2.39370772275977 2.2276e-07 au
tp 2456515.449083458494
(2013-Aug-10.94908346)
0.00020241 TDB
node 291.5608478946606 0.00034567 deg
peri 218.7430655656404 0.00034933 deg
i 1.793622184387445 6.7863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-01-13  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60666  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:29:19  

Additional Information
 Jupiter MOID = 2.02401 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.792690768185082E-15 -1.823379231496115E-14 4.753516844367685E-12 -8.528656139269519E-16 9.04898965645152E-13 -2.90516996992677E-15
q -1.823379231496115E-14 4.962300967386121E-14 -1.200578630873121E-11 1.591941831196632E-15 -2.18512631649174E-12 7.851650102836645E-15
tp 4.753516844367685E-12 -1.200578630873121E-11 4.097063445370532E-8 -3.323029627576674E-10 1.03502118920042E-8 -1.085052746389753E-11
node -8.528656139269519E-16 1.591941831196632E-15 -3.323029627576674E-10 1.194876402809968E-7 -1.195110743543291E-7 2.998940080181463E-10
peri 9.04898965645152E-13 -2.18512631649174E-12 1.03502118920042E-8 -1.195110743543291E-7 1.220328315377457E-7 -3.023410545154896E-10
i -2.90516996992677E-15 7.851650102836645E-15 -1.085052746389753E-11 2.998940080181463E-10 -3.023410545154896E-10 4.605404088002198E-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 17.7   n/a MPO437605  

392056 (2009 BO172)          Discovered 2009-Jan-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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