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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097222298082788 1.1766e-07  
a 2.680756066340302 3.7101e-08 au
q 2.386617533169374 3.0275e-07 au
i 1.796723749226083 7.4766e-06 deg
node 291.4346356480144 0.00034837 deg
peri 219.1342821966431 0.00036246 deg
M 197.0985911933227 7.733e-05 deg
tp 2459725.948709464747
(2022-May-26.44870946)
0.00033949 TDB
period 1603.187703043389
4.39
3.3281e-05
9.112e-08
d
yr
n .2245526205799851 4.6616e-09 deg/d
Q 2.97489459951123 4.1171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2000-01-13  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61493  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:05:50  

Additional Information
 Earth MOID = 1.39789 au 
 Jupiter MOID = 2.02498 au 
 T_jup = 3.367 
[ show covariance matrix ]

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

[ 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
2175-Sep-17 20:52 00:06 Eunom 0.0304818254939572 0.0304009402613846 0.0305627155474276 5.66013309863662 5.66013301727375 2515722.369334867 6.43220721084703 4076.23748464868 84.7392566126409 -8.51390333559502 8037.7164885931 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 12:05:52 2019-Jul-14 12:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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