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277172 (2005 OB)
Classification: Mars-crossing Asteroid          SPK-ID: 2277172
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3583463776753774 9.9745e-08  
a 2.146374999913495 3.2414e-08 au
q 1.377229293561506 2.307e-07 au
i 6.612948056629908 6.6757e-06 deg
node 297.8409091216218 7.0283e-05 deg
peri 13.78409925925314 7.2456e-05 deg
M 268.2948259600747 4.2667e-05 deg
tp 2459293.082379323703
(2021-Mar-19.58237932)		 0.0001425 TDB
period 1148.568307723577
3.14		 2.6018e-05
7.123e-08		 d
yr
n .3134336874691482 7.1e-09 deg/d
Q 2.915520706265485 4.4029e-08 au
   Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      6998 days (19.16 yr)  
   first obs. used      2001-02-20  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:25:50  

Additional Information
 Earth MOID = .364025 au 
 Jupiter MOID = 2.38432 au 
 T_jup = 3.615 
[ 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 17.6   n/a MPO402016  

277172 (2005 OB)          Discovered 2005-Jul-16 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Alternate Designations
 2005 OB = 2002 VD92 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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