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JPL Small-Body Database Browser
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185474 (2007 BR74)
Classification: Main-belt Asteroid          SPK-ID: 2185474
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311138240935382 4.3988e-08  
a 3.096254839787086 3.2767e-08 au
q 2.690293027374476 1.4284e-07 au
i 5.419676428600471 5.7387e-06 deg
node 138.037251638512 7.4108e-05 deg
peri 154.2605056736268 7.9538e-05 deg
M 22.77848439081944 3.045e-05 deg
tp 2458874.585484744523
(2020-Jan-26.08548474)
0.00016805 TDB
period 1990.001824275942
5.45
3.159e-05
8.649e-08
d
yr
n .1809043567741378 2.8717e-09 deg/d
Q 3.502216652199697 3.7063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      6710 days (18.37 yr)  
   first obs. used      2000-12-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60709  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:52:46  

Additional Information
 Earth MOID = 1.67549 au 
 Jupiter MOID = 1.69793 au 
 T_jup = 3.203 
[ 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 15.3   n/a MPO440033  

185474 (2007 BR74)          Discovered 2007-Jan-17 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2007 BR74 = 2002 EN139 = 2005 XT14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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