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JPL Small-Body Database Browser
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172702 (2004 BF28)
Classification: Main-belt Asteroid          SPK-ID: 2172702
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1688938174475099 5.4146e-08  
a 2.567028722274335 1.3947e-08 au
q 2.133473441872019 1.4214e-07 au
i 5.904427389904252 5.1034e-06 deg
node 108.6058661832633 4.2982e-05 deg
peri 312.3372034312332 4.5484e-05 deg
M 45.00924603333257 1.1569e-05 deg
tp 2458812.679169722792
(2019-Nov-25.17916972)
4.8661e-05 TDB
period 1502.25797716586
4.11
1.2243e-05
3.352e-08
d
yr
n .2396392666718743 1.953e-09 deg/d
Q 3.000584002676651 1.6302e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:00:45  

Additional Information
 Earth MOID = 1.15178 au 
 Jupiter MOID = 2.32497 au 
 T_jup = 3.404 
[ 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 16.2   n/a MPO502963  

172702 (2004 BF28)          Discovered 2004-Jan-18 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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