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(2002 BF25)
Classification: Apollo [NEO]          SPK-ID: 3102784
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215304022368876 2.2376e-08  
a 1.074356891171487 2.8817e-09 au
q .8363541769242957 2.4028e-08 au
i 6.312326301445077 7.6481e-06 deg
node 305.810468454544 1.047e-05 deg
peri 77.781058930916 1.0426e-05 deg
M 70.63421151837314 3.742e-06 deg
tp 2459120.694304202432
(2020-Sep-28.19430420)
3.9638e-06 TDB
period 406.7441239809333
1.11
1.6365e-06
4.48e-09
d
yr
n .8850773220189789 3.561e-09 deg/d
Q 1.312359605418679 3.5201e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.658331596918775E-13 3.495E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      136  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2002-01-25  
   last obs. used      2020-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:17:57  

Additional Information
 Earth MOID = .0195231 au 
 Jupiter MOID = 4.10394 au 
 T_jup = 5.724 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455574.5 (2011-Jan-13.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221744594790802 2.2314e-08  
q .8346993221585451 2.4627e-08 au
tp 2455466.132610700244
(2010-Sep-26.63261070)
1.5795e-06 TDB
node 306.0004357291269 1.075e-05 deg
peri 77.81123378135889 1.0758e-05 deg
i 6.270247371278845 7.6858e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.658331596918775E-13 3.495E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      136  
   # delay obs. used      4  
   # Doppler obs. used      0  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2002-01-25  
   last obs. used      2020-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36794  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:17:57  

Additional Information
 Jupiter MOID = 4.10394 au 
 T_jup = 5.724 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 4.979274241445714E-16 -5.493837541064381E-16 2.380879082471163E-14 4.630546539610444E-14 3.790223538369004E-14 2.986798824864227E-15 1.327903435003249E-23
q -5.493837541064381E-16 6.065117677497571E-16 -2.623182157991436E-14 -5.418953496983724E-14 -3.865709717466635E-14 -1.037418242278025E-16 -1.586739516197707E-23
tp 2.380879082471163E-14 -2.623182157991436E-14 2.4948566072241E-12 4.337901462151255E-12 1.400839280201852E-12 -1.326639109546887E-12 2.534261601989879E-21
node 4.630546539610444E-14 -5.418953496983724E-14 4.337901462151255E-12 1.15565432561099E-10 -1.074148747579486E-10 -7.264316926388967E-11 -3.043460017227026E-21
peri 3.790223538369004E-14 -3.865709717466635E-14 1.400839280201852E-12 -1.074148747579486E-10 1.157364209479931E-10 7.24105268789784E-11 8.110218230506601E-21
i 2.986798824864227E-15 -1.037418242278025E-16 -1.326639109546887E-12 -7.264316926388967E-11 7.24105268789784E-11 5.907174426075532E-11 -2.615615724337659E-21
A2 1.327903435003249E-23 -1.586739516197707E-23 2.534261601989879E-21 -3.043460017227026E-21 8.110218230506601E-21 -2.615615724337659E-21 1.221776059100939E-29

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.42   n/a E2020P83  
diameter diameter 0.152 km 0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.100   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

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