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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2218122750029566 2.2319e-08  
a 1.073258603146067 1.1747e-09 au
q .8351966707157423 2.3761e-08 au
i 6.275599227053909 7.6858e-06 deg
node 305.9073578109423 1.068e-05 deg
peri 78.04799169819718 1.0702e-05 deg
M 253.2522779704254 3.4974e-06 deg
tp 2459120.923462393694
(2020-Sep-28.42346239)
4.1163e-06 TDB
period 406.1205769779235
1.11
6.6678e-07
1.826e-09
d
yr
n .8864362467887693 1.4554e-09 deg/d
Q 1.311320535576391 1.4353e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.658534825553346E-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:09:24  

Additional Information
 Earth MOID = .0185887 au 
 Jupiter MOID = 4.1043 au 
 T_jup = 5.729 
 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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217445947350623 2.2314e-08  
q .8346993222091676 2.4627e-08 au
tp 2455466.132610714106
(2010-Sep-26.63261071)
1.5795e-06 TDB
node 306.0004355474854 1.075e-05 deg
peri 77.81123402649031 1.0758e-05 deg
i 6.270247352514953 7.6858e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.658534825553346E-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:09:24  

Additional Information
 Jupiter MOID = 4.1043 au 
 T_jup = 5.729 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
Orbit Covariance (7×7)
  e q tp node peri i A2
e 4.979274258171928E-16 -5.493837558721315E-16 2.380879087728357E-14 4.630546580235779E-14 3.790223525124159E-14 2.986798821920043E-15 1.327903439558698E-23
q -5.493837558721315E-16 6.065117696121147E-16 -2.623182162749718E-14 -5.4189535333117E-14 -3.865709709098249E-14 -1.037417950404989E-16 -1.586739520683683E-23
tp 2.380879087728357E-14 -2.623182162749718E-14 2.494856586854843E-12 4.337901303162772E-12 1.400839419381547E-12 -1.326639019448814E-12 2.534261576516697E-21
node 4.630546580235779E-14 -5.4189535333117E-14 4.337901303162772E-12 1.155654280723833E-10 -1.074148703824868E-10 -7.26431673661562E-11 -3.043460004291526E-21
peri 3.790223525124159E-14 -3.865709709098249E-14 1.400839419381547E-12 -1.074148703824868E-10 1.157364166925522E-10 7.241052509370701E-11 8.110218179845044E-21
i 2.986798821920043E-15 -1.037417950404989E-16 -1.326639019448814E-12 -7.26431673661562E-11 7.241052509370701E-11 5.907174434718895E-11 -2.615615813775441E-21
A2 1.327903439558698E-23 -1.586739520683683E-23 2.534261576516697E-21 -3.043460004291526E-21 8.110218179845044E-21 -2.615615813775441E-21 1.221776051314661E-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 22.2   n/a MPO264922  
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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