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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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2218122898248505 2.3982e-08  
a 1.073258601525756 1.4903e-09 au
q .8351966535471115 2.5831e-08 au
i 6.275597776603963 7.6589e-06 deg
node 305.9073743879504 1.4447e-05 deg
peri 78.04796852624612 1.7337e-05 deg
M 253.2522838945594 4.866e-06 deg
tp 2459120.923455437896
(2020-Sep-28.42345544)
5.7195e-06 TDB
period 406.1205760582363
1.11
8.4588e-07
2.316e-09
d
yr
n .8864362487961635 1.8463e-09 deg/d
Q 1.311320549504401 1.8208e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.590436774324558E-13 5.279E-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)      134  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2002-01-25  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-20 06:28:46  

Additional Information
 Earth MOID = .0185888 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 2455572.5 (2011-Jan-11.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217453215523957 2.4006e-08  
q .834698354243984 2.6174e-08 au
tp 2455466.132675886281
(2010-Sep-26.63267589)
3.7121e-06 TDB
node 306.0004682986685 1.4514e-05 deg
peri 77.81115013536021 1.736e-05 deg
i 6.270251649756314 7.6591e-06 deg

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 1.590436774324558E-13 5.279E-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)      134  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      6750 days (18.48 yr)  
   first obs. used      2002-01-25  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-20 06:28:46  

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 5.76276293320387E-16 -6.278500297182621E-16 -5.950044316016749E-15 1.330651293334537E-13 -8.292225756715861E-14 -4.69210256528362E-15 -2.180039655929736E-23
q -6.278500297182621E-16 6.850898047554158E-16 3.580717761385581E-15 -1.409910596776867E-13 8.227154033922425E-14 7.496926998143902E-15 1.927979432699326E-23
tp -5.950044316016749E-15 3.580717761385581E-15 1.377985010671725E-11 -2.874922038108878E-11 4.740350014203353E-11 1.734277372933313E-12 1.582714144411034E-20
node 1.330651293334537E-13 -1.409910596776867E-13 -2.874922038108878E-11 2.106426914917597E-10 -2.403821734893472E-10 -8.00695173885865E-11 -4.212093470228831E-20
peri -8.292225756715861E-14 8.227154033922425E-14 4.740350014203353E-11 -2.403821734893472E-10 3.013750715406328E-10 8.335769741489475E-11 6.239991366546166E-20
i -4.69210256528362E-15 7.496926998143902E-15 1.734277372933313E-12 -8.00695173885865E-11 8.335769741489475E-11 5.866174120852798E-11 1.07291245527303E-21
A2 -2.180039655929736E-23 1.927979432699326E-23 1.582714144411034E-20 -4.212093470228831E-20 6.239991366546166E-20 1.07291245527303E-21 2.786877942992615E-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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