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85018 (2004 BL54)
Classification: Main-belt Asteroid          SPK-ID: 2085018
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 .03880323588840739 4.3831e-08  
a 2.568775660107889 1.6221e-08 au
q 2.469098852224323 1.0978e-07 au
i 5.63999643416243 4.2542e-06 deg
node 117.646458398087 4.9476e-05 deg
peri 105.5621185911064 7.4828e-05 deg
M 260.5928517281467 5.6335e-05 deg
tp 2459415.743466176131
(2021-Jul-20.24346618)
0.00023547 TDB
period 1503.791733513935
4.12
1.4244e-05
3.9e-08
d
yr
n .239394852343537 2.2675e-09 deg/d
Q 2.668452467991455 1.685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1993-07-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:51  

Additional Information
 Earth MOID = 1.46635 au 
 Jupiter MOID = 2.31272 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03950866885398983 4.3545e-08  
q 2.46712899589064 1.0916e-07 au
tp 2456414.823078697802
(2013-May-02.32307870)
0.00023352 TDB
node 117.7116712388517 4.9459e-05 deg
peri 107.0065155920089 7.4372e-05 deg
i 5.640990176599759 4.2556e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1993-07-13  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:24:51  

Additional Information
 Jupiter MOID = 2.31272 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.896150975534146E-15 -4.707680901162271E-15 -1.461374213205279E-12 -2.222739357945225E-14 -3.247540914547972E-13 -2.73540045555962E-15
q -4.707680901162271E-15 1.191537180921317E-14 3.429326308008859E-12 5.526241038705281E-14 7.696332590801635E-13 7.267120928701547E-15
tp -1.461374213205279E-12 3.429326308008859E-12 5.453207147694682E-8 8.563780104110032E-11 1.299856315654063E-8 -5.880352177758322E-12
node -2.222739357945225E-14 5.526241038705281E-14 8.563780104110032E-11 2.446208855606701E-9 -2.413419132610838E-9 2.175840066493735E-11
peri -3.247540914547972E-13 7.696332590801635E-13 1.299856315654063E-8 -2.413419132610838E-9 5.531143089782906E-9 -2.302446416764037E-11
i -2.73540045555962E-15 7.267120928701547E-15 -5.880352177758322E-12 2.175840066493735E-11 -2.302446416764037E-11 1.810999344607896E-11

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 15.6   n/a MPO417410  

85018 (2004 BL54)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2061-Dec-02 11:01 < 00:01 Amphi 0.0195107940004878 0.0195097516114666 0.0195118408512112 3.91791782694598 3.91791775174167 2474160.958967874 0.797175406660598 695.598977121401 38.631616300239 87.1206630611379 75416.3536186638 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:25:05 2020-Feb-23 20:25
2172-Jun-30 07:36 00:11 David 0.0480882760206785 0.0480526627949247 0.0481238961181642 4.03485880253912 4.03485872467893 2514547.816447213 11.4125030747938 1992.2939334346 36.0785028569722 -27.0464365710051 90643.1180693075 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:25:05 2020-Feb-23 20:25

Alternate Designations
 2004 BL54 = 2000 CL111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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