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90441 (2004 BC87)
Classification: Main-belt Asteroid          SPK-ID: 2090441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130521887013305 4.2644e-08  
a 2.383620442344608 9.7829e-09 au
q 2.072505804286301 9.8941e-08 au
i 7.207244293598209 3.7426e-06 deg
node 139.5010392803245 3.0352e-05 deg
peri 62.75294046406376 3.2499e-05 deg
M 223.9878675547019 1.2046e-05 deg
tp 2459904.342716097569
(2022-Nov-20.84271610)
4.5908e-05 TDB
period 1344.169630372155
3.68
8.2751e-06
2.266e-08
d
yr
n .2678233400499669 1.6488e-09 deg/d
Q 2.694735080402915 1.106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1998-09-21  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:17  

Additional Information
 Earth MOID = 1.08256 au 
 Jupiter MOID = 2.28041 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a E2021B10  

90441 (2004 BC87)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 BC87 = 2001 MO26 = 2002 SH28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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