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90445 (2004 BY101)
Classification: Main-belt Asteroid          SPK-ID: 2090445
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635041512986847 4.6844e-08  
a 2.328125007148937 1.0579e-08 au
q 1.947466903737806 1.0659e-07 au
i 3.576415273411139 5.0141e-06 deg
node 175.7057163022652 7.5138e-05 deg
peri 3.390145201285773 7.6772e-05 deg
M 295.6753319086275 1.8821e-05 deg
tp 2459628.337093622703
(2022-Feb-17.83709362)
6.8905e-05 TDB
period 1297.501505730538
3.55
8.8438e-06
2.421e-08
d
yr
n .2774563254146727 1.8911e-09 deg/d
Q 2.708783110560069 1.2309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      10687 days (29.26 yr)  
   first obs. used      1991-09-07  
   last obs. used      2020-12-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53016  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:13  

Additional Information
 Earth MOID = .951818 au 
 Jupiter MOID = 2.24916 au 
 T_jup = 3.552 
[ 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 16.30   n/a MPCxxxxx  

90445 (2004 BY101)          Discovered 2004-Jan-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 BY101 = 1995 SU20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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