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120763 (1998 BW5)
Classification: Main-belt Asteroid          SPK-ID: 2120763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684199250144108 4.7627e-08  
a 2.719261687939665 1.6097e-08 au
q 2.261283838362306 1.3293e-07 au
i 3.817613056851878 4.3556e-06 deg
node 125.0681791924466 7.5541e-05 deg
peri 266.4369904226096 7.6714e-05 deg
M 118.4908180184747 1.5083e-05 deg
tp 2458661.415146644681
(2019-Jun-26.91514664)
6.5928e-05 TDB
period 1637.853045943661
4.48
1.4543e-05
3.982e-08
d
yr
n .2197999392507057 1.9517e-09 deg/d
Q 3.177239537517023 1.8808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      9867 days (27.01 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:01  

Additional Information
 Earth MOID = 1.26973 au 
 Jupiter MOID = 2.26868 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457090.5 (2015-Mar-09.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662181189199922 4.7613e-08  
q 2.267479358584266 1.3268e-07 au
tp 2457017.408309805155
(2014-Dec-25.90830981)
6.067e-05 TDB
node 125.2325787442047 7.5413e-05 deg
peri 265.315263896665 7.6633e-05 deg
i 3.819930408364177 4.3632e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      540  
   data-arc span      9867 days (27.01 yr)  
   first obs. used      1994-03-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:08:01  

Additional Information
 Jupiter MOID = 2.26868 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.267044747734279E-15 -6.286008312945753E-15 -1.331118790588577E-12 1.690900041759429E-14 -3.052283693449262E-13 -1.945849495921071E-15
q -6.286008312945753E-15 1.760321988654239E-14 3.915681081432226E-12 -4.700223803726163E-14 8.952301124190997E-13 5.640305577822627E-15
tp -1.331118790588577E-12 3.915681081432226E-12 3.680846528666144E-9 -6.784215693105606E-12 8.612604626400022E-10 2.717370763747485E-12
node 1.690900041759429E-14 -4.700223803726163E-14 -6.784215693105606E-12 5.687191788279116E-9 -5.675828592410461E-9 1.341560542547238E-10
peri -3.052283693449262E-13 8.952301124190997E-13 8.612604626400022E-10 -5.675828592410461E-9 5.872690116836575E-9 -1.332570986526477E-10
i -1.945849495921071E-15 5.640305577822627E-15 2.717370763747485E-12 1.341560542547238E-10 -1.332570986526477E-10 1.90371529812182E-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 15.79   n/a E2021B55  

120763 (1998 BW5)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 BW5 = 2001 XO82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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