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100725 (1998 BO43)
Classification: Main-belt Asteroid          SPK-ID: 2100725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814264551060771 3.8983e-08  
a 2.701374359231145 1.413e-08 au
q 2.211273585321388 1.056e-07 au
i 12.07563303379125 6.698e-06 deg
node 331.633684564986 1.8283e-05 deg
peri 121.6781804919217 2.8197e-05 deg
M 46.58584777964512 1.7506e-05 deg
tp 2458790.641246289428
(2019-Nov-03.14124629)
7.9209e-05 TDB
period 1621.718932607164
4.44
1.2724e-05
3.484e-08
d
yr
n .2219866789254562 1.7417e-09 deg/d
Q 3.191475133140902 1.6694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:35  

Additional Information
 Earth MOID = 1.2542 au 
 Jupiter MOID = 2.03496 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457363.5 (2015-Dec-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806681121101253 3.922e-08  
q 2.214480253900247 1.0646e-07 au
tp 2457170.906269775087
(2015-May-28.40626978)
8.3403e-05 TDB
node 331.6806313553005 1.8263e-05 deg
peri 122.1284953450583 2.8205e-05 deg
i 12.08073772298177 6.7001e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:35  

Additional Information
 Jupiter MOID = 2.03496 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.538189525718285E-15 -4.149672536709324E-15 8.746773948070659E-13 -1.399861121198529E-14 1.941536242139063E-13 -7.974949481661701E-15
q -4.149672536709324E-15 1.133341369899869E-14 -2.757032437055309E-12 3.847663909408567E-14 -6.190657865202699E-13 2.133492016927653E-14
tp 8.746773948070659E-13 -2.757032437055309E-12 6.956100382361735E-9 -2.662541625072502E-11 1.798187161001327E-9 -1.071194430979973E-11
node -1.399861121198529E-14 3.847663909408567E-14 -2.662541625072502E-11 3.33529467299347E-10 -3.322230847424701E-10 7.424137083989426E-12
peri 1.941536242139063E-13 -6.190657865202699E-13 1.798187161001327E-9 -3.322230847424701E-10 7.955115308996758E-10 -9.753037387241056E-12
i -7.974949481661701E-15 2.133492016927653E-14 -1.071194430979973E-11 7.424137083989426E-12 -9.753037387241056E-12 4.489085318424032E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO453461  

100725 (1998 BO43)          Discovered 1998-Jan-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 BO43 = 1996 TR57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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