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JPL Small-Body Database Browser
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39822 (1998 BO)
Classification: Main-belt Asteroid          SPK-ID: 2039822
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0964886426317608 4.4882e-08  
a 2.247874956676605 1.0275e-08 au
q 2.030980553300951 1.012e-07 au
i 6.115488025151515 4.1039e-06 deg
node 85.73226290162181 4.639e-05 deg
peri 110.5698787326519 5.1624e-05 deg
M 170.459397039432 2.3024e-05 deg
tp 2458417.625444360604
(2018-Oct-26.12544436)
7.8023e-05 TDB
period 1230.996024124395
3.37
8.44e-06
2.311e-08
d
yr
n .292446111071778 2.0051e-09 deg/d
Q 2.464769360052258 1.1266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:20  

Additional Information
 Earth MOID = 1.03803 au 
 Jupiter MOID = 2.50497 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456079.5 (2012-Jun-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09636562584967584 4.4828e-08  
q 2.031927371949404 1.011e-07 au
tp 2455955.983718030817
(2012-Jan-29.48371803)
7.7639e-05 TDB
node 85.76617989066698 4.6362e-05 deg
peri 110.9988908524541 5.1619e-05 deg
i 6.11696402280911 4.1044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:20  

Additional Information
 Jupiter MOID = 2.50497 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.00958846511322E-15 -4.513067346335147E-15 -7.246448504241339E-13 3.84750979485036E-15 -1.769500917739878E-13 -1.575178068189385E-15
q -4.513067346335147E-15 1.022204698354397E-14 1.574182476520085E-12 -7.869428963489394E-15 3.841230222938764E-13 3.828203453059759E-15
tp -7.246448504241339E-13 1.574182476520085E-12 6.02783051266085E-9 -1.506073362554404E-12 1.785760735384614E-9 3.028262364940317E-12
node 3.84750979485036E-15 -7.869428963489394E-15 -1.506073362554404E-12 2.149470093515809E-9 -2.137068423580366E-9 9.611014640073024E-12
peri -1.769500917739878E-13 3.841230222938764E-13 1.785760735384614E-9 -2.137068423580366E-9 2.664547874169598E-9 -8.690420647960173E-12
i -1.575178068189385E-15 3.828203453059759E-15 3.028262364940317E-12 9.611014640073024E-12 -8.690420647960173E-12 1.684606798620937E-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 14.6   n/a MPO337581  

39822 (1998 BO)          Discovered 1998-Jan-18 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BO = 1999 NB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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