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JPL Small-Body Database Browser
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39842 (1998 BV25)
Classification: Main-belt Asteroid          SPK-ID: 2039842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05097378051814486 3.1089e-08  
a 2.273639047510161 7.5534e-09 au
q 2.157743069724894 7.0955e-08 au
i 7.194514547556038 3.2877e-06 deg
node 140.3005519455017 3.247e-05 deg
peri 10.94725809144678 5.2761e-05 deg
M 170.3170678983709 4.0825e-05 deg
tp 2458408.070908200238
(2018-Oct-16.57090820)
0.00014231 TDB
period 1252.220201296421
3.43
6.2401e-06
1.708e-08
d
yr
n .2874893725778364 1.4326e-09 deg/d
Q 2.389535025295428 7.9385e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      7871 days (21.55 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50355  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:31  

Additional Information
 Earth MOID = 1.16916 au 
 Jupiter MOID = 2.59231 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456866.5 (2014-Jul-28.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05083961779471299 3.0979e-08  
q 2.157671086318258 7.0631e-08 au
tp 2457155.121474057000
(2015-May-12.62147406)
0.00014374 TDB
node 140.352428353055 3.2504e-05 deg
peri 10.7875419337087 5.2967e-05 deg
i 7.190622636289471 3.286e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      7871 days (21.55 yr)  
   first obs. used      1998-01-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50355  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:31  

Additional Information
 Jupiter MOID = 2.59231 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.596802596971742E-16 -2.177085420719644E-15 1.215000083450107E-12 2.587199554784108E-15 3.592450027843091E-13 -1.063765954368545E-15
q -2.177085420719644E-15 4.988783737980996E-15 -2.905999633445706E-12 -5.684612764640642E-15 -8.613608127930006E-13 2.575654979443949E-15
tp 1.215000083450107E-12 -2.905999633445706E-12 2.066208675998199E-8 3.330997709442436E-11 6.029339241872681E-9 -1.75493589879533E-12
node 2.587199554784108E-15 -5.684612764640642E-15 3.330997709442436E-11 1.056497151041843E-9 -1.038071459689177E-9 1.656345978852986E-11
peri 3.592450027843091E-13 -8.613608127930006E-13 6.029339241872681E-9 -1.038071459689177E-9 2.8055521580899E-9 -1.698551065574331E-11
i -1.063765954368545E-15 2.575654979443949E-15 -1.75493589879533E-12 1.656345978852986E-11 -1.698551065574331E-11 1.079762197346387E-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 14.9   n/a MPO474255  
diameter diameter 2.318 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.475   0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39842 (1998 BV25)          Discovered 1998-Jan-29 by Stafford, T. at Zeno
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BV25 = 1999 NF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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