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39823 (1998 BV)
Classification: Main-belt Asteroid          SPK-ID: 2039823
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642826362203487 3.2628e-08  
a 2.324117809133023 7.9223e-09 au
q 1.942305608561989 7.5684e-08 au
i 5.677073093603142 4.0529e-06 deg
node 133.3559120644467 3.6604e-05 deg
peri 345.8592315754719 3.8533e-05 deg
M 121.9923912320886 1.2682e-05 deg
tp 2458561.953268858095
(2019-Mar-19.45326886)
4.4639e-05 TDB
period 1294.153033780015
3.54
6.6171e-06
1.812e-08
d
yr
n .2781742117070168 1.4223e-09 deg/d
Q 2.705930009704057 9.2237e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-01-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:27  

Additional Information
 Earth MOID = .958825 au 
 Jupiter MOID = 2.37282 au 
 T_jup = 3.551 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456534.5 (2013-Aug-30.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644372632066235 3.2705e-08  
q 1.941933503000536 7.601e-08 au
tp 2455974.551983360252
(2012-Feb-17.05198336)
4.1184e-05 TDB
node 133.3827017462113 3.6602e-05 deg
peri 345.8840019832421 3.8513e-05 deg
i 5.677030375230643 4.0531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-01-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49677  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:27  

Additional Information
 Jupiter MOID = 2.37282 au 
 T_jup = 3.551 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.069613480071826E-15 -2.476235792389986E-15 2.016302282951269E-13 -1.154999486825709E-14 8.63434405961924E-14 -7.735303667855505E-16
q -2.476235792389986E-15 5.777449859634861E-15 -4.427286517856608E-13 2.729249054263181E-14 -1.895952943632594E-13 1.87777952540633E-15
tp 2.016302282951269E-13 -4.427286517856608E-13 1.696122417232591E-9 1.343482147319862E-12 5.029550569154287E-10 -1.234820998444457E-13
node -1.154999486825709E-14 2.729249054263181E-14 1.343482147319862E-12 1.339687255451657E-9 -1.332508933628692E-9 3.225205969552373E-11
peri 8.63434405961924E-14 -1.895952943632594E-13 5.029550569154287E-10 -1.332508933628692E-9 1.483260518682984E-9 -3.210708835581024E-11
i -7.735303667855505E-16 1.87777952540633E-15 -1.234820998444457E-13 3.225205969552373E-11 -3.210708835581024E-11 1.642783587209684E-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 14.5   n/a MPO474255  
diameter diameter 3.024 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.403   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39823 (1998 BV)          Discovered 1998-Jan-19 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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