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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05097376997750688 3.0911e-08  
a 2.273639050267221 7.3689e-09 au
q 2.157743096307023 7.0489e-08 au
i 7.194513390197957 3.2676e-06 deg
node 140.3005407490606 3.1484e-05 deg
peri 10.94723992790259 5.0743e-05 deg
M 170.3170979554277 3.933e-05 deg
tp 2458408.070802572502
(2018-Oct-16.57080257)
0.00013696 TDB
period 1252.220203574122
3.43
6.0877e-06
1.667e-08
d
yr
n .2874893720549133 1.3976e-09 deg/d
Q 2.38953500422742 7.7445e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      8222 days (22.51 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:36:45  

Additional Information
 Earth MOID = 1.16916 au 
 Jupiter MOID = 2.59231 au 
 T_jup = 3.599 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456951.5 (2014-Oct-21.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05088858269092707 3.078e-08  
q 2.157790750129389 7.0159e-08 au
tp 2457154.779462349031
(2015-May-12.27946235)
0.00013799 TDB
node 140.3514232905239 3.1514e-05 deg
peri 10.68120129966805 5.0924e-05 deg
i 7.190685905466091 3.2659e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      8222 days (22.51 yr)  
   first obs. used      1998-01-29  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:36:45  

Additional Information
 Jupiter MOID = 2.59231 au 
 T_jup = 3.599 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.47402980085804E-16 -2.148990745904384E-15 1.187095467680144E-12 3.08458492879276E-15 3.501467069891779E-13 -1.034732984269848E-15
q -2.148990745904384E-15 4.922241130673215E-15 -2.787222607167801E-12 -6.831851692425364E-15 -8.236093394191488E-13 2.490627385495654E-15
tp 1.187095467680144E-12 -2.787222607167801E-12 1.904074709452011E-8 3.23573973910771E-11 5.536267065414123E-9 -1.400728391197379E-12
node 3.08458492879276E-15 -6.831851692425364E-15 3.23573973910771E-11 9.931601675373078E-10 -9.755426420957203E-10 1.721238931892692E-11
peri 3.501467069891779E-13 -8.236093394191488E-13 5.536267065414123E-9 -9.755426420957203E-10 2.59323843184507E-9 -1.751959845657762E-11
i -1.034732984269848E-15 2.490627385495654E-15 -1.400728391197379E-12 1.721238931892692E-11 -1.751959845657762E-11 1.066593615548235E-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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