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39545 (1992 DH3)
Classification: Main-belt Asteroid          SPK-ID: 2039545
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148041139431722 4.7214e-08  
a 2.817606595720838 1.6526e-08 au
q 2.40048490481999 1.3203e-07 au
i 6.649876718769528 5.2737e-06 deg
node 338.3661731307737 3.9193e-05 deg
peri 240.0245004280467 4.2045e-05 deg
M 304.4942907111782 1.5377e-05 deg
tp 2459266.850867568373
(2021-Feb-21.35086757)
7.4442e-05 TDB
period 1727.503594732457
4.73
1.5199e-05
4.161e-08
d
yr
n .2083931987740692 1.8335e-09 deg/d
Q 3.234728286621686 1.8973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10178 days (27.87 yr)  
   first obs. used      1992-02-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:50:09  

Additional Information
 Earth MOID = 1.40203 au 
 Jupiter MOID = 1.79119 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456755.5 (2014-Apr-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1499415348153537 4.6883e-08  
q 2.393284494875717 1.312e-07 au
tp 2457538.983161071097
(2016-May-30.48316107)
7.0644e-05 TDB
node 338.4189290672532 3.9207e-05 deg
peri 240.1333703929431 4.2018e-05 deg
i 6.652070978859174 5.2724e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10178 days (27.87 yr)  
   first obs. used      1992-02-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:50:09  

Additional Information
 Jupiter MOID = 1.79119 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.19798164993949E-15 -6.116760155106797E-15 -9.266315093498199E-13 1.077920276825569E-14 -2.244989865333898E-13 -1.042790583395038E-15
q -6.116760155106797E-15 1.721276443531338E-14 2.700054558411759E-12 -2.922921563050382E-14 6.292254100455078E-13 3.570724854453572E-15
tp -9.266315093498199E-13 2.700054558411759E-12 4.990624095836234E-9 -8.04289649210752E-12 1.085019003123528E-9 1.965535624606387E-12
node 1.077920276825569E-14 -2.922921563050382E-14 -8.04289649210752E-12 1.537151662181129E-9 -1.528190534912309E-9 5.881703507023703E-11
peri -2.244989865333898E-13 6.292254100455078E-13 1.085019003123528E-9 -1.528190534912309E-9 1.765514123405547E-9 -5.805365575049402E-11
i -1.042790583395038E-15 3.570724854453572E-15 1.965535624606387E-12 5.881703507023703E-11 -5.805365575049402E-11 2.779771905386573E-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 14.8   n/a MPO365716  
diameter diameter 6.238 km 0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39545 (1992 DH3)          Discovered 1992-Feb-25 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 DH3 = 1997 EE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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