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39874 (1998 DC35)
Classification: Main-belt Asteroid          SPK-ID: 2039874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07134701683458128 3.1028e-08  
a 2.325373559180574 7.6888e-09 au
q 2.159465092707027 7.3342e-08 au
i 4.830009162829223 3.4488e-06 deg
node 156.1506490601715 3.5669e-05 deg
peri .7508340492631784 4.1611e-05 deg
M 357.1057287848712 2.1793e-05 deg
tp 2458610.912961111034
(2019-May-07.41296111)
7.8417e-05 TDB
period 1295.202046158473
3.55
6.4238e-06
1.759e-08
d
yr
n .2779489123474967 1.3785e-09 deg/d
Q 2.491282025654121 8.2373e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2171  
   data-arc span      7744 days (21.20 yr)  
   first obs. used      1998-02-27  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46623  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:57  

Additional Information
 Earth MOID = 1.16915 au 
 Jupiter MOID = 2.48499 au 
 T_jup = 3.567 
[ show covariance matrix ]

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 14.3   n/a MPO474256  
diameter diameter 3.964 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39874 (1998 DC35)          Discovered 1998-Feb-27 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DC35 = 1999 NE4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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