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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07138798550301134 3.1074e-08  
a 2.326436404387819 7.5826e-09 au
q 2.160356796077703 7.3373e-08 au
i 4.83019990275475 3.4489e-06 deg
node 156.1299527117958 3.5658e-05 deg
peri 1.201116844107841 4.158e-05 deg
M 107.8396568403036 2.1849e-05 deg
tp 2458612.250235465205
(2019-May-08.75023547)
7.8321e-05 TDB
period 1296.090133516535
3.55
6.3366e-06
1.735e-08
d
yr
n .2777584603805699 1.358e-09 deg/d
Q 2.492516012697934 8.1239e-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 = 1.16946 au 
 Jupiter MOID = 2.48184 au 
 T_jup = 3.566 
[ 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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