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35459 (1998 DG20)
Classification: Main-belt Asteroid          SPK-ID: 2035459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09883128874003649 2.0113e-08  
a 2.481502426358086 8.5945e-09 au
q 2.236252343549589 5.0684e-08 au
i 8.55688577605329 3.7896e-07 deg
node 95.48127939849826 7.8955e-06 deg
peri 159.7962814530945 1.3409e-05 deg
M 240.2158217086062 8.9949e-06 deg
tp 2459675.580757608336
(2022-Apr-06.08075761)
3.7239e-05 TDB
period 1427.810209817077
3.91
7.4176e-06
2.031e-08
d
yr
n .2521343505773931 1.3099e-09 deg/d
Q 2.726752509166583 9.4439e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2052  
   data-arc span      8425 days (23.07 yr)  
   first obs. used      1998-02-27  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:59:47  

Additional Information
 Earth MOID = 1.22141 au 
 Jupiter MOID = 2.3233 au 
 T_jup = 3.456 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.00   n/a MPCxxxxx  
diameter diameter 5.150 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35459 (1998 DG20)          Discovered 1998-Feb-27 by Sarounova, L. at Ondrejov
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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