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192458 (1998 DG1)
Classification: Main-belt Asteroid          SPK-ID: 2192458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3382192702978017 4.887e-08  
a 3.129227782450505 1.8698e-08 au
q 2.070862645274487 1.4789e-07 au
i 16.67645930215338 5.1194e-06 deg
node 12.18396276283527 2.0778e-05 deg
peri 54.53379922788423 2.4983e-05 deg
M 78.52782583187749 8.2498e-06 deg
tp 2458759.462755898067
(2019-Oct-02.96275590)
4.6267e-05 TDB
period 2021.874490917634
5.54
1.8122e-05
4.962e-08
d
yr
n .1780525950632143 1.5959e-09 deg/d
Q 4.187592919626523 2.5022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      8346 days (22.85 yr)  
   first obs. used      1998-02-19  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48134  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:07:10  

Additional Information
 Earth MOID = 1.12797 au 
 Jupiter MOID = 1.59876 au 
 T_jup = 3.061 
[ 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 15.17   n/a E2021B55  

192458 (1998 DG1)          Discovered 1998-Feb-19 by Klet at Klet
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1998 DG1 = 2002 RG100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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