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100742 (1998 DW25)
Classification: Main-belt Asteroid          SPK-ID: 2100742
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480453321963197 4.9916e-08  
a 2.375588329972723 1.3207e-08 au
q 2.023893566500211 1.1765e-07 au
i 1.949421872469676 5.6378e-06 deg
node 49.80438229950336 0.00016823 deg
peri 186.6825697185735 0.0001693 deg
M 17.74231877237772 1.9657e-05 deg
tp 2459134.588214170250
(2020-Oct-12.08821417)
7.2884e-05 TDB
period 1337.381162131502
3.66
1.1153e-05
3.054e-08
d
yr
n .2691827955960112 2.2448e-09 deg/d
Q 2.727283093445236 1.5162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      8565 days (23.45 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-04-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:33:34  

Additional Information
 Earth MOID = 1.0108 au 
 Jupiter MOID = 2.27035 au 
 T_jup = 3.526 
[ 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 17.35   n/a E2021B55  

100742 (1998 DW25)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 DW25 = 1996 VH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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