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129619 (1998 DR17)
Classification: Main-belt Asteroid          SPK-ID: 2129619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09797630037317676 4.2617e-08  
a 2.406548440252871 1.3084e-08 au
q 2.170763727408056 1.0412e-07 au
i 6.91271044341108 3.7809e-06 deg
node 141.4843001392923 3.7462e-05 deg
peri 268.8867991407239 4.2468e-05 deg
M 80.71345461196229 1.9639e-05 deg
tp 2458694.773014789005
(2019-Jul-30.27301479)
7.4002e-05 TDB
period 1363.610505895087
3.73
1.1121e-05
3.045e-08
d
yr
n .2640050061536395 2.1531e-09 deg/d
Q 2.642333153097686 1.4366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      653  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1998-02-23  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:45:55  

Additional Information
 Earth MOID = 1.19415 au 
 Jupiter MOID = 2.65427 au 
 T_jup = 3.506 
[ 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 16.0   n/a MPO359646  

129619 (1998 DR17)          Discovered 1998-Feb-23 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 DR17 = 2000 WH191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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