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187684 (2008 DW16)
Classification: Main-belt Asteroid          SPK-ID: 2187684
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09055127282182548 5.4959e-08  
a 2.382027307401771 1.3694e-08 au
q 2.166331702820195 1.2953e-07 au
i 6.734140421462532 5.6515e-06 deg
node 190.1573339030697 4.053e-05 deg
peri 327.497236262687 4.8216e-05 deg
M 175.5164842578884 2.8143e-05 deg
tp 2458545.812662802275
(2019-Mar-03.31266280)
0.00010301 TDB
period 1342.822256198357
3.68
1.158e-05
3.17e-08
d
yr
n .2680920712613079 2.3119e-09 deg/d
Q 2.597722911983348 1.4934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      9077 days (24.85 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52996  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:25  

Additional Information
 Earth MOID = 1.17757 au 
 Jupiter MOID = 2.38523 au 
 T_jup = 3.523 
[ 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 17.19   n/a E2021B55  

187684 (2008 DW16)          Discovered 2008-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2008 DW16 = 1995 SK58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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