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27676 (1981 DH3)
Classification: Main-belt Asteroid          SPK-ID: 2027676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136998155573497 5.1005e-08  
a 2.466693467364953 1.558e-08 au
q 1.939561528352543 1.213e-07 au
i 9.594049150120062 4.6265e-06 deg
node 229.0762676691633 2.8666e-05 deg
peri 90.56027901450523 3.101e-05 deg
M 186.1695827787817 1.4435e-05 deg
tp 2459283.773337504251
(2021-Mar-10.27333750)
6.061e-05 TDB
period 1415.04809936972
3.87
1.3407e-05
3.671e-08
d
yr
n .2544083131593537 2.4103e-09 deg/d
Q 2.993825406377363 1.8909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      13903 days (38.06 yr)  
   first obs. used      1981-02-09  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:04:53  

Additional Information
 Earth MOID = .954937 au 
 Jupiter MOID = 2.39906 au 
 T_jup = 3.436 
[ 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 14.6   n/a MPO435956  
rotation period rot_per 2.797 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27676 (1981 DH3)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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