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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139779476381534 5.0734e-08  
a 2.466432285069383 1.534e-08 au
q 1.938670166721755 1.2083e-07 au
i 9.594257002496652 4.6261e-06 deg
node 229.0720393827555 2.8637e-05 deg
peri 90.5645095670031 3.0975e-05 deg
M 287.966252251624 1.4946e-05 deg
tp 2459283.597302803973
(2021-Mar-10.09730280)
6.0362e-05 TDB
period 1414.823359815093
3.87
1.3199e-05
3.614e-08
d
yr
n .2544487249963483 2.3738e-09 deg/d
Q 2.99419440341701 1.8622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      14234 days (38.97 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:08:23  

Additional Information
 Earth MOID = .954891 au 
 Jupiter MOID = 2.40112 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-August); 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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