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118164 (1981 DC3)
Classification: Main-belt Asteroid          SPK-ID: 2118164
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09207204945283938 6.5968e-08  
a 2.414510700368599 1.7705e-08 au
q 2.192201751759852 1.6118e-07 au
i 5.291217061218926 6.2105e-06 deg
node 267.7014711623992 7.3163e-05 deg
peri 336.8916826004399 7.9107e-05 deg
M 107.5415993528738 3.0539e-05 deg
tp 2458591.129900316465
(2019-Apr-17.62990032)
0.00011589 TDB
period 1370.383523891069
3.75
1.5073e-05
4.127e-08
d
yr
n .2627001811710459 2.8895e-09 deg/d
Q 2.636819648977347 1.9335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      13498 days (36.96 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62861  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 06:41:41  

Additional Information
 Earth MOID = 1.17975 au 
 Jupiter MOID = 2.38617 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 16.1   n/a MPO240980  

118164 (1981 DC3)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 1981 DC3 = 2000 JU26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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