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11957 (1994 DS)
Classification: Main-belt Asteroid          SPK-ID: 2011957
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112654483824947 3.4682e-08  
a 2.267440706748886 7.7983e-09 au
q 2.01515289983175 7.9951e-08 au
i 4.501379704752235 4.0842e-06 deg
node 52.15492809084903 4.916e-05 deg
peri 33.22311677828154 5.3392e-05 deg
M 318.129017437053 2.2984e-05 deg
tp 2459145.548414903433
(2020-Oct-23.04841490)		 8.0049e-05 TDB
period 1247.103033389157
3.41		 6.4337e-06
1.761e-08		 d
yr
n .2886690115905302 1.4892e-09 deg/d
Q 2.519728513666021 8.666e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      24144 days (66.10 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:29:09  

Additional Information
 Earth MOID = 1.03292 au 
 Jupiter MOID = 2.65605 au 
 T_jup = 3.603 
[ 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 14.4   n/a MPO449029  

11957 (1994 DS)          Discovered 1994-Feb-17 by Kobayashi, T. at Oizumi
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1994 DS = 1977 EU3 = 1989 UL6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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