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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1108972668620642 3.4682e-08  
a 2.268170743151722 7.9439e-09 au
q 2.016636806959699 7.9905e-08 au
i 4.50168413726161 4.0855e-06 deg
node 52.16517158824849 4.9232e-05 deg
peri 33.08819393700678 5.3527e-05 deg
M 202.785995588046 2.2859e-05 deg
tp 2459145.379880773312
(2020-Oct-22.87988077)
8.0831e-05 TDB
period 1247.705367038392
3.42
6.5548e-06
1.795e-08
d
yr
n .2885296557267456 1.5158e-09 deg/d
Q 2.519704679343745 8.8249e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1630  
   data-arc span      23891 days (65.41 yr)  
   first obs. used      1954-06-30  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:41:15  

Additional Information
 Earth MOID = 1.03431 au 
 Jupiter MOID = 2.6575 au 
 T_jup = 3.602 
[ 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

[ show close-approach data ]
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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