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22129 (2000 SD311)
Classification: Main-belt Asteroid          SPK-ID: 2022129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184722782768181 4.9275e-08  
a 3.184674500695295 2.1474e-08 au
q 2.596392564715992 1.5461e-07 au
i 15.84921680509565 5.0916e-06 deg
node 323.6399252192015 1.3488e-05 deg
peri 37.78971933148569 1.7106e-05 deg
M 213.5193155461094 1.1141e-05 deg
tp 2460045.144313482062
(2023-Apr-10.64431348)
6.9395e-05 TDB
period 2075.850164048479
5.68
2.0996e-05
5.748e-08
d
yr
n .1734229214780613 1.7541e-09 deg/d
Q 3.772956436674597 2.5441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      15560 days (42.60 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:24  

Additional Information
 Earth MOID = 1.60856 au 
 Jupiter MOID = 1.74642 au 
 T_jup = 3.113 
[ 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 13.41   n/a E2021B10  
diameter diameter 14.342 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22129 (2000 SD311)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SD311 = 1977 UN2 = 1994 RQ11 = 1995 WA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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