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30940 (1994 CL2)
Classification: Main-belt Asteroid          SPK-ID: 2030940
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608340732288521 3.4613e-08  
a 2.616668125897277 9.5237e-09 au
q 2.195818732921111 8.9397e-08 au
i 4.306651182682551 3.4444e-06 deg
node 118.1517418266223 5.0671e-05 deg
peri 337.822669544693 5.1866e-05 deg
M 158.2632206796319 1.1487e-05 deg
tp 2458520.828762281751
(2019-Feb-06.32876228)
4.7991e-05 TDB
period 1546.042375024532
4.23
8.4406e-06
2.311e-08
d
yr
n .2328526085802065 1.2712e-09 deg/d
Q 3.037517518873442 1.1055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      10132 days (27.74 yr)  
   first obs. used      1992-09-22  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:42:31  

Additional Information
 Earth MOID = 1.21312 au 
 Jupiter MOID = 2.13083 au 
 T_jup = 3.384 
[ 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 14.9   n/a MPO468105  
diameter diameter 4.767 km 0.966 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.082   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

30940 (1994 CL2)          Discovered 1994-Feb-14 by Kobayashi, T. at Oizumi
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 CL2 = 1992 ST22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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