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31462 Brchnelova (1999 CW22)
Classification: Main-belt Asteroid          SPK-ID: 2031462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07918643934124081 3.2167e-08  
a 2.226889492522049 6.8502e-09 au
q 2.050550042802805 7.0491e-08 au
i 3.451753476013978 3.033e-06 deg
node 79.15290182280229 6.3181e-05 deg
peri 60.56239721086511 6.6985e-05 deg
M 203.4852220096573 2.2904e-05 deg
tp 2459728.214800505319
(2022-May-28.71480051)
7.7918e-05 TDB
period 1213.798023555556
3.32
5.6007e-06
1.533e-08
d
yr
n .2965897068652811 1.3685e-09 deg/d
Q 2.403228942241292 7.3926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1641  
   data-arc span      10540 days (28.86 yr)  
   first obs. used      1992-01-01  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:34:06  

Additional Information
 Earth MOID = 1.06625 au 
 Jupiter MOID = 2.59885 au 
 T_jup = 3.639 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.26   n/a E2021B10  
diameter diameter 2.294 km 0.650 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.255   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31462 Brchnelova           Discovered 1999 Feb. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michaela Brchnelova (b. 1996) was awarded first place in the 2014 Intel International Science and Engineering Fair for her physics and astronomy project. She attends the High School of Jura Hronca, Bratislava, Slovakia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-06-02Last Updated: 2015-06-04

Alternate Designations
 1999 CW22 = 2000 ML2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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