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31897 Brooksdasilva (2000 FT49)
Classification: Main-belt Asteroid          SPK-ID: 2031897
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1053679896697693 3.0166e-08  
a 2.436733010518685 1.0428e-08 au
q 2.179979351838367 7.0423e-08 au
i 6.27781870328717 5.6901e-06 deg
node 347.8793407020668 2.7075e-05 deg
peri 267.8440514460627 4.0134e-05 deg
M 65.8475970940047 2.8848e-05 deg
tp 2458746.374774184772
(2019-Sep-19.87477419)
0.00011168 TDB
period 1389.34578224437
3.80
8.9183e-06
2.442e-08
d
yr
n .2591147607749964 1.6633e-09 deg/d
Q 2.693486669199004 1.1527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      15410 days (42.19 yr)  
   first obs. used      1978-09-06  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51328  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:34:35  

Additional Information
 Earth MOID = 1.17642 au 
 Jupiter MOID = 2.37357 au 
 T_jup = 3.488 
[ 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 15.1   n/a MPO337522  
diameter diameter 3.042 km 0.485 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 57.293 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.276   0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31897 Brooksdasilva           Discovered 2000 Mar. 30 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Candace Rose Brooks-Da Silva (b. 1999) was awarded second place in the 2015 Intel International Science and Engineering Fair for her engineering mechanics project. She attends the Academie Ste. Cecile International School, Windsor, Ontario, Canada.
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 2015-11-25Last Updated: 2015-11-30

[ show close-approach data ]
Alternate Designations
 2000 FT49 = 1978 RU14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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