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10477 Lacumparsita (1981 ET41)
Classification: Main-belt Asteroid          SPK-ID: 2010477
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346328035187432 5.3788e-08  
a 2.332517112187441 8.408e-09 au
q 2.018483794118203 1.2401e-07 au
i 8.147962734323919 5.4801e-06 deg
node 173.2539812065426 2.5181e-05 deg
peri 190.8462432366111 2.8215e-05 deg
M 175.108626291107 1.3147e-05 deg
tp 2458367.591796285001
4.7209e-05 TDB
period 1301.174923036737
n .2766730234546919 1.496e-09 deg/d
Q 2.646550430256679 9.54e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      14322 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:21:45  

Additional Information
 Earth MOID = 1.01643 au 
 Jupiter MOID = 2.80797 au 
 T_jup = 3.544 
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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 15.0   n/a MPO452318  
diameter diameter 3.048 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.21748 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.229   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

10477 Lacumparsita           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
La Cumparsita is a song considered the `anthem of the tangos' created and written by the Uruguayan composer Gerardo Matos Rodríguez (1897-1948). It was played for the first time in 1917 in Montevideo, site of the 2017 Asteroids Comets Meteors conference.
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 2017-03-12Last Updated: 2017-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2013-Mar-27 01:38 < 00:01 Amphi 0.0456237208661566 0.0456225250066003 0.0456249167283143 4.6086606461095 4.60866061876893 2456378.567889895 0.515362795853182 62.8861534730396 30.6782771610798 -21.4010979461021 129567.751615684 T 22 CATAB v2.0f-lin.ifort 2020-May-20 03:21:53 2020-May-20 03:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Aug-07 02:17 UT
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