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10472 Santana-Ros (1981 EO20)
Classification: Main-belt Asteroid          SPK-ID: 2010472
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2208365895868603 2.8629e-08  
a 2.340235426235954 8.7064e-09 au
q 1.823425815875654 6.7441e-08 au
i 2.75871628852684 4.1724e-06 deg
node 168.9202924302165 6.8449e-05 deg
peri 114.5184703095994 6.9172e-05 deg
M 312.4946688511128 1.173e-05 deg
tp 2459373.055020625743
(2021-Jun-07.55502063)
4.3066e-05 TDB
period 1307.638657029393
3.58
7.2972e-06
1.998e-08
d
yr
n .2753054125960334 1.5363e-09 deg/d
Q 2.857045036596255 1.0629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1328  
   data-arc span      14588 days (39.94 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53093  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:07:20  

Additional Information
 Earth MOID = .807254 au 
 Jupiter MOID = 2.30412 au 
 T_jup = 3.530 
[ 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 14.99   n/a E2021B10  
diameter diameter 3.111 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.98599 h n/a LCDB (Rev. 2020-October); 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.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.219   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10472 Santana-Ros           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Toni Santana-Ros (b. 1984) is a postdoctoral researcher at the Astronomical Observatory of the Adam Mickiewic University in Poznan, Poland where he performs photometric measurements of small bodies in support of the Gaia mission.
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

Alternate Designations
 1981 EO20 = 1989 TV16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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