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16813 Ronmastaler (1997 UT6)
Classification: Main-belt Asteroid          SPK-ID: 2016813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1337785865974361 1.5871e-08  
a 2.183191799794029 5.0799e-09 au
q 1.891127486546471 3.462e-08 au
i 3.074643924462614 7.2338e-07 deg
node 208.4087680330526 6.5401e-06 deg
peri 341.2342028564202 9.1272e-06 deg
M 335.5432640659604 5.768e-06 deg
tp 2459476.544640350408
(2021-Sep-19.04464035)
1.9003e-05 TDB
period 1178.246786646617
3.23
4.1123e-06
1.126e-08
d
yr
n .3055387072385644 1.0664e-09 deg/d
Q 2.475256113041587 5.7595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2389  
   data-arc span      14440 days (39.53 yr)  
   first obs. used      1981-10-30  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:43:27  

Additional Information
 Earth MOID = .892399 au 
 Jupiter MOID = 2.48133 au 
 T_jup = 3.665 
[ 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 14.38   n/a MPCxxxxx  
diameter diameter 2.942 km 0.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 8.293 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:
[Hayes-Gehrke, M.N.; Cameron, H.; Gulotta, C.; He, Y.; et al. (2015) Minor Planet Bull. 42, 244.]
geometric albedo albedo 0.400   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

16813 Ronmastaler           Discovered 1997 Oct. 23 at Kitt Peak.
Ronald A. Mastaler (b. 1955) is an atmospheric scientist and a fluent translator and interpreter of the Russian language. With the Spacewatch project since 2013, he has been a prolific asteroid astrometrist.
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 2019-12-12Last Updated: 2019-12-13

Alternate Designations
 1997 UT6 = 1981 UU5 = 1994 WC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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