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14121 Stuwe (1998 QM54)
Classification: Main-belt Asteroid          SPK-ID: 2014121
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731602226702747 3.5363e-08  
a 2.229693829771773 6.0428e-09 au
q 1.843599549721955 7.8608e-08 au
i 3.989081613699577 3.1838e-06 deg
node 301.4751845370453 4.9991e-05 deg
peri 58.50471465571103 5.0609e-05 deg
M 186.1027361641604 8.5566e-06 deg
tp 2459587.930542015440
(2022-Jan-08.43054202)
2.9468e-05 TDB
period 1216.091561539419
3.33
4.9437e-06
1.354e-08
d
yr
n .2960303412880239 1.2034e-09 deg/d
Q 2.615788109821591 7.0892e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2065  
   data-arc span      18917 days (51.79 yr)  
   first obs. used      1968-08-27  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4674  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:41:24  

Additional Information
 Earth MOID = .843727 au 
 Jupiter MOID = 2.84257 au 
 T_jup = 3.620 
[ 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 13.9   n/a MPO263475  
diameter diameter 3.709 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.6741 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.323   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14121 Stüwe           Discovered 1998 Aug. 27 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Joachim A. Stüwe (b. 1958), of the Astronomisches Institut, Ruhr-Universität Bochum, has catalogued dark clouds and globules in the southern Milky Way and pioneered the development of distance determination algorithms for interstellar clouds based on automatic star counts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030318/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1998 QM54 = 1968 QV = 1985 VQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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