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14553 (1997 UD25)
Classification: Main-belt Asteroid          SPK-ID: 2014553
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06025981948321363 1.9446e-08  
a 2.892330326811078 1.1425e-08 au
q 2.718039023431619 6.0145e-08 au
i 3.502219020843434 7.5147e-07 deg
node 93.40054877805296 8.8639e-06 deg
peri 304.0500020680207 1.6454e-05 deg
M 293.3184513810469 1.4875e-05 deg
tp 2459729.292431179046
(2022-May-29.79243118)
7.4853e-05 TDB
period 1796.678057210024
4.92
1.0646e-05
2.915e-08
d
yr
n .2003697872055202 1.1873e-09 deg/d
Q 3.066621630190538 1.2114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2686  
   data-arc span      12324 days (33.74 yr)  
   first obs. used      1987-09-29  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:35:02  

Additional Information
 Earth MOID = 1.72657 au 
 Jupiter MOID = 2.2009 au 
 T_jup = 3.285 
[ 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 13.08   n/a E2020-QM5  
diameter diameter 7.302 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.727 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.185   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14553 (1997 UD25)          Discovered 1997-Oct-27 by Otomo, S. at Kiyosato
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 UD25 = 1987 SD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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