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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06108044143382763 1.9376e-08  
a 2.890787461413699 1.1071e-08 au
q 2.714216887179177 5.9785e-08 au
i 3.504945770097207 7.5341e-07 deg
node 93.42969003915309 8.8578e-06 deg
peri 304.5902099592772 1.644e-05 deg
M 253.5537111072657 1.4863e-05 deg
tp 2459731.324176329888
(2022-May-31.82417633)
7.505e-05 TDB
period 1795.240637006401
4.92
1.0313e-05
2.824e-08
d
yr
n .2005302200602517 1.1519e-09 deg/d
Q 3.067358035648222 1.1747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2612  
   data-arc span      12040 days (32.96 yr)  
   first obs. used      1987-09-29  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:32:09  

Additional Information
 Earth MOID = 1.72245 au 
 Jupiter MOID = 2.2023 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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