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85745 (1998 SH127)
Classification: Main-belt Asteroid          SPK-ID: 2085745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1828541791407747 4.8811e-08  
a 2.632142689216193 1.7346e-08 au
q 2.150844398398175 1.3246e-07 au
i 12.08779499943003 5.598e-06 deg
node 34.19836470339973 2.308e-05 deg
peri 1.110161226485435 2.7508e-05 deg
M 278.8608293273083 1.5378e-05 deg
tp 2458952.052858661852
(2020-Apr-12.55285866)
6.8384e-05 TDB
period 1559.777208332519
4.27
1.5418e-05
4.221e-08
d
yr
n .2308021928239728 2.2815e-09 deg/d
Q 3.113440980034212 2.0518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1998-09-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57308  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:14:18  

Additional Information
 Earth MOID = 1.15702 au 
 Jupiter MOID = 2.32395 au 
 T_jup = 3.344 
[ 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 15.4   n/a MPO400792  
diameter diameter 5.286 km 1.611 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.820 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.040   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

85745 (1998 SH127)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 SH127 = 2000 EK169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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