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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1832497099935506 3.741e-08  
a 2.632375861447569 1.2284e-08 au
q 2.149993748243279 9.5351e-08 au
i 12.08696875763146 3.342e-06 deg
node 34.17856569469878 2.1233e-05 deg
peri 1.243644531541388 2.5529e-05 deg
M 102.481892097463 1.3664e-05 deg
tp 2458952.416220254790
(2020-Apr-12.91622025)
5.8281e-05 TDB
period 1559.984475659707
4.27
1.092e-05
2.99e-08
d
yr
n .2307715272921279 1.6154e-09 deg/d
Q 3.114757974651859 1.4535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8247 days (22.58 yr)  
   first obs. used      1998-09-24  
   last obs. used      2021-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:53  

Additional Information
 Earth MOID = 1.15618 au 
 Jupiter MOID = 2.32701 au 
 T_jup = 3.344 
[ 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 15.45   n/a MPCxxxxx  
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. 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:
[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

Alternate Designations
 1998 SH127 = 2000 EK169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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