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85488 (1997 SH2)
Classification: Main-belt Asteroid          SPK-ID: 2085488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900476736606454 5.3387e-08  
a 2.344039013588588 1.0944e-08 au
q 1.898559852086283 1.2604e-07 au
i 2.874244579106721 6.105e-06 deg
node 175.4528514559316 8.6588e-05 deg
peri 168.8152441525971 8.7727e-05 deg
M 125.4911564164242 1.3688e-05 deg
tp 2458543.563026290024
(2019-Mar-01.06302629)
4.9025e-05 TDB
period 1310.827911966409
3.59
9.1803e-06
2.513e-08
d
yr
n .2746355922952191 1.9234e-09 deg/d
Q 2.789518175090893 1.3024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      418  
   data-arc span      10644 days (29.14 yr)  
   first obs. used      1990-11-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 13:20:37  

Additional Information
 Earth MOID = .891115 au 
 Jupiter MOID = 2.62029 au 
 T_jup = 3.536 
[ 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 16.7   n/a MPO449531  

85488 (1997 SH2)          Discovered 1997-Sep-23 by Comba, P. G. at Prescott
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 SH2 = 2001 XG112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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