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85489 (1997 SV2)
Classification: Main-belt Asteroid          SPK-ID: 2085489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2354388136421882 4.6056e-08  
a 3.123894491766709 2.4538e-08 au
q 2.388408478681789 1.4403e-07 au
i 23.71844438518599 6.8586e-06 deg
node 191.31266494334 1.1543e-05 deg
peri 134.7931321357447 1.8894e-05 deg
M 348.4743818749538 1.1794e-05 deg
tp 2458665.066119895669
(2019-Jun-30.56611990)
6.5963e-05 TDB
period 2016.707729707789
5.52
2.3762e-05
6.506e-08
d
yr
n .1785087619276206 2.1033e-09 deg/d
Q 3.85938050485163 3.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1997-09-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55361  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:11:45  

Additional Information
 Earth MOID = 1.43099 au 
 Jupiter MOID = 1.83449 au 
 T_jup = 3.045 
[ 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 14.9   n/a MPO439614  
diameter diameter 8.472 km 0.665 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.79502 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.025   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85489 (1997 SV2)          Discovered 1997-Sep-19 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 SV2 = 2002 ME1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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