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29153 (1988 SY2)
Classification: Main-belt Asteroid          SPK-ID: 2029153
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2771646360839113 4.5633e-08  
a 2.6347025736385 8.6659e-09 au
q 1.904456193626641 1.2042e-07 au
i 12.84076206539332 5.2749e-06 deg
node 176.6517456927171 1.8139e-05 deg
peri 185.0659562536137 1.945e-05 deg
M 53.34853162791769 6.6691e-06 deg
tp 2458369.018765422961
(2018-Sep-07.51876542)
2.8755e-05 TDB
period 1562.053198182593
4.28
7.7067e-06
2.11e-08
d
yr
n .2304659024538027 1.137e-09 deg/d
Q 3.36494895365036 1.1068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      13053 days (35.74 yr)  
   first obs. used      1983-06-05  
   last obs. used      2019-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51896  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:13:11  

Additional Information
 Earth MOID = .900933 au 
 Jupiter MOID = 2.08824 au 
 T_jup = 3.308 
[ 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 14.5   n/a MPO459063  
diameter diameter 3.624 km 1.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 3.493 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 0.234   0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

29153 (1988 SY2)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 SY2 = 2001 QY29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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