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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774353303971323 4.5015e-08  
a 2.634215559693011 8.6626e-09 au
q 1.903391095552314 1.187e-07 au
i 12.84324126077192 5.181e-06 deg
node 176.6398025577725 1.7821e-05 deg
peri 185.0458254217309 1.9083e-05 deg
M 145.557697805212 6.6833e-06 deg
tp 2458369.094922253656
(2018-Sep-07.59492225)
2.8347e-05 TDB
period 1561.620109524326
4.28
7.7031e-06
2.109e-08
d
yr
n .2305298182345109 1.1371e-09 deg/d
Q 3.365040023833709 1.1066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      13365 days (36.59 yr)  
   first obs. used      1983-06-05  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51839  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 03:19:13  

Additional Information
 Earth MOID = .900733 au 
 Jupiter MOID = 2.09165 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 3.492 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Fauerbach, M.; Fauerbach, M. (2019) Minor Planet Bull. 46, 138-139.]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-May-23 11:29 00:04 Hebe 0.0195824594335124 0.0195814894180298 0.0195834326948693 3.34402810507039 3.34402801013669 2433059.978404570 3.5218557717309 583.333028850525 35.3457493845842 -86.7457070087126 82671.0939676867 T 25 CATAB v2.0f-lin.ifort 2020-Jan-29 03:19:45 2020-Jan-29 03:19
2027-Jul-03 12:45 < 00:01 Juno 0.0428524115458546 0.0428496706145012 0.0428551532582471 4.6305430625073 4.63054300119625 2461590.031465270 0.332005194112779 329.110199963909 36.9858300066909 66.2978678866248 158780.854155708 T 25 CATAB v2.0f-lin.ifort 2020-Jan-29 03:19:45 2020-Jan-29 03:19

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