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1738 Oosterhoff (1930 SP)
Classification: Main-belt Asteroid          SPK-ID: 2001738
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027656354406304 4.4899e-08  
a 2.184099116910445 5.1293e-09 au
q 1.741238871604779 9.7061e-08 au
i 4.875207974140301 4.6281e-06 deg
node 44.14393953677004 4.9375e-05 deg
peri 284.17628328 5.0378e-05 deg
M 173.5742960950245 1.2033e-05 deg
tp 2456832.053163761780
(2014-Jun-23.55316376)
3.8163e-05 JED
period 1178.981367919401
3.23
4.1532e-06
1.137e-08
d
yr
n .3053483369591392 1.0757e-09 deg/d
Q 2.626959362216111 6.1694e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1813  
   data-arc span      32195 days (88.15 yr)  
   first obs. used      1927-10-30  
   last obs. used      2015-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:40:24  

Additional Information
 Earth MOID = .736243 au 
 Jupiter MOID = 2.71686 au 
 T_jup = 3.647 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO358644  
rotation period rot_per 4.4486 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1738 Oosterhoff (1930 SP)          Discovered 1930-Sep-16 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 SP = 1927 UF = 1939 GO = 1942 FD = 1943 TO = 1946 OG = 1949 JE = 1949 KH = 1952 HV = 1952 JJ = 1959 RB1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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