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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2032311463582448 4.5838e-08  
a 2.183164953047498 5.9308e-09 AU
q 1.739477836950512 9.9582e-08 AU
i 4.875607238610691 4.9258e-06 deg
node 44.1664284285376 5.4548e-05 deg
peri 284.0642447510139 5.5487e-05 deg
M 51.4666191124704 1.2672e-05 deg
tp 2456832.057610976031
(2014-Jun-23.55761098)
4.1037e-05 JED
period 1178.225053332401
3.23
4.8012e-06
1.314e-08
d
yr
n .3055443431471803 1.2451e-09 deg/d
Q 2.626852069144485 7.1362e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1457  
   data-arc span      31779 days (87.01 yr)  
   first obs. used      1927-10-30  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51983  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:47:41  

Additional Information
 Earth MOID = .737111 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 12.4 mag n/a MPO267714  
rotation period rot_per 4.4486 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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.]
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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