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JPL Small-Body Database Browser
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1288 Santa (1933 QM)
Classification: Main-belt Asteroid          SPK-ID: 2001288
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06582408930418675 3.4977e-08  
a 2.883589473434935 1.2351e-08 au
q 2.693779822418942 1.0191e-07 au
i 7.573652131089716 4.2063e-06 deg
node 298.9570006978978 2.785e-05 deg
peri 54.89439153439384 4.2179e-05 deg
M 161.8311716698066 3.1227e-05 deg
tp 2457796.495921609154
(2017-Feb-11.99592161)
0.00015515 TDB
period 1788.539656694006
4.90
1.1491e-05
3.146e-08
d
yr
n .2012815308023058 1.2932e-09 deg/d
Q 3.07339912445093 1.3164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2493  
   data-arc span      31303 days (85.70 yr)  
   first obs. used      1933-08-26  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:21:13  

Additional Information
 Earth MOID = 1.69493 au 
 Jupiter MOID = 2.25932 au 
 T_jup = 3.277 
[ 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 11.41   n/a PDS3 (MPC 17261)  
diameter diameter 31.378 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.605 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.044   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.710   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.34 deg.
U-B UB 0.300   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.34 deg.

1288 Santa (1933 QM)          Discovered 1933-Aug-26 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 QM = 1960 CA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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