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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06599605630527791 3.142e-08  
a 2.883495038020998 1.133e-08 au
q 2.693195737135775 9.3576e-08 au
i 7.573807054284261 3.6209e-06 deg
node 298.9587533242589 2.7362e-05 deg
peri 54.67630658844577 3.9635e-05 deg
M 242.596567665519 2.9223e-05 deg
tp 2459583.751054385936
(2022-Jan-04.25105439)
0.00014581 TDB
period 1788.451797394933
4.90
1.0541e-05
2.886e-08
d
yr
n .201291418938088 1.1863e-09 deg/d
Q 3.073794338906222 1.2077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2917  
   data-arc span      31799 days (87.06 yr)  
   first obs. used      1933-08-26  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:20:33  

Additional Information
 Earth MOID = 1.69515 au 
 Jupiter MOID = 2.26034 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 11.4   n/a MPO473781  
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. 2020-October); 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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