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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06600682014648479 3.1401e-08  
a 2.884750752749633 1.1201e-08 au
q 2.694337528645451 9.3701e-08 au
i 7.573740523873794 3.6177e-06 deg
node 298.9586452655005 2.7258e-05 deg
peri 54.28680817675379 3.9491e-05 deg
M 283.2422062785221 2.9186e-05 deg
tp 2459582.075825351875
(2022-Jan-02.57582535)		 0.00014551 TDB
period 1789.620186650021
4.90		 1.0423e-05
2.854e-08		 d
yr
n .2011600018179734 1.1716e-09 deg/d
Q 3.075163976853814 1.1941e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2940  
   data-arc span      31978 days (87.55 yr)  
   first obs. used      1933-08-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:15:03  

Additional Information
 Earth MOID = 1.69431 au 
 Jupiter MOID = 2.25718 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 11.50   n/a E2021B10  
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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