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754 Malabar (A906 QH)
Classification: Main-belt Asteroid          SPK-ID: 2000754
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 99 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05004833218676748 3.3383e-08  
a 2.986164827164421 9.8508e-09 au
q 2.836712257930055 1.0009e-07 au
i 24.54454900814124 3.9563e-06 deg
node 179.924129035527 7.1486e-06 deg
peri 303.5057804959388 3.3879e-05 deg
M 232.7346250627937 3.3858e-05 deg
tp 2459666.810797599063
(2022-Mar-28.31079760)
0.00017731 TDB
period 1884.816567381485
5.16
9.3264e-06
2.553e-08
d
yr
n .1910000189037687 9.4511e-10 deg/d
Q 3.135617396398787 1.0344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3049  
   data-arc span      43396 days (118.81 yr)  
   first obs. used      1901-10-12  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:21:32  

Additional Information
 Earth MOID = 1.88706 au 
 Jupiter MOID = 1.899 au 
 T_jup = 3.119 
[ 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 9.2   n/a MPO502160 IRAS observations used: 30
diameter diameter 94.522 km 0.931 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.740 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2003) Minor Planet Bull. 30, 69-70.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.042   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.695   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.56, mean=12.57, max.=12.57) deg.
U-B UB 0.335   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.56, mean=12.57, max.=12.57) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   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)

754 Malabar (A906 QH)          Discovered 1906-Aug-22 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A906 QH = A901 TC = A909 DC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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