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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0493294580654814 3.3805e-08  
a 2.988138239432449 1.0536e-08 au
q 2.840734999456505 1.0133e-07 au
i 24.53604060921189 3.9937e-06 deg
node 179.9521091969472 7.2247e-06 deg
peri 303.5841057337416 3.4825e-05 deg
M 156.2397435429581 3.4679e-05 deg
tp 2457781.679944438661
(2017-Jan-28.17994444)
0.00018199 TDB
period 1886.685252533288
5.17
9.9786e-06
2.732e-08
d
yr
n .1908108411387756 1.0092e-09 deg/d
Q 3.135541479408393 1.1056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2822  
   data-arc span      43044 days (117.85 yr)  
   first obs. used      1901-10-12  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42713  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:11:44  

Additional Information
 Earth MOID = 1.89102 au 
 Jupiter MOID = 1.89925 au 
 T_jup = 3.118 
[ 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 9.19   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-January); 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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