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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 105 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05019201934020145 1.7888e-08  
a 2.986170446949 7.5544e-09 au
q 2.836288522122597 5.7092e-08 au
i 24.54476438491535 1.2847e-06 deg
node 179.9241903870357 2.1976e-06 deg
peri 303.4464643279521 1.6408e-05 deg
M 271.0118288944109 1.7628e-05 deg
tp 2459666.407924104496
(2022-Mar-27.90792410)
9.2761e-05 TDB
period 1884.821888052986
5.16
7.1523e-06
1.958e-08
d
yr
n .1909994797290256 7.2479e-10 deg/d
Q 3.136052371775402 7.9336e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3590  
   data-arc span      43611 days (119.40 yr)  
   first obs. used      1901-10-12  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:50:22  

Additional Information
 Earth MOID = 1.88656 au 
 Jupiter MOID = 1.89793 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 9.27   n/a E2021B10 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 11.732 h n/a LCDB (Rev. 2020-October); 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]
[Behrend, R. (2019) 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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