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1415 Malautra (1937 EA)
Classification: Main-belt Asteroid          SPK-ID: 2001415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08618488104905095 3.6708e-08  
a 2.223601312215586 5.3635e-09 au
q 2.031960497621772 8.1944e-08 au
i 3.424620326203015 3.719e-06 deg
node 329.1868172030636 6.1822e-05 deg
peri 240.9453756905446 6.5373e-05 deg
M 350.6555885448969 2.2477e-05 deg
tp 2459031.936432977163
(2020-Jul-01.43643298)
7.5625e-05 TDB
period 1211.110611530079
3.32
4.382e-06
1.2e-08
d
yr
n .2972478290361831 1.0755e-09 deg/d
Q 2.4152421268094 5.8258e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2576  
   data-arc span      41321 days (113.13 yr)  
   first obs. used      1906-12-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:54:11  

Additional Information
 Earth MOID = 1.02923 au 
 Jupiter MOID = 2.55581 au 
 T_jup = 3.640 
[ 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 12.1   n/a MPO502167 IRAS observations used: 2
diameter diameter 7.375 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.489   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.878   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.97 deg.
U-B UB 0.475   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.97 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1415 Malautra (1937 EA)          Discovered 1937-Mar-04 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 EA = 1934 HF = 1955 UW1 = 1977 HF = A905 SB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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