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4406 Mahler (1987 YD1)
Classification: Main-belt Asteroid          SPK-ID: 2004406
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299897839790938 4.9348e-08  
a 3.150711718926798 1.9453e-08 au
q 2.741151383203104 1.5492e-07 au
i 1.904232631979568 3.5916e-06 deg
node 100.5952241841647 0.00016932 deg
peri 90.23427427960323 0.00016982 deg
M 197.5788695176271 1.4976e-05 deg
tp 2459922.119080514821
(2022-Dec-08.61908051)
8.8755e-05 TDB
period 2042.732174071052
5.59
1.8918e-05
5.179e-08
d
yr
n .1762345571140342 1.6321e-09 deg/d
Q 3.560272054650492 2.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1772  
   data-arc span      31622 days (86.58 yr)  
   first obs. used      1933-04-24  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:43:43  

Additional Information
 Earth MOID = 1.74215 au 
 Jupiter MOID = 1.39523 au 
 T_jup = 3.194 
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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 13.0   n/a MPO502195  
diameter diameter 13.058 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4406 Mahler (1987 YD1)          Discovered 1987-Dec-22 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1987 YD1 = 1933 HF = 1978 GA5 = 1978 JJ3 = 1979 OD4 = 1983 CS5 = 1989 FN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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