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1527 Malmquista (1939 UG)
Classification: Main-belt Asteroid          SPK-ID: 2001527
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980915207229499 3.7017e-08  
a 2.227678375264208 5.5235e-09 au
q 1.786394178226491 8.2121e-08 au
i 5.190474690111179 3.9975e-06 deg
node 16.1096692328885 4.2967e-05 deg
peri 304.5171777389741 4.4461e-05 deg
M 140.4141427645105 1.384e-05 deg
tp 2458526.819493358903
(2019-Feb-12.31949336)
4.5867e-05 TDB
period 1214.443068436372
3.32
4.5168e-06
1.237e-08
d
yr
n .2964321748433292 1.1025e-09 deg/d
Q 2.668962572301925 6.6177e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2833  
   data-arc span      33073 days (90.55 yr)  
   first obs. used      1929-10-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4459  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:26:01  

Additional Information
 Earth MOID = .780257 au 
 Jupiter MOID = 2.65656 au 
 T_jup = 3.613 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0   n/a MPO448927  
diameter diameter 10.040 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.077 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Brincat, S.M. (2003) Minor Planet Bull. 30, 19.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.307   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1527 Malmquista (1939 UG)          Discovered 1939-Oct-18 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1939 UG = 1929 TG = 1932 OB = 1972 TK = A909 TC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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