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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980915193528099 3.6994e-08  
a 2.227678374881785 5.5172e-09 au
q 1.786394180972054 8.2073e-08 au
i 5.190474733481745 3.9829e-06 deg
node 16.10966981344402 4.2892e-05 deg
peri 304.5171782679103 4.4382e-05 deg
M 140.4141421799098 1.3834e-05 deg
tp 2458526.819495453000
(2019-Feb-12.31949545)
4.5844e-05 TDB
period 1214.443068123649
3.32
4.5117e-06
1.235e-08
d
yr
n .2964321749196615 1.1013e-09 deg/d
Q 2.668962568791517 6.6102e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2891  
   data-arc span      33276 days (91.10 yr)  
   first obs. used      1929-10-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:11  

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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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