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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982606875073372 1.3127e-08  
a 2.227262399596196 4.325e-09 au
q 1.785683824993012 2.982e-08 au
i 5.191306518050083 8.1634e-07 deg
node 16.0995302140942 6.4363e-06 deg
peri 304.5950852815367 8.0702e-06 deg
M 257.7247679215168 3.8057e-06 deg
tp 2459741.424050839803
(2022-Jun-10.92405084)
1.3267e-05 TDB
period 1214.102923834407
3.32
3.5364e-06
9.682e-09
d
yr
n .2965152236542188 8.6368e-10 deg/d
Q 2.668840974199379 5.1825e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3484  
   data-arc span      40791 days (111.68 yr)  
   first obs. used      1909-10-20  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:29:11  

Additional Information
 Earth MOID = .77887 au 
 Jupiter MOID = 2.65616 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 12.04   n/a E2021B10  
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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