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1501 Baade (1938 UJ)
Classification: Main-belt Asteroid          SPK-ID: 2001501
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2400699090459129 1.4296e-08  
a 2.545487823073484 4.8802e-09 au
q 1.934392792910754 3.6787e-08 au
i 7.299381578423082 2.3613e-07 deg
node 16.87807781780604 5.2587e-06 deg
peri 14.16815580983135 6.0454e-06 deg
M 123.4076543723161 2.6563e-06 deg
tp 2458887.995782198230
(2020-Feb-08.49578220)
1.03e-05 TDB
period 1483.388687190729
4.06
4.266e-06
1.168e-08
d
yr
n .2426875727910364 6.9793e-10 deg/d
Q 3.156582853236214 6.0518e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3405  
   data-arc span      33089 days (90.59 yr)  
   first obs. used      1930-11-24  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:27:23  

Additional Information
 Earth MOID = .93997 au 
 Jupiter MOID = 2.30327 au 
 T_jup = 3.391 
[ 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 12.00   n/a MPCxxxxx  
diameter diameter 10.798 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 15.132 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Ivarsen, K.; Willis, S.; Ingleby, L.; Matthews, D.; Simet, M. (2004) Minor Planet Bull. 31, 29-33.]
[Collaborative Asteroid Lightcurve Link (CALL) (2011) http://www.minorplanetobserver.com/DATA/submissions_results.htm]
geometric albedo albedo 0.263   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1501 Baade (1938 UJ)          Discovered 1938-Oct-20 by Wachmann, A. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1938 UJ = 1930 UH1 = 1930 WJ = 1930 XH = 1934 VG = 1950 RD = 1970 QA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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