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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2399407297780778 1.453e-08  
a 2.545644920150755 4.888e-09 au
q 1.934841020253926 3.7426e-08 au
i 7.298691135515553 2.3613e-07 deg
node 16.88297781170218 5.265e-06 deg
peri 14.17387238559296 6.0667e-06 deg
M 75.84500032101072 2.5964e-06 deg
tp 2458887.949914221305
(2020-Feb-08.44991422)
1.0326e-05 TDB
period 1483.52601231594
4.06
4.2729e-06
1.17e-08
d
yr
n .2426651080003661 6.9893e-10 deg/d
Q 3.156448820047584 6.0608e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3227  
   data-arc span      32982 days (90.30 yr)  
   first obs. used      1930-11-24  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:32:38  

Additional Information
 Earth MOID = .939936 au 
 Jupiter MOID = 2.30236 au 
 T_jup = 3.391 
[ show covariance matrix ]

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 11.99   n/a E2021B10  
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

[ show close-approach data ]
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 | Close-Approach Data ]
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