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47 Aglaja
Classification: Main-belt Asteroid          SPK-ID: 2000047
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328771521935293 3.1147e-08  
a 2.879112237250088 8.9249e-09 AU
q 2.496544002318756 9.032e-08 AU
i 4.98312815796708 4.4273e-06 deg
node 3.127617923335741 4.2997e-05 deg
peri 313.8835010283417 4.6307e-05 deg
M 90.78401063809633 1.7143e-05 deg
tp 2456550.520028089610
(2013-Sep-15.02002809)
8.4385e-05 JED
period 1784.375781033869
4.89
8.297e-06
2.272e-08
d
yr
n .2017512251771404 9.381e-10 deg/d
Q 3.261680472181421 1.0111e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1580  
   data-arc span      56645 days (155.09 yr)  
   first obs. used      1860-02-24  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60873  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 15:57:58  

Additional Information
 Earth MOID = 1.48744 AU 
 T_jup = 3.276 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.84 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
magnitude slope G 0.16   n/a PDS3 (MPC 17257) Fit
diameter diameter 126.96 km 7.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
rotation period rot_per 13.178 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Pilcher, F. (2012) Minor Planet Bul. 39, 220-222.]
geometric albedo albedo 0.0801   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
B-V BV .665 mag .015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=7.07, mean=12.75, max.=18.61) deg.
U-B UB .300 mag .016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=7.07, mean=12.75, max.=18.61) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

47 Aglaja          Discovered 1857-Sep-15 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1948 EU = 1982 DX2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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