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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329839240770127 3.1998e-08  
a 2.879339423729171 9.2774e-09 AU
q 2.496433568412021 9.3271e-08 AU
i 4.983072335486384 4.6314e-06 deg
node 3.127544743082693 4.3138e-05 deg
peri 313.9022832648203 4.647e-05 deg
M 50.40636963747109 1.7086e-05 deg
tp 2456550.626246079678
(2013-Sep-15.12624608)
8.4388e-05 JED
period 1784.586988872247
4.89
8.6251e-06
2.361e-08
d
yr
n .2017273476971266 9.7497e-10 deg/d
Q 3.26224527904632 1.0511e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1376  
   data-arc span      56101 days (153.60 yr)  
   first obs. used      1860-02-24  
   last obs. used      2013-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63067  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:08:27  

Additional Information
 Earth MOID = 1.48545 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Debehogne, H. (1979) Messenger 18, 27-28.]
[Millis, R.L.; Wasserman, L.H.; Bowell, E.; Harris, A.W.; et al. (1989) Icarus 81, 375-385.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Chernova, G.P.; Lupishko, D.F.; Shevchenko, V.G.; Kiselev, N.N.; Saljes, R. (1991) Kin. Fiz. Neb. Tel 7, 20-26; Kinematics and Physics of Celestial Bodies 7, 15-21.]
[Michalowski, T. (1996) Icarus 123, 456-462.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[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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