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102 Miriam
Classification: Main-belt Asteroid          SPK-ID: 2000102
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 64 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2530504016258153 2.8173e-08  
a 2.660047420906825 7.5721e-09 AU
q 1.986921352702639 7.3402e-08 AU
i 5.178818962815682 3.3477e-06 deg
node 210.8659629245766 3.816e-05 deg
peri 147.3490881135963 3.8749e-05 deg
M 202.1181616563838 8.8073e-06 deg
tp 2457495.463777368228
(2016-Apr-16.96377737)
4.0675e-05 JED
period 1584.646862978957
4.34
6.7663e-06
1.853e-08
d
yr
n .2271799530926661 9.7004e-10 deg/d
Q 3.333173489111011 9.4883e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1682  
   data-arc span      52735 days (144.38 yr)  
   first obs. used      1870-01-28  
   last obs. used      2014-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53788  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:53:34  

Additional Information
 Earth MOID = .984472 AU 
 T_jup = 3.334 
[ 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 9.26 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 14
diameter diameter 83.00 km 1.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 14
rotation period rot_per 23.613 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pilcher, F. (2008) Minor Planet Bul. 35, 71-72.]
[Pilcher, F. (2013) Minor Planet Bul. 40, 158-160.]
geometric albedo albedo 0.0507   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 14
B-V BV .726 mag .028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=7.86, mean=14.79, max.=27.13) deg.
U-B UB .371 mag .070 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=7.86, mean=14.79, max.=27.13) deg.
Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B C   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)

102 Miriam          Discovered 1868-Aug-22 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1944 FC = 1972 PC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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