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62 Erato
Classification: Main-belt Asteroid          SPK-ID: 2000062
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 90 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713084364866211 3.7949e-08  
a 3.12828095997458 1.3878e-08 AU
q 2.592380039830468 1.1775e-07 AU
i 2.230007825464392 4.6282e-06 deg
node 125.5690655128695 0.00011957 deg
peri 274.0558106889437 0.00012032 deg
M 317.5957863629871 1.5115e-05 deg
tp 2457238.547468328221
(2015-Aug-04.04746833)
8.5513e-05 JED
period 2020.956910832986
5.53
1.3448e-05
3.682e-08
d
yr
n .1781334367250894 1.1854e-09 deg/d
Q 3.664181880118691 1.6256e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1687  
   data-arc span      39646 days (108.54 yr)  
   first obs. used      1906-02-15  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57938  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:33:30  

Additional Information
 Earth MOID = 1.60122 AU 
 T_jup = 3.190 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.76 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
diameter diameter 95.39 km 2.0 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
rotation period rot_per 9.2213 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Durkee, R.I. (2005) Minor Planet Bul. 32, 84.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Gonclaves, R.M.D.; Behrend, R. (2006) Minor Planet Bul. 33, 7.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.0608   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
B-V BV .708 mag .046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg.
U-B UB .378 mag .031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=15.59, mean=16.44, max.=17.86) deg.
Tholen spectral type spec_T BU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

62 Erato          Discovered 1860-Sep-14 by Lesser, O. and Forster, W. at Berlin
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 FW = 1953 OS = 2002 JN104 = A906 BE = A907 GE = A910 VA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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