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70 Panopaea
Classification: Main-belt Asteroid          SPK-ID: 2000070
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821645548812134 3.5781e-08  
a 2.614903055660543 8.0565e-09 AU
q 2.138560404468616 9.3406e-08 AU
i 11.59052079582627 3.4378e-06 deg
node 47.73646303814752 2.2249e-05 deg
peri 255.4498284099034 2.397e-05 deg
M 57.56525388649533 1.1582e-05 deg
tp 2456753.532537600441
(2014-Apr-06.03253760)
4.9228e-05 JED
period 1544.478317409089
4.23
7.1378e-06
1.954e-08
d
yr
n .2330884130532252 1.0772e-09 deg/d
Q 3.091245706852471 9.5241e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      54147 days (148.25 yr)  
   first obs. used      1866-09-19  
   last obs. used      2014-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57713  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-07 23:42:47  

Additional Information
 Earth MOID = 1.15957 AU 
 T_jup = 3.356 
[ 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 8.11 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
magnitude slope G 0.14   n/a PDS3 (MPC 17257) Fit
diameter diameter 122.17 km 2.3 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
rotation period rot_per 15.797 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Schroll, A.; Schober, H.J. (1983) Astron. Astrophys. Suppl. Ser. 53, 77-79.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0675   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
B-V BV .740 mag .008 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=10.92, mean=15.54, max.=21.63) deg.
U-B UB .390 mag .028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=10.92, mean=15.54, max.=21.63) 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 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)

70 Panopaea          Discovered 1861-May-05 by Goldschmidt, H. at Paris
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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