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554 Peraga (1905 PS)
Classification: Main-belt Asteroid          SPK-ID: 2000554
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 81 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529125052979353 2.8739e-08  
a 2.374604253500363 5.537e-09 AU
q 2.011497568006489 6.8237e-08 AU
i 2.936127594656691 3.8934e-06 deg
node 295.4626313506744 6.9774e-05 deg
peri 127.5473718178638 7.0754e-05 deg
M .03718673859569873 1.3214e-05 deg
tp 2456800.361939043114
(2014-May-22.86193904)
4.9059e-05 JED
period 1336.550242261263
3.66
4.6748e-06
1.28e-08
d
yr
n .269350143838161 9.4209e-10 deg/d
Q 2.737710938994237 6.3837e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1456  
   data-arc span      41384 days (113.30 yr)  
   first obs. used      1900-10-01  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56836  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:12:23  

Additional Information
 Earth MOID = 1.0253 AU 
 T_jup = 3.525 
[ 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 9.0 mag n/a MPO267708  
diameter diameter 95.87 km 4.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 37
rotation period rot_per 13.7128 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Scaltriti, F.; Zappala, V. (1979) Icarus 39, 124-130.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Higgins, D.; Warner, B.D.; Dymock, R.; Crow, M. (2007) Minor Planet Bul. 34, 30.]
[Stephens, R.D. (2007) Minor Planet Bul. 34, 31-32.]
geometric albedo albedo 0.0496   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 37
B-V BV .676 mag .052 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=3.99, mean=10.80, max.=23.68) deg.
U-B UB .342 mag .039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=3.99, mean=10.80, max.=23.68) deg.
Tholen spectral type spec_T FC   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)

554 Peraga (1905 PS)          Discovered 1905-Jan-08 by Gotz, P. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1905 PS = A896 RB = A900 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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