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554 Peraga (A905 AE)
Classification: Main-belt Asteroid          SPK-ID: 2000554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521944445682469 2.727e-08  
a 2.376489826938629 4.4425e-09 au
q 2.014801277705615 6.5249e-08 au
i 2.93560578744068 3.3346e-06 deg
node 295.3965503382154 5.9012e-05 deg
peri 127.345302107053 6.0117e-05 deg
M 232.7505897816154 1.2551e-05 deg
tp 2459473.494012922388
(2021-Sep-15.99401292)
4.7243e-05 TDB
period 1338.142505806746
3.66
3.7522e-06
1.027e-08
d
yr
n .2690296425364364 7.5436e-10 deg/d
Q 2.738178376171642 5.1186e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3068  
   data-arc span      45360 days (124.19 yr)  
   first obs. used      1896-09-07  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:26  

Additional Information
 Earth MOID = 1.0296 au 
 Jupiter MOID = 2.56139 au 
 T_jup = 3.524 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.1   n/a MPO492755  
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 LCDB (Rev. 2020-October); Warner et al., 2009 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 Bull. 34, 30.]
[Stephens, R.D. (2007) Minor Planet Bull. 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 0.676   0.052 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=3.99, mean=10.80, max.=23.68) deg.
U-B UB 0.342   0.039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A905 AE)          Discovered 1905-Jan-08 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2078-Jul-01 22:31 00:02 Hygie 0.0202380179248716 0.0202375224695518 0.0202385133878555 2.46819886520766 2.46819809171825 2480216.438385201 2.2206218236447 41.708463828096 20.026855965956 -67.0288901784702 141373.539046668 T 113 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:34 2020-Dec-18 01:54

Alternate Designations
 A905 AE = A896 RB = A900 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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