Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
554 Peraga (A905 AE)
Classification: Main-belt Asteroid          SPK-ID: 2000554
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518934358144717 1.7212e-08  
a 2.375497327841592 3.6513e-09 au
q 2.014674876947637 4.0283e-08 au
i 2.935283619859379 8.4986e-07 deg
node 295.3938068758993 1.5594e-05 deg
peri 127.5401538848595 1.5092e-05 deg
M 286.3260595400374 7.737e-06 deg
tp 2459474.179107069666
(2021-Sep-16.67910707)
2.9077e-05 TDB
period 1337.304315881161
3.66
3.0833e-06
8.442e-09
d
yr
n .2691982637944251 6.2067e-10 deg/d
Q 2.736319778735548 4.2059e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3182  
   data-arc span      45402 days (124.30 yr)  
   first obs. used      1896-09-07  
   last obs. used      2020-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46723  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:34:36  

Additional Information
 Earth MOID = 1.02886 au 
 Jupiter MOID = 2.56243 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.12   n/a E2021B10  
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

Alternate Designations
 A905 AE = A896 RB = A900 UC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-08 20:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin