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488 Kreusa (1902 JG)
Classification: Main-belt Asteroid          SPK-ID: 2000488
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 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591780088675853 4.064e-08  
a 3.167379818064822 1.6194e-08 AU
q 2.663202605297889 1.2707e-07 AU
i 11.52163809439924 5.7188e-06 deg
node 84.24991479079641 2.4267e-05 deg
peri 71.12601397227228 2.9549e-05 deg
M 58.12272321139817 1.666e-05 deg
tp 2456468.076209072886
(2013-Jun-24.57620907)
9.4723e-05 JED
period 2058.963484874922
5.64
1.5791e-05
4.323e-08
d
yr
n .1748452571619401 1.3409e-09 deg/d
Q 3.671557030831756 1.8772e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      41396 days (113.34 yr)  
   first obs. used      1901-02-15  
   last obs. used      2014-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58554  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:55:17  

Additional Information
 Earth MOID = 1.70176 AU 
 T_jup = 3.152 
[ 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 7.81 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
diameter diameter 150.13 km 6.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
rotation period rot_per 19.26 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Robinson, L. (2011) http://btboar.tripod.com/lightcurves/]
geometric albedo albedo 0.0589   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 20
B-V BV .691 mag .006 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=7.94, mean=12.60, max.=17.25) deg.
U-B UB .368 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=7.94, mean=12.60, max.=17.25) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

488 Kreusa (1902 JG)          Discovered 1902-Jun-26 by Wolf, M. and Carnera, L. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1902 JG = 1947 KH = 1977 YD = A901 CA = A905 XA 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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