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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 76 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1592250784562697 4.0484e-08  
a 3.168027580186653 1.6192e-08 AU
q 2.663598140179807 1.2654e-07 AU
i 11.52094194961361 5.7141e-06 deg
node 84.2506448123308 2.4177e-05 deg
peri 71.19356984820034 2.9469e-05 deg
M 93.01377781792368 1.6702e-05 deg
tp 2456468.359098870092
(2013-Jun-24.85909887)
9.4625e-05 JED
period 2059.59513634389
5.64
1.579e-05
4.323e-08
d
yr
n .1747916343592933 1.3401e-09 deg/d
Q 3.672457020193499 1.877e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      41463 days (113.52 yr)  
   first obs. used      1901-02-15  
   last obs. used      2014-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58278  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:35:25  

Additional Information
 Earth MOID = 1.70251 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. 2014-Mar-01) 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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