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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 86 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590608424814472 3.9639e-08  
a 3.169158342500213 1.6002e-08 au
q 2.665069346585022 1.2342e-07 au
i 11.51787474117552 5.5839e-06 deg
node 84.23348167016474 2.3317e-05 deg
peri 71.36553945681622 2.854e-05 deg
M 197.6646261761307 1.6674e-05 deg
tp 2458529.733802210476
(2019-Feb-15.23380221)
9.7796e-05 JED
period 2060.697929945469
5.64
1.5608e-05
4.273e-08
d
yr
n .1746980936742759 1.3232e-09 deg/d
Q 3.673247338415403 1.8548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      42068 days (115.18 yr)  
   first obs. used      1901-02-15  
   last obs. used      2016-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57231  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:28:11  

Additional Information
 Earth MOID = 1.70236 au 
 Jupiter MOID = 1.5227 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 32.666 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D. (2014) Minor Planet Bul. 41, 226-230.]
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
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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