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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591595533418505 3.9685e-08  
a 3.168887089501172 1.6011e-08 au
q 2.664528435745408 1.2358e-07 au
i 11.51849650110307 5.6185e-06 deg
node 84.24259600475312 2.3414e-05 deg
peri 71.31595191201714 2.8688e-05 deg
M 162.7781147275292 1.6636e-05 deg
tp 2456468.851502192120
(2013-Jun-25.35150219)
9.3479e-05 JED
period 2060.433368283228
5.64
1.5615e-05
4.275e-08
d
yr
n .1747205250805831 1.3241e-09 deg/d
Q 3.673245743256934 1.8559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1322  
   data-arc span      41917 days (114.76 yr)  
   first obs. used      1901-02-15  
   last obs. used      2015-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57256  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 15:29:19  

Additional Information
 Earth MOID = 1.70296 au 
 Jupiter MOID = 1.52318 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. 2015-December); 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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