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488 Kreusa (A902 MC)
Classification: Main-belt Asteroid          SPK-ID: 2000488
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585210371334541 3.6639e-08  
a 3.169597607044698 1.2802e-08 au
q 2.667149707080258 1.1283e-07 au
i 11.51875976488002 4.8801e-06 deg
node 84.22160363015311 2.0761e-05 deg
peri 71.84196625445801 2.5914e-05 deg
M 81.85116382906733 1.4957e-05 deg
tp 2458531.873352178057
(2019-Feb-17.37335218)		 8.5595e-05 TDB
period 2061.126382615811
5.64		 1.2487e-05
3.419e-08		 d
yr
n .1746617786450911 1.0582e-09 deg/d
Q 3.672045507009138 1.4831e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      43711 days (119.67 yr)  
   first obs. used      1901-02-13  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:03  

Additional Information
 Earth MOID = 1.70553 au 
 Jupiter MOID = 1.51866 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455516.5 (2010-Nov-16.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1650511572326806 3.728e-08  
q 2.645090437477031 1.1716e-07 au
tp 2456459.736679727701
(2013-Jun-16.23667973)		 8.0389e-05 TDB
node 84.76538604094284 2.0951e-05 deg
peri 69.81119070453957 2.5344e-05 deg
i 11.47085260690975 4.8628e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2698  
   data-arc span      43711 days (119.67 yr)  
   first obs. used      1901-02-13  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:03  

Additional Information
 Jupiter MOID = 1.51866 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.389818682108254E-15 -4.351227968310653E-15 -2.902745832999601E-13 -5.54076358016624E-15 -3.278145860123538E-14 -2.950297915367816E-15
q -4.351227968310653E-15 1.372664794877798E-14 9.975716479828416E-13 2.6115815788303E-14 1.045562106988965E-13 7.392171754247304E-15
tp -2.902745832999601E-13 9.975716479828416E-13 6.46235282287285E-9 1.662517430837944E-11 1.162618035576094E-9 1.25746302032554E-11
node -5.54076358016624E-15 2.6115815788303E-14 1.662517430837944E-11 4.389409297724858E-10 -4.275292314491872E-10 -4.323316652135583E-12
peri -3.278145860123538E-14 1.045562106988965E-13 1.162618035576094E-9 -4.275292314491872E-10 6.42328193209247E-10 5.174301840715132E-12
i -2.950297915367816E-15 7.392171754247304E-15 1.25746302032554E-11 -4.323316652135583E-12 5.174301840715132E-12 2.364657183180246E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.97   n/a E2021B10 IRAS observations used: 20
diameter diameter 168.117 km 2.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 32.645 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2014) Minor Planet Bull. 41, 226-230.]
[Pilcher, F. (2019) Minor Planet Bull. 46, 360-363.]
geometric albedo albedo 0.047   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.691   0.006 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.94, mean=12.60, max.=17.25) deg.
U-B UB 0.368   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A902 MC)          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
 A902 MC = 1947 KH = 1977 YD = A901 CA = A905 XA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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