Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575037262685872 1.9096e-08  
a 3.179285846092761 1.1452e-08 au
q 2.678536478460173 5.7561e-08 au
i 11.47658011673613 4.8167e-07 deg
node 84.08012901205767 2.4769e-06 deg
peri 73.1614410480842 6.6111e-06 deg
M 149.5357829877879 8.0897e-06 deg
tp 2458536.426790305587
(2019-Feb-21.92679031)
4.3845e-05 TDB
period 2070.58370447209
5.67
1.1188e-05
3.063e-08
d
yr
n .1738640168095907 9.3944e-10 deg/d
Q 3.680035213725349 1.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2898  
   data-arc span      44007 days (120.48 yr)  
   first obs. used      1901-02-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:40:36  

Additional Information
 Earth MOID = 1.71753 au 
 Jupiter MOID = 1.50894 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455973.5 (2012-Feb-16.0) TDB
Reference: JPL 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606438714783042 1.9232e-08  
q 2.664226955960752 5.7917e-08 au
tp 2456464.843571804924
(2013-Jun-21.34357180)
3.876e-05 TDB
node 84.2712600147442 2.4738e-06 deg
peri 70.39762221411537 6.595e-06 deg
i 11.50814454377193 4.8351e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2898  
   data-arc span      44007 days (120.48 yr)  
   first obs. used      1901-02-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:40:36  

Additional Information
 Jupiter MOID = 1.50894 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.698598428835699E-16 -1.099396548319444E-15 3.539388649060248E-13 9.597219687720132E-15 2.280020598522604E-14 1.451566330397212E-15
q -1.099396548319444E-15 3.354391534537012E-15 -9.62140810071047E-13 -3.143190087183048E-14 -4.779433448851912E-14 -4.857493486138637E-15
tp 3.539388649060248E-13 -9.62140810071047E-13 1.502335669631541E-9 -2.698938337322537E-11 2.326532019336314E-10 -4.996815668093308E-12
node 9.597219687720132E-15 -3.143190087183048E-14 -2.698938337322537E-11 6.119643740388052E-12 -9.91384397035092E-12 1.064046096346385E-12
peri 2.280020598522604E-14 -4.779433448851912E-14 2.326532019336314E-10 -9.91384397035092E-12 4.349386182674916E-11 -1.749794442694619E-12
i 1.451566330397212E-15 -4.857493486138637E-15 -4.996815668093308E-12 1.064046096346385E-12 -1.749794442694619E-12 2.337849076003059E-13

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 7.96   n/a MPO636067 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-23 13:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin