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
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 105 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585210357365844 3.7197e-08  
a 3.169597607308906 1.2894e-08 au
q 2.667149711730099 1.1489e-07 au
i 11.51875983397105 4.8856e-06 deg
node 84.22160268522887 2.1256e-05 deg
peri 71.84196676624998 2.6392e-05 deg
M 81.85116398447261 1.4978e-05 deg
tp 2458531.873351229712
(2019-Feb-17.37335123)
8.5732e-05 TDB
period 2061.126382873525
5.64
1.2577e-05
3.443e-08
d
yr
n .1746617786232521 1.0658e-09 deg/d
Q 3.672045502887714 1.4938e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2558  
   data-arc span      43639 days (119.48 yr)  
   first obs. used      1901-02-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:16:57  

Additional Information
 Earth MOID = 1.70553 au 
 Jupiter MOID = 1.51866 au 
 T_jup = 3.152 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455377.5 (2010-Jun-30.0) TDB
Reference: JPL 105 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664168947197635 3.7923e-08  
q 2.637692664440933 1.1942e-07 au
tp 2454401.543495182947
(2007-Oct-28.04349518)
7.9637e-05 TDB
node 84.8800222651154 2.1448e-05 deg
peri 69.64334629635063 2.5719e-05 deg
i 11.47806462738038 4.8696e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2558  
   data-arc span      43639 days (119.48 yr)  
   first obs. used      1901-02-13  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:16:57  

Additional Information
 Jupiter MOID = 1.51866 au 
 T_jup = 3.152 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.438157175188116E-15 -4.512240051093806E-15 -2.803545402829408E-13 -3.876523157213609E-15 -1.832206567465965E-14 -4.007144367906272E-15
q -4.512240051093806E-15 1.426116073928972E-14 7.971900665530129E-13 1.94395802974837E-14 4.957757550701275E-14 1.376403527210428E-14
tp -2.803545402829408E-13 7.971900665530129E-13 6.342057490817486E-9 5.637777346708832E-12 1.151806486727652E-9 1.47490066621046E-11
node -3.876523157213609E-15 1.94395802974837E-14 5.637777346708832E-12 4.599955334333995E-10 -4.481940108451446E-10 -5.180264607305528E-12
peri -1.832206567465965E-14 4.957757550701275E-14 1.151806486727652E-9 -4.481940108451446E-10 6.614494902972294E-10 6.29860729975485E-12
i -4.007144367906272E-15 1.376403527210428E-14 1.47490066621046E-11 -5.180264607305528E-12 6.29860729975485E-12 2.371290701780452E-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 8.0   n/a MPO492754 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. 2019-August); 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 2020-Oct-30 06:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin