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553 Kundry (A904 YA)
Classification: Main-belt Asteroid          SPK-ID: 2000553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093208214635997 3.0251e-08  
a 2.231661398511861 5.6079e-09 au
q 1.987694341197939 6.9387e-08 au
i 5.386848840416536 3.1215e-06 deg
node 72.3631745210062 3.9521e-05 deg
peri 354.6174498740422 4.3445e-05 deg
M 244.9752706450996 1.8819e-05 deg
tp 2459389.571660337302
(2021-Jun-24.07166034)
6.4025e-05 TDB
period 1217.701606489036
3.33
4.5899e-06
1.257e-08
d
yr
n .2956389299986043 1.1144e-09 deg/d
Q 2.475628455825783 6.2209e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2863  
   data-arc span      42312 days (115.84 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:22  

Additional Information
 Earth MOID = 1.00165 au 
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456985.5 (2014-Nov-24.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096695071446388 3.0338e-08  
q 1.986084749560412 6.9601e-08 au
tp 2456955.168270257769
(2014-Oct-24.66827026)
6.1792e-05 TDB
node 72.41410220125451 3.9487e-05 deg
peri 354.6254281167092 4.3372e-05 deg
i 5.389989503328917 3.1233e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2863  
   data-arc span      42312 days (115.84 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:28:22  

Additional Information
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.203925168797854E-16 -2.106870224712992E-15 -3.888818969631599E-13 5.31130242064236E-15 -1.072021226437843E-13 -1.165692332372336E-16
q -2.106870224712992E-15 4.844248295388598E-15 9.032255141019464E-13 -1.229565331687205E-14 2.489388452551603E-13 3.329615561907086E-16
tp -3.888818969631599E-13 9.032255141019464E-13 3.818271721162162E-9 -1.371502187169397E-11 1.122962972152005E-9 1.360813099640754E-12
node 5.31130242064236E-15 -1.229565331687205E-14 -1.371502187169397E-11 1.559224435860422E-9 -1.555906434310093E-9 -9.878847323453247E-12
peri -1.072021226437843E-13 2.489388452551603E-13 1.122962972152005E-9 -1.555906434310093E-9 1.881143619011986E-9 1.02356001174787E-11
i -1.165692332372336E-16 3.329615561907086E-16 1.360813099640754E-12 -9.878847323453247E-12 1.02356001174787E-11 9.755017847726475E-12

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 12.2   n/a MPO384749  
diameter diameter 9.010 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.605 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.287   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

553 Kundry (A904 YA)          Discovered 1904-Dec-27 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2036-Aug-15 00:14 < 00:01 Thisb 0.0458950427110498 0.0458934361827081 0.0458966492783318 4.50994520211406 4.50994516917299 2464920.509390845 0.690954372830915 106.474280952052 25.084484814685 -42.6969281404325 191473.970672875 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:28:30 2020-Nov-13 04:28

Alternate Designations
 A904 YA = 1932 CL = 1957 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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