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3712 Kraft (1984 YC)
Classification: Main-belt Asteroid          SPK-ID: 2003712
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2553060787647388 2.5544e-08  
a 2.736085774001287 9.7986e-09 au
q 2.037546443877033 7.0122e-08 au
i 31.70113076856247 4.8459e-07 deg
node 287.8904232248871 1.6203e-06 deg
peri 200.6536992031121 3.0917e-06 deg
M 335.3796747756171 5.187e-06 deg
tp 2459313.553568075135
(2021-Apr-09.05356807)
2.3966e-05 TDB
period 1653.076640382542
4.53
8.8801e-06
2.431e-08
d
yr
n .2177757468744411 1.1699e-09 deg/d
Q 3.434625104125541 1.23e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2150  
   data-arc span      13241 days (36.25 yr)  
   first obs. used      1984-12-22  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .34922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:09:37  

Additional Information
 Earth MOID = 1.06878 au 
 Jupiter MOID = 1.7668 au 
 T_jup = 3.095 
[ show covariance matrix ]

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 11.78   n/a MPCxxxxx  
diameter diameter 11.159 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.341 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Kornos, L.; Gajdos, S.; Vilagi, J.; Toth, J. (2004) Contr. Astron. Obs. Skalnate Pleso 34, 157-168]
[Koff, R.A. (2004) Minor Planet Bull. 31, 58-60.]
geometric albedo albedo 0.325   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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)

3712 Kraft (1984 YC)          Discovered 1984-Dec-22 by Klemola, A. R. at Lick Observatory
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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