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56943 (2000 RF76)
Classification: Main-belt Asteroid          SPK-ID: 2056943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806902651708613 3.3523e-08  
a 3.149240907082359 1.7716e-08 au
q 2.580203732494724 1.0625e-07 au
i 2.10672075227931 4.29e-06 deg
node 136.7846952158707 0.00012293 deg
peri 287.3087353076937 0.0001237 deg
M 113.8480158871486 1.4862e-05 deg
tp 2458354.949505008016
(2018-Aug-24.44950501)
8.1486e-05 TDB
period 2041.301961972511
5.59
1.7225e-05
4.716e-08
d
yr
n .1763580336013256 1.4881e-09 deg/d
Q 3.718278081669994 2.0917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8542 days (23.39 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:13  

Additional Information
 Earth MOID = 1.59461 au 
 Jupiter MOID = 1.60983 au 
 T_jup = 3.182 
[ 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 14.1   n/a MPO299339  
diameter diameter 8.822 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.81 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56943 (2000 RF76)          Discovered 2000-Sep-04 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RF76 = 2001 QR93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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