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JPL Small-Body Database Browser
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4917 Yurilvovia (1973 SC6)
Classification: Main-belt Asteroid          SPK-ID: 2004917
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088758517089595 3.3654e-08  
a 2.742250646750904 9.7743e-09 au
q 2.443685771986454 9.207e-08 au
i 3.712076683678466 3.7376e-06 deg
node 180.6736332691249 5.0087e-05 deg
peri 198.071505742029 5.2517e-05 deg
M 86.3985300265912 1.5653e-05 deg
tp 2458602.426744095606
(2019-Apr-28.92674410)
7.1898e-05 TDB
period 1658.666786130227
4.54
8.868e-06
2.428e-08
d
yr
n .2170417850109017 1.1604e-09 deg/d
Q 3.040815521515354 1.0838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2602  
   data-arc span      23508 days (64.36 yr)  
   first obs. used      1955-09-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44883  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:25:17  

Additional Information
 Earth MOID = 1.44583 au 
 Jupiter MOID = 2.41645 au 
 T_jup = 3.338 
[ 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 12.9   n/a MPO502200  
diameter diameter 8.410 km 2.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.17744 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.142   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B Ld   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)

4917 Yurilvovia (1973 SC6)          Discovered 1973-Sep-28 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1973 SC6 = 1955 SM2 = 1955 UH = 1964 TO1 = 1982 RD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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