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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .109019503922885 2.2758e-08  
a 2.742091311198729 9.2688e-09 au
q 2.44314987674059 6.1326e-08 au
i 3.712496669700468 7.4855e-07 deg
node 180.6670352239775 1.1527e-05 deg
peri 198.066582675467 1.5737e-05 deg
M 129.8057005428104 7.2193e-06 deg
tp 2458602.484335100581
(2019-Apr-28.98433510)
3.2156e-05 TDB
period 1658.52222563052
4.54
8.4092e-06
2.302e-08
d
yr
n .2170607028574121 1.1006e-09 deg/d
Q 3.041032745656867 1.0279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2927  
   data-arc span      23915 days (65.48 yr)  
   first obs. used      1955-09-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:56:26  

Additional Information
 Earth MOID = 1.4439 au 
 Jupiter MOID = 2.41743 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 12.93   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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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