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2977 Chivilikhin (1974 SP)
Classification: Main-belt Asteroid          SPK-ID: 2002977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703266129765683 1.6587e-08  
a 2.785018297416492 1.133e-08 au
q 2.310655563739772 4.8113e-08 au
i 9.592223541513665 3.6933e-07 deg
node 170.4065199877091 3.1401e-06 deg
peri 184.7097533341743 4.7222e-06 deg
M 342.9306149125897 5.8157e-06 deg
tp 2459280.992586238531
(2021-Mar-07.49258624)
2.7608e-05 TDB
period 1697.620089855704
4.65
1.036e-05
2.836e-08
d
yr
n .2120615808868046 1.2941e-09 deg/d
Q 3.259381031093213 1.326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2438  
   data-arc span      16896 days (46.26 yr)  
   first obs. used      1974-09-19  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:31:42  

Additional Information
 Earth MOID = 1.30429 au 
 Jupiter MOID = 2.18626 au 
 T_jup = 3.290 
[ 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 12.58   n/a E2021B10  
diameter diameter 9.050 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.2574 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Washburn, K.; Ditteon, R. (2017) Minor Planet Bull. 44, 184-185.]
geometric albedo albedo 0.179   0.019 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)

2977 Chivilikhin (1974 SP)          Discovered 1974-Sep-19 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1974 SP = 1977 EG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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