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966 Muschi (A921 VD)
Classification: Main-belt Asteroid          SPK-ID: 2000966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310185238842067 4.0469e-08  
a 2.718286507379691 1.0074e-08 au
q 2.362140621688448 1.099e-07 au
i 14.4150665424042 4.4951e-06 deg
node 72.41498063928951 1.601e-05 deg
peri 177.9672206485016 2.2906e-05 deg
M 163.9752098864792 1.8627e-05 deg
tp 2458254.881000897199
(2018-May-16.38100090)
8.316e-05 TDB
period 1636.972075613373
4.48
9.1e-06
2.491e-08
d
yr
n .2199182291274628 1.2225e-09 deg/d
Q 3.074432393070934 1.1394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2613  
   data-arc span      35385 days (96.88 yr)  
   first obs. used      1923-03-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:42:05  

Additional Information
 Earth MOID = 1.34798 au 
 Jupiter MOID = 1.96778 au 
 T_jup = 3.302 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456297.5 (2013-Jan-05.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310017604528187 4.0293e-08  
q 2.361602990248445 1.0941e-07 au
tp 2456621.017488767985
(2013-Nov-24.51748877)
8.0853e-05 TDB
node 72.45037827944647 1.6025e-05 deg
peri 178.579576466368 2.2986e-05 deg
i 14.40985564741533 4.4934e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2613  
   data-arc span      35385 days (96.88 yr)  
   first obs. used      1923-03-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:42:05  

Additional Information
 Jupiter MOID = 1.96778 au 
 T_jup = 3.302 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.623538232622975E-15 -4.394322650594528E-15 -2.414231674228616E-13 7.986718106228607E-16 -6.589209413166913E-14 2.514408170588775E-15
q -4.394322650594528E-15 1.197041970577337E-14 8.166208352752531E-13 -1.366132154377394E-15 2.057661312222988E-13 -6.278373138012919E-15
tp -2.414231674228616E-13 8.166208352752531E-13 6.537235457408107E-9 -1.598939082910013E-11 1.35048721143532E-9 3.734827919573646E-13
node 7.986718106228607E-16 -1.366132154377394E-15 -1.598939082910013E-11 2.567987225269232E-10 -2.512786613305684E-10 -8.500821397652585E-12
peri -6.589209413166913E-14 2.057661312222988E-13 1.35048721143532E-9 -2.512786613305684E-10 5.283377051614798E-10 8.315333225713907E-12
i 2.514408170588775E-15 -6.278373138012919E-15 3.734827919573646E-13 -8.500821397652585E-12 8.315333225713907E-12 2.019059766635653E-11

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 9.9   n/a MPO502162 IRAS observations used: 5
diameter diameter 25.509 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.355 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2004) Minor Planet Bull. 31, 60-61.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Klinglesmith III, D.A.; Hanowell, J.; Risely, E.; Turk, J.; et al. (2013) Minor Planet Bull. 40, 190-193.]
geometric albedo albedo 0.323   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.867   0.012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=9.41, mean=12.90, max.=15.99) deg.
U-B UB 0.441   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.41, mean=13.79, max.=15.99) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

966 Muschi (A921 VD)          Discovered 1921-Nov-09 by Baade, W. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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