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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1953-Feb-16 16:23 < 00:01 Jupiter 1.96033520281305 1.96033485466607 1.9603355509607 4.04313113572522 3.93481238198971 2434425.182451811 0.921674023639338 146.442594979649 13.7593023513821 -86.6068610230996 3560985.106777 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 15:42:22 2020-Feb-22 15:42
1989-Mar-16 19:24 < 00:01 Jupiter 1.98263969026878 1.98263932923827 1.98264005130007 4.15446935997727 4.05033041649361 2447602.308394422 0.377102904210932 107.828261532166 11.2536543207239 -83.3319431234229 3715632.40814302 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 15:42:22 2020-Feb-22 15:42
2118-Dec-24 01:42 00:02 Jupiter 1.97845950309733 1.97845898126813 1.97846002492698 4.02083755605525 3.91291325875916 2495000.570962761 1.60924492779035 162.471096604351 23.9617386777596 -86.3121749294919 3757629.08756737 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 15:42:22 2020-Feb-22 15:42
2155-Jan-23 14:23 00:02 Jupiter 1.96525244093592 1.96525206950786 1.96525281236722 4.13621798106837 4.03066998101922 2508180.099381098 2.12430521858782 211.228999440804 12.4451621553189 -86.7563484142769 3539440.87435725 T 35 CATAB v2.0f-lin.ifort 2020-Feb-22 15:42:22 2020-Feb-22 15:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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