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1192 Prisma (1931 FE)
Classification: Main-belt Asteroid          SPK-ID: 2001192
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .258655261663622 5.6381e-08  
a 2.365249678369866 7.9834e-09 au
q 1.75346540391131 1.3532e-07 au
i 23.90562352304218 6.8326e-06 deg
node 1.25045883544772 1.3701e-05 deg
peri 131.5963239484749 1.8274e-05 deg
M 208.3400716646663 1.1722e-05 deg
tp 2459560.234737941795
(2021-Dec-11.73473794)
4.4402e-05 TDB
period 1328.660166669086
3.64
6.7269e-06
1.842e-08
d
yr
n .2709496446352492 1.3718e-09 deg/d
Q 2.977033952828421 1.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1657  
   data-arc span      32271 days (88.35 yr)  
   first obs. used      1931-03-19  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:48:08  

Additional Information
 Earth MOID = .825377 au 
 Jupiter MOID = 2.17404 au 
 T_jup = 3.391 
[ 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 12.5   n/a MPO492764  
diameter diameter 7.377 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.558 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P.; Mulholland, J.D. (1983) Icarus 56, 519-533.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.220   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1192 Prisma (1931 FE)          Discovered 1931-Mar-17 by Schwassmann, A. at Bergedorf
and A. Wachmann.
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
1940-Dec-18 01:11 < 00:01 Thisb 0.00732335469946507 0.0073223615401461 0.00732434827919044 10.7096813494502 10.7096812625165 2429981.549046356 0.251291578142144 187.34571428616 43.337119126052 82.4383346338062 25067.2815580653 T 26 CATAB v2.0f-lin.ifort 2020-Feb-22 15:48:17 2020-Feb-22 15:48
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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