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JPL Small-Body Database Browser
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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .258655261727444 5.6472e-08  
a 2.365249678359089 7.9909e-09 au
q 1.753465403752366 1.3552e-07 au
i 23.90562350007006 6.8602e-06 deg
node 1.250458863191681 1.3722e-05 deg
peri 131.5963239320153 1.829e-05 deg
M 208.3400716576712 1.174e-05 deg
tp 2459560.234737963786
(2021-Dec-11.73473796)
4.4474e-05 TDB
period 1328.660166660006
3.64
6.7332e-06
1.843e-08
d
yr
n .270949644637101 1.3731e-09 deg/d
Q 2.977033952965812 1.0058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   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      .39899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:53:51  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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