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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2589237825282876 1.7271e-08  
a 2.364782045278598 6.4738e-09 au
q 1.752483733260083 4.1183e-08 au
i 23.91048257111579 6.0502e-07 deg
node 1.247028017692074 2.386e-06 deg
peri 131.6183418362351 3.9437e-06 deg
M 262.5353703267378 5.2419e-06 deg
tp 2459560.108246253213
(2021-Dec-11.60824625)
2.028e-05 TDB
period 1328.26615239961
3.64
5.4544e-06
1.493e-08
d
yr
n .2710300186070643 1.113e-09 deg/d
Q 2.977080357297113 8.15e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2304  
   data-arc span      32838 days (89.91 yr)  
   first obs. used      1931-03-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:07:15  

Additional Information
 Earth MOID = .824176 au 
 Jupiter MOID = 2.17322 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 12.66   n/a E2021B10  
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. 2020-October); 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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