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492 Gismonda (A902 RF)
Classification: Main-belt Asteroid          SPK-ID: 2000492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789401560765324 1.783e-08  
a 3.112751034912316 1.1302e-08 au
q 2.555754878897718 5.8899e-08 au
i 1.618478014559065 1.2144e-06 deg
node 46.18520971033643 5.026e-05 deg
peri 296.7371898620538 5.02e-05 deg
M 229.6118747684841 8.7313e-06 deg
tp 2460123.024971860772
(2023-Jun-27.52497186)
5.109e-05 TDB
period 2005.926455384446
5.49
1.0925e-05
2.991e-08
d
yr
n .1794681948750729 9.7747e-10 deg/d
Q 3.669747190926913 1.3325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4046  
   data-arc span      43394 days (118.81 yr)  
   first obs. used      1902-09-04  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:08:36  

Additional Information
 Earth MOID = 1.54761 au 
 Jupiter MOID = 1.7393 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456854.5 (2014-Jul-16.0) TDB
Reference: JPL 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1732527696362884 1.7674e-08  
q 2.583378933841517 5.8206e-08 au
tp 2456099.724131589760
(2012-Jun-21.22413159)
4.2285e-05 TDB
node 46.42621830711128 5.0213e-05 deg
peri 295.9448681152011 5.0157e-05 deg
i 1.617502137072915 1.2094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4046  
   data-arc span      43394 days (118.81 yr)  
   first obs. used      1902-09-04  
   last obs. used      2021-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:08:36  

Additional Information
 Jupiter MOID = 1.7393 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.12382795386663E-16 -1.016398695127581E-15 -1.081447272185889E-13 3.25953438681487E-13 -3.374598540189419E-13 -6.482014947146776E-15
q -1.016398695127581E-15 3.387974782304455E-15 4.33385192633905E-13 -9.950478933821715E-13 1.050328637990012E-12 1.991376904849029E-14
tp -1.081447272185889E-13 4.33385192633905E-13 1.788041346102298E-9 1.636105742568908E-10 9.570587971271817E-11 -1.259851807422814E-11
node 3.25953438681487E-13 -9.950478933821715E-13 1.636105742568908E-10 2.521363154116156E-9 -2.498974623819774E-9 -2.725689603640503E-11
peri -3.374598540189419E-13 1.050328637990012E-12 9.570587971271817E-11 -2.498974623819774E-9 2.515681156404639E-9 2.483040325471283E-11
i -6.482014947146776E-15 1.991376904849029E-14 -1.259851807422814E-11 -2.725689603640503E-11 2.483040325471283E-11 1.462559963565393E-12

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 10.03   n/a E2021B10  
diameter diameter 53.418 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.488 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Koff, R.A. (2002) Minor Planet Bull. 29, 25-26.]
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.069   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

492 Gismonda (A902 RF)          Discovered 1902-Sep-03 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 RF = A913 RB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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