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4692 SIMBAD (1983 VM7)
Classification: Main-belt Asteroid          SPK-ID: 2004692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1474364852210026 1.098e-08  
a 2.256395033940758 5.3371e-09 au
q 1.923720080866408 2.6739e-08 au
i 3.700038804456732 3.0491e-07 deg
node 65.46053210548449 1.3992e-05 deg
peri 322.7971944036813 1.6342e-05 deg
M 46.80321083485303 6.189e-06 deg
tp 2459235.548778545118
(2021-Jan-21.04877855)
2.1182e-05 TDB
period 1238.001382601928
3.39
4.3924e-06
1.203e-08
d
yr
n .2907912745972722 1.0317e-09 deg/d
Q 2.589069987015109 6.1239e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3066  
   data-arc span      17244 days (47.21 yr)  
   first obs. used      1973-12-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:29:52  

Additional Information
 Earth MOID = .929541 au 
 Jupiter MOID = 2.84769 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457295.5 (2015-Sep-30.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482927126584904 1.0992e-08  
q 1.92180790522252 2.6783e-08 au
tp 2456760.010621478719
(2014-Apr-12.51062148)
2.1423e-05 TDB
node 65.49063910479583 1.398e-05 deg
peri 322.8749031220171 1.6308e-05 deg
i 3.702155764706049 3.0443e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3066  
   data-arc span      17244 days (47.21 yr)  
   first obs. used      1973-12-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:29:52  

Additional Information
 Jupiter MOID = 2.84769 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.20823609325164E-16 -2.906314001758674E-16 7.86803312950134E-14 2.699378972160942E-14 -1.688956256736219E-14 2.544319474191666E-16
q -2.906314001758674E-16 7.17323132839751E-16 -2.023678417280935E-13 -5.929984835703528E-14 3.283118519729012E-14 -5.011782334800989E-16
tp 7.86803312950134E-14 -2.023678417280935E-13 4.589553909787846E-10 -6.558789428877547E-11 1.835314183755357E-10 -1.811233711426132E-12
node 2.699378972160942E-14 -5.929984835703528E-14 -6.558789428877547E-11 1.954467307098015E-10 -2.148409808800812E-10 3.371488472223655E-12
peri -1.688956256736219E-14 3.283118519729012E-14 1.835314183755357E-10 -2.148409808800812E-10 2.659583819640303E-10 -3.897828875940102E-12
i 2.544319474191666E-16 -5.011782334800989E-16 -1.811233711426132E-12 3.371488472223655E-12 -3.897828875940102E-12 9.267906751578361E-14

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.51   n/a E2021B10  
diameter diameter 4.862 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.736 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.J.; Pravec, P.; Koehn, B.W. (2019) Minor Plantet Bull. 46, 238-265.]
geometric albedo albedo 0.358   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4692 SIMBAD (1983 VM7)          Discovered 1983-Nov-04 by Skiff, B. A. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 VM7 = 1973 YP1 = 1981 AX2 = 1981 BZ = 1988 BT1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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