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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1476020434486252 2.6856e-08  
a 2.257009765102603 5.9712e-09 au
q 1.923870511689957 6.1103e-08 au
i 3.700263167017321 2.9767e-06 deg
node 65.47109722665867 4.9452e-05 deg
peri 322.6531857075526 5.0629e-05 deg
M 291.780618502219 1.0901e-05 deg
tp 2459235.195012680541
(2021-Jan-20.69501268)
3.7631e-05 TDB
period 1238.507337797294
3.39
4.915e-06
1.346e-08
d
yr
n .2906724805040445 1.1535e-09 deg/d
Q 2.590149018515249 6.8526e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2562  
   data-arc span      17026 days (46.61 yr)  
   first obs. used      1973-12-20  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:18:47  

Additional Information
 Earth MOID = .930373 au 
 Jupiter MOID = 2.84504 au 
 T_jup = 3.605 
[ 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 13.5   n/a MPO384796  
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. 2019-August); 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

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