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46821 (1998 MV31)
Classification: Main-belt Asteroid          SPK-ID: 2046821
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762874844715598 3.9613e-08  
a 2.347102321174285 1.0319e-08 au
q 1.933337557177111 9.4614e-08 au
i 12.30859700457404 4.4548e-06 deg
node 95.25278494304449 2.108e-05 deg
peri 169.2376591096663 2.5214e-05 deg
M 49.76649357959176 1.6779e-05 deg
tp 2458818.935472808561
(2019-Dec-01.43547281)
6.054e-05 TDB
period 1313.398334652258
3.60
8.6616e-06
2.371e-08
d
yr
n .2740981090822803 1.8076e-09 deg/d
Q 2.760867085171459 1.2138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      8073 days (22.10 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:24:14  

Additional Information
 Earth MOID = .918636 au 
 Jupiter MOID = 2.33687 au 
 T_jup = 3.509 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO337632  
diameter diameter 3.865 km 0.874 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.132   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

46821 (1998 MV31)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MV31 = 1999 YG23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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