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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761724537625715 3.0718e-08  
a 2.346694411809567 8.3201e-09 au
q 1.933271499050161 7.0591e-08 au
i 12.30852902232444 3.3231e-06 deg
node 95.25200776557045 2.0669e-05 deg
peri 169.191757695898 2.4778e-05 deg
M 104.6529749262007 1.5667e-05 deg
tp 2458818.791076251597
(2019-Dec-01.29107625)
5.6199e-05 TDB
period 1313.055960868074
3.59
6.9831e-06
1.912e-08
d
yr
n .2741695790040818 1.4581e-09 deg/d
Q 2.760117324568973 9.7859e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      8268 days (22.64 yr)  
   first obs. used      1998-06-24  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:39  

Additional Information
 Earth MOID = .916814 au 
 Jupiter MOID = 2.33657 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 14.63   n/a E2021B10  
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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