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30520 (2001 MM11)
Classification: Main-belt Asteroid          SPK-ID: 2030520
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 .09455266550259799 3.207e-08  
a 2.323016121398322 6.9599e-09 au
q 2.103368755114603 7.4619e-08 au
i 6.426355309731929 3.4392e-06 deg
node 277.1965189249019 4.3534e-05 deg
peri 141.2140887726602 5.2125e-05 deg
M 70.78710910295972 2.8593e-05 deg
tp 2458946.210493989039
(2020-Apr-06.71049399)
0.0001025 TDB
period 1293.232953344585
3.54
5.8119e-06
1.591e-08
d
yr
n .2783721208688356 1.251e-09 deg/d
Q 2.542663487682039 7.618e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      11709 days (32.06 yr)  
   first obs. used      1989-03-02  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:29:52  

Additional Information
 Earth MOID = 1.1198 au 
 Jupiter MOID = 2.71232 au 
 T_jup = 3.562 
[ 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 14.96   n/a MPCxxxxx  
diameter diameter 2.129 km 0.343 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.514   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30520 (2001 MM11)          Discovered 2001-Jun-19 by JPL/GEODSS NEAT at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 MM11 = 1989 EJ4 = 1995 YK13 = 2000 JS88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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