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80521 (2000 AP61)
Classification: Main-belt Asteroid          SPK-ID: 2080521
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262029850876533 3.7004e-08  
a 2.273842184662452 6.6794e-09 au
q 1.98687651333982 8.6176e-08 au
i 2.794595307677344 4.2102e-06 deg
node 38.88075968405933 6.8916e-05 deg
peri 11.58207805147397 7.0719e-05 deg
M 40.25628817802033 1.4929e-05 deg
tp 2458860.454185594274
(2020-Jan-11.95418559)
5.1923e-05 TDB
period 1252.388023533391
3.43
5.5183e-06
1.511e-08
d
yr
n .2874508484872954 1.2666e-09 deg/d
Q 2.560807855985085 7.5223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      15330 days (41.97 yr)  
   first obs. used      1978-11-01  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:11  

Additional Information
 Earth MOID = .997371 au 
 Jupiter MOID = 2.76871 au 
 T_jup = 3.598 
[ 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 15.2   n/a MPO502640  
diameter diameter 2.058 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.457   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80521 (2000 AP61)          Discovered 2000-Jan-04 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 2000 AP61 = 1978 VF15 = 1997 EG54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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