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JPL Small-Body Database Browser
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97321 (1999 XO220)
Classification: Main-belt Asteroid          SPK-ID: 2097321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .144769416928571 6.8317e-08  
a 2.60534204891621 1.6141e-08 au
q 2.228168199595122 1.7664e-07 au
i 14.00553990093744 6.3604e-06 deg
node 85.01248746796074 2.1847e-05 deg
peri 344.0692748408426 2.7689e-05 deg
M 203.1521901233633 1.5869e-05 deg
tp 2459269.724001204028
(2021-Feb-24.22400120)
6.8378e-05 TDB
period 1536.01532991081
4.21
1.4274e-05
3.908e-08
d
yr
n .2343726608645915 2.178e-09 deg/d
Q 2.982515898237299 1.8477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      6876 days (18.83 yr)  
   first obs. used      1999-09-14  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53626  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 03:44:03  

Additional Information
 Earth MOID = 1.2458 au 
 Jupiter MOID = 2.30086 au 
 T_jup = 3.356 
[ 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 14.4   n/a MPO439676  
diameter diameter 3.707 km 0.496 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.354   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97321 (1999 XO220)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

Alternate Designations
 1999 XO220 = 2001 CE43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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