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80312 (1999 XO76)
Classification: Main-belt Asteroid          SPK-ID: 2080312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041344777395421 4.2286e-08  
a 2.258922091661948 9.3434e-09 au
q 2.023690419392417 9.8389e-08 au
i 3.79393961672896 3.9889e-06 deg
node 258.6552834052659 7.0118e-05 deg
peri 234.6407722787699 7.3686e-05 deg
M 330.0998731775272 2.4778e-05 deg
tp 2459103.496113128895
(2020-Sep-10.99611313)
8.566e-05 TDB
period 1240.081720942208
3.40
7.6939e-06
2.106e-08
d
yr
n .2903034484908572 1.8011e-09 deg/d
Q 2.494153763931479 1.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      8587 days (23.51 yr)  
   first obs. used      1997-04-28  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:20:03  

Additional Information
 Earth MOID = 1.04086 au 
 Jupiter MOID = 2.54403 au 
 T_jup = 3.611 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO502639  
diameter diameter 2.208 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80312 (1999 XO76)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XO76 = 1997 HN5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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