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134689 (1999 XO61)
Classification: Main-belt Asteroid          SPK-ID: 2134689
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215143100913781 5.5185e-08  
a 2.413362377261763 1.4752e-08 au
q 1.894144111789014 1.2664e-07 au
i 2.216382012598857 4.7222e-06 deg
node 192.5310062335588 9.8537e-05 deg
peri 185.8684722410083 9.9041e-05 deg
M 201.0227963144969 1.4686e-05 deg
tp 2459605.234278909038
(2022-Jan-25.73427891)
6.0465e-05 TDB
period 1369.406024010384
3.75
1.2556e-05
3.438e-08
d
yr
n .2628876999866842 2.4104e-09 deg/d
Q 2.932580642734513 1.7926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      603  
   data-arc span      9478 days (25.95 yr)  
   first obs. used      1994-05-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49021  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:22:19  

Additional Information
 Earth MOID = .896176 au 
 Jupiter MOID = 2.52909 au 
 T_jup = 3.485 
[ 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 16.3   n/a MPO469413  
diameter diameter 1.593 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.230   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134689 (1999 XO61)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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