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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2151450976605044 5.4126e-08  
a 2.413597170874051 1.4342e-08 au
q 1.894323571833236 1.2421e-07 au
i 2.216288893668472 4.5213e-06 deg
node 192.5273498416747 9.5807e-05 deg
peri 185.8309379657985 9.6327e-05 deg
M 253.6532619061994 1.506e-05 deg
tp 2459605.091991288880
(2022-Jan-25.59199129)
6.0329e-05 TDB
period 1369.605871084894
3.75
1.2208e-05
3.342e-08
d
yr
n .2628493405295031 2.3429e-09 deg/d
Q 2.932870769914865 1.7428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      9502 days (26.02 yr)  
   first obs. used      1994-05-15  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4889  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:29  

Additional Information
 Earth MOID = .894968 au 
 Jupiter MOID = 2.52999 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 16.39   n/a E2021B55  
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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