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134642 (1999 UV44)
Classification: Outer Main-belt Asteroid          SPK-ID: 2134642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2635153691760976 3.935e-08  
a 3.981138366326666 3.8125e-08 au
q 2.932047219982969 1.5713e-07 au
i 4.069290321110416 4.2903e-06 deg
node 100.7293710714229 6.5571e-05 deg
peri 299.5917039174865 6.6098e-05 deg
M 240.0132936528199 9.997e-06 deg
tp 2460167.530041750422
(2023-Aug-11.03004175)
9.1204e-05 TDB
period 2901.411544899313
7.94
4.1677e-05
1.141e-07
d
yr
n .1240775375809339 1.7823e-09 deg/d
Q 5.030229512670364 4.8171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7591 days (20.78 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:16  

Additional Information
 Earth MOID = 1.94223 au 
 Jupiter MOID = .446432 au 
 T_jup = 2.990 
[ 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 14.18   n/a E2021B55  
diameter diameter 11.145 km 0.941 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.036   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

134642 (1999 UV44)          Discovered 1999-Oct-30 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 UV44 = 2001 AV38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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