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385056 (2012 UV44)
Classification: Main-belt Asteroid          SPK-ID: 2385056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09068944770147754 6.3445e-08  
a 2.811067763933816 3.4255e-08 au
q 2.556133580971231 1.9144e-07 au
i 2.480148911284656 7.5802e-06 deg
node 65.74727453862425 0.00011244 deg
peri 303.3555436516142 0.00011792 deg
M 324.239838022302 3.8459e-05 deg
tp 2459567.502466942687
(2021-Dec-19.00246694)
0.00018523 TDB
period 1721.493547421856
4.71
3.1467e-05
8.615e-08
d
yr
n .2091207373615448 3.8225e-09 deg/d
Q 3.066001946896401 3.7362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6541 days (17.91 yr)  
   first obs. used      2002-08-17  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:56  

Additional Information
 Earth MOID = 1.55557 au 
 Jupiter MOID = 2.38717 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457614.5 (2016-Aug-14.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09116775389991877 6.3839e-08  
q 2.552337043398539 1.9227e-07 au
tp 2457855.240993734688
(2017-Apr-11.74099373)
0.00017297 TDB
node 65.80545377447527 0.00011224 deg
peri 304.8456153442821 0.00011759 deg
i 2.48254661175332 7.5889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6541 days (17.91 yr)  
   first obs. used      2002-08-17  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:56  

Additional Information
 Jupiter MOID = 2.38717 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.075437908689145E-15 -1.213914240473037E-14 3.817623553580894E-12 -9.122671918246782E-15 8.505789526297775E-13 3.741316714321928E-16
q -1.213914240473037E-14 3.69677682588905E-14 -9.32811619815309E-12 2.20161508671465E-14 -2.146745976263022E-12 -4.442095833555047E-16
tp 3.817623553580894E-12 -9.32811619815309E-12 2.991798737079919E-8 -2.604166524756623E-11 6.081378506545618E-9 1.224859982818337E-12
node -9.122671918246782E-15 2.20161508671465E-14 -2.604166524756623E-11 1.25982687054563E-8 -1.259125865648839E-8 -2.517395536379294E-10
peri 8.505789526297775E-13 -2.146745976263022E-12 6.081378506545618E-9 -1.259125865648839E-8 1.382799525322788E-8 2.517424631595106E-10
i 3.741316714321928E-16 -4.442095833555047E-16 1.224859982818337E-12 -2.517395536379294E-10 2.517424631595106E-10 5.759080829147304E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.42   n/a E2021B25  

385056 (2012 UV44)          Discovered 2007-Oct-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-01-21

Alternate Designations
 2012 UV44 = 2008 YX59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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