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359727 (2011 UU28)
Classification: Main-belt Asteroid          SPK-ID: 2359727
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1206810761260084 4.1418e-08  
a 2.623495624314476 2.8834e-08 au
q 2.30688934916033 1.1278e-07 au
i 13.988840781551 8.9237e-06 deg
node 27.47872846133105 2.2054e-05 deg
peri 52.52096627822039 5.9579e-05 deg
M 338.9148326486447 5.1622e-05 deg
tp 2459091.406198041802
(2020-Aug-29.90619804)
0.00022303 TDB
period 1552.09729900224
4.25
2.5587e-05
7.005e-08
d
yr
n .2319442216872773 3.8238e-09 deg/d
Q 2.940101899468621 3.2313e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1996-04-12  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:21:19  

Additional Information
 Earth MOID = 1.34746 au 
 Jupiter MOID = 2.41565 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457798.5 (2017-Feb-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188219055362872 4.1188e-08  
q 2.312401716289397 1.1203e-07 au
tp 2457536.016041773433
(2016-May-27.51604177)
0.00022211 TDB
node 27.51747730662122 2.2024e-05 deg
peri 51.94845518448149 6.0776e-05 deg
i 13.9992214634204 8.9331e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      8961 days (24.53 yr)  
   first obs. used      1996-04-12  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:21:19  

Additional Information
 Jupiter MOID = 2.41565 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.696479222539674E-15 -4.492919997058076E-15 -6.425248892804073E-13 5.298866944022312E-15 -8.992136069736304E-14 -2.890160529096773E-15
q -4.492919997058076E-15 1.255065020584102E-14 2.92637568400525E-12 -1.793818135380117E-14 5.589359608466607E-13 9.411795777717816E-15
tp -6.425248892804073E-13 2.92637568400525E-12 4.933428587352483E-8 -1.312657189894022E-10 1.260186364631353E-8 2.808393481410882E-11
node 5.298866944022312E-15 -1.793818135380117E-14 -1.312657189894022E-10 4.850496303338338E-10 -5.031702870610418E-10 -1.026315016266912E-10
peri -8.992136069736304E-14 5.589359608466607E-13 1.260186364631353E-8 -5.031702870610418E-10 3.693662058964576E-9 1.065234596058491E-10
i -2.890160529096773E-15 9.411795777717816E-15 2.808393481410882E-11 -1.026315016266912E-10 1.065234596058491E-10 7.979965163581515E-11

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 16.4   n/a MPO455596  
diameter diameter 3.307 km 0.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

359727 (2011 UU28)          Discovered 2009-Apr-01 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Dec-26 05:59 00:04 Hygie 0.0239838449192708 0.0239529245271377 0.024014787037245 5.26197322229881 5.26197291614829 2433276.749610353 3.57209574987516 1918.20853875358 150.91010583812 36.6905717309082 14268.5709343426 T 14 CATAB v2.0f-lin.ifort 2020-Nov-11 16:21:19 2020-Nov-11 16:21

Alternate Designations
 2011 UU28 = 2009 HA90 = 2010 HA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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