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357011 (1999 UB30)
Classification: Main-belt Asteroid          SPK-ID: 2357011
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09198801594224318 9.416e-08  
a 3.144672255687695 4.2895e-08 au
q 2.855400094098366 2.8916e-07 au
i 9.416912225138967 1.036e-05 deg
node 29.76358591080077 3.73e-05 deg
peri .7380458697553824 5.1574e-05 deg
M 244.7625321022113 3.8884e-05 deg
tp 2459652.507688074041
(2022-Mar-14.00768807)
0.00022709 TDB
period 2036.861551963681
5.58
4.1676e-05
1.141e-07
d
yr
n .1767424986017994 3.6163e-09 deg/d
Q 3.433944417277025 4.6841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      1999-10-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57901  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:27:14  

Additional Information
 Earth MOID = 1.86076 au 
 Jupiter MOID = 2.01348 au 
 T_jup = 3.182 
[ 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 15.9   n/a MPO476669  

357011 (1999 UB30)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1999 UB30 = 1999 VG228 = 2011 YK50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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