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30885 (1992 UU4)
Classification: Main-belt Asteroid          SPK-ID: 2030885
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835567459830917 2.7274e-08  
a 2.657290487745394 1.0238e-08 au
q 2.169526892683027 7.2842e-08 au
i 13.69421003949297 6.0855e-07 deg
node 236.8926444033018 4.1825e-06 deg
peri 179.4670531846506 4.4322e-06 deg
M 171.2011038360014 5.1765e-06 deg
tp 2458448.078778614173
(2018-Nov-25.57877861)
1.9953e-05 TDB
period 1582.18395576686
4.33
9.1441e-06
2.504e-08
d
yr
n .2275335928466761 1.315e-09 deg/d
Q 3.145054082807761 1.2118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1721  
   data-arc span      10337 days (28.30 yr)  
   first obs. used      1992-10-30  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46174  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:41:39  

Additional Information
 Earth MOID = 1.18076 au 
 Jupiter MOID = 2.2178 au 
 T_jup = 3.323 
[ 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 13.63   n/a MPCxxxxx  
diameter diameter 6.075 km 1.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.193   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

30885 (1992 UU4)          Discovered 1992-Oct-30 by Natori, A., Urata, T. at Yakiimo
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 UU4 = 1999 JE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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