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160629 (1999 UQ45)
Classification: Main-belt Asteroid          SPK-ID: 2160629
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2790855050640412 7.4308e-08  
a 2.572805081128051 2.0072e-08 au
q 1.854772475630097 2.0146e-07 au
i 4.183746465056843 6.8009e-06 deg
node 287.1173692277421 7.6429e-05 deg
peri 53.40596908285442 7.8288e-05 deg
M 75.78936250892053 2.2959e-05 deg
tp 2458883.167533497719
(2020-Feb-03.66753350)
9.271e-05 TDB
period 1507.331426984556
4.13
1.7639e-05
4.829e-08
d
yr
n .238832677110824 2.7949e-09 deg/d
Q 3.290837686626005 2.5673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      7764 days (21.26 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:09  

Additional Information
 Earth MOID = .848007 au 
 Jupiter MOID = 2.13636 au 
 T_jup = 3.369 
[ 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 15.8   n/a MPO436810  

160629 (1999 UQ45)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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