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357820 (2005 UC27)
Classification: Main-belt Asteroid          SPK-ID: 2357820
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837370098560026 7.7196e-08  
a 3.148446726130093 4.1682e-08 au
q 2.56996053898003 2.3583e-07 au
i 4.326097926910511 9.3073e-06 deg
node 313.116277012118 0.00010177 deg
peri 71.19984952950206 0.00010457 deg
M 232.5391339146523 2.5077e-05 deg
tp 2459722.965835975363
(2022-May-23.46583598)
0.00015069 TDB
period 2040.529842131906
5.59
4.0521e-05
1.109e-07
d
yr
n .176424766042078 3.5035e-09 deg/d
Q 3.726932913280157 4.934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      2001-01-24  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:21  

Additional Information
 Earth MOID = 1.57774 au 
 Jupiter MOID = 1.77953 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456855.5 (2014-Jul-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848395278223745 7.6746e-08  
q 2.565545453084369 2.3375e-07 au
tp 2457685.905026212975
(2016-Oct-24.40502621)
0.00012926 TDB
node 313.1488387252548 0.00010182 deg
peri 71.71105418688302 0.00010461 deg
i 4.325857234841409 9.3072e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      2001-01-24  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:26:21  

Additional Information
 Jupiter MOID = 1.77953 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.889946424635881E-15 -1.776000260542676E-14 -2.524626383256783E-12 5.207776158392545E-14 -5.844504162733831E-13 -2.319714331712023E-15
q -1.776000260542676E-14 5.463877897369337E-14 9.642313471038766E-12 -1.528658214680167E-13 2.02046370133588E-12 8.637812387203956E-15
tp -2.524626383256783E-12 9.642313471038766E-12 1.670815940573148E-8 -7.763942116251091E-11 3.134027612177281E-9 4.625939547068359E-12
node 5.207776158392545E-14 -1.528658214680167E-13 -7.763942116251091E-11 1.036812083851891E-8 -1.035383573711854E-8 3.929430246826674E-10
peri -5.844504162733831E-13 2.02046370133588E-12 3.134027612177281E-9 -1.035383573711854E-8 1.094294037758674E-8 -3.91108498820313E-10
i -2.319714331712023E-15 8.637812387203956E-15 4.625939547068359E-12 3.929430246826674E-10 -3.91108498820313E-10 8.662481167980807E-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 16.2   n/a MPO471689  

357820 (2005 UC27)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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