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277996 (2006 UR74)
Classification: Main-belt Asteroid          SPK-ID: 2277996
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2287396220647708 4.5217e-08  
a 2.576892572155334 1.599e-08 au
q 1.987455139099007 1.1122e-07 au
i 2.941400814957456 8.0644e-06 deg
node 306.2800432937412 0.00013719 deg
peri 147.508311532274 0.00014041 deg
M 62.0082991589455 2.5713e-05 deg
tp 2458740.250313073468
(2019-Sep-13.75031307)
0.00010757 TDB
period 1510.924965921045
4.14
1.4063e-05
3.85e-08
d
yr
n .2382646445851449 2.2176e-09 deg/d
Q 3.16633000521166 1.9647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      9202 days (25.19 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:30:25  

Additional Information
 Earth MOID = 1.00494 au 
 Jupiter MOID = 2.0319 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457495.5 (2016-Apr-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2282349754735206 4.5547e-08  
q 1.989890671842995 1.1246e-07 au
tp 2457230.351075711420
(2015-Jul-26.85107571)
0.00010716 TDB
node 306.3547469478615 0.0001371 deg
peri 147.7635012877414 0.00014034 deg
i 2.94122716270129 8.0695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      9202 days (25.19 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62494  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:30:25  

Additional Information
 Jupiter MOID = 2.0319 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.074544865159378E-15 -5.097367076666285E-15 1.762787725027491E-12 -3.471322942579636E-14 4.611108605468074E-13 -2.477190540691743E-15
q -5.097367076666285E-15 1.264735892819872E-14 -4.624455907939122E-12 7.856639683632155E-14 -1.20618351407715E-12 5.789279228027624E-15
tp 1.762787725027491E-12 -4.624455907939122E-12 1.148264856494316E-8 -5.551408630389543E-11 3.276648011715202E-9 -5.285582775214013E-12
node -3.471322942579636E-14 7.856639683632155E-14 -5.551408630389543E-11 1.879547624101966E-8 -1.878392391366587E-8 7.759979689081352E-10
peri 4.611108605468074E-13 -1.20618351407715E-12 3.276648011715202E-9 -1.878392391366587E-8 1.969414562933323E-8 -7.763506514204975E-10
i -2.477190540691743E-15 5.789279228027624E-15 -5.285582775214013E-12 7.759979689081352E-10 -7.763506514204975E-10 6.51174734567461E-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 17.4   n/a MPO455063  

277996 (2006 UR74)          Discovered 2006-Oct-17 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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