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312876 (2011 UY177)
Classification: Main-belt Asteroid          SPK-ID: 2312876
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07536260499219155 8.6237e-08  
a 3.115913725307978 5.5169e-08 au
q 2.881090350037845 3.058e-07 au
i 10.58676326597177 1.1351e-05 deg
node 61.81967234851293 3.5823e-05 deg
peri 272.7900199266822 8.4621e-05 deg
M 304.6295801570552 7.5978e-05 deg
tp 2459509.495303845161
(2021-Oct-21.99530385)		 0.00042355 TDB
period 2008.98439455181
5.50		 5.3355e-05
1.461e-07		 d
yr
n .1791950206165306 4.7591e-09 deg/d
Q 3.350737100578111 5.9326e-08 au
   Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-11-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61249  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:41  

Additional Information
 Earth MOID = 1.89545 au 
 Jupiter MOID = 1.94417 au 
 T_jup = 3.187 
[ 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 15.98   n/a E2021B25  

312876 (2011 UY177)          Discovered 2005-Sep-30 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Apr-24 21:09 00:06 Jupiter 1.94810457814129 1.94810353758511 1.9481056186978 4.43143256450041 4.33220593797686 2425726.381228060 6.46041109226407 146.923871250212 42.5814512736936 -81.7989415939604 1495264.14219557 T 10 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:41 2021-Apr-14 06:31
2001-Apr-04 02:58 00:01 Jupiter 1.95248604445001 1.95248508674914 1.9524870021511 4.16026482561454 4.05464776832977 2452003.623295306 1.04262503531897 90.7954464240004 33.6250793214638 -71.9039671865164 1559067.43958361 T 10 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:41 2021-Apr-14 06:31
2083-Jun-25 01:27 00:05 Jupiter 1.96192080843159 1.96191944206311 1.96192217480047 4.50995071500667 4.41318399388869 2482035.560659610 5.26709511313638 141.300578089698 53.7643969780489 -76.39975514159 1227201.51340867 T 10 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:41 2021-Apr-14 06:31
2155-Jun-05 16:35 00:11 Jupiter 1.96772841404001 1.96772725794831 1.967729570144 4.20982061554137 4.10629706343243 2508313.191164758 10.8248061571427 402.352718561535 38.055512935563 -82.8035411078458 1493307.37249025 T 10 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:41 2021-Apr-14 06:31
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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