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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07516922784376227 8.6546e-08  
a 3.114164486132229 5.5223e-08 au
q 2.880075146331202 3.0633e-07 au
i 10.59009425732517 1.1355e-05 deg
node 61.82488292394287 3.5811e-05 deg
peri 273.1817502315435 8.4526e-05 deg
M 268.3693915934953 7.6004e-05 deg
tp 2459511.415193519681
(2021-Oct-23.91519352)
0.00042312 TDB
period 2007.292899891171
5.50
5.3392e-05
1.462e-07
d
yr
n .1793460237016322 4.7704e-09 deg/d
Q 3.348253825933255 5.9374e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:42  

Additional Information
 Earth MOID = 1.89639 au 
 Jupiter MOID = 1.94844 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 15.8   n/a MPO397108  

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 1.9481045809702 1.94810354041579 1.94810562152483 4.43143275623789 4.33220613369728 2425726.381020693 6.4601060755772 146.923623982047 42.5812896211798 -81.7988483120658 1495267.70548099 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 18:45:43 2020-Nov-11 18:45
2001-Apr-04 02:57 00:01 Jupiter 1.95248606266461 1.95248510496417 1.95248702036527 4.16026480121408 4.05464774370078 2452003.623260663 1.04262367044314 90.7953848927089 33.6250759867042 -71.9039773696924 1559067.50285842 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 18:45:43 2020-Nov-11 18:45
2083-Jun-25 01:27 00:05 Jupiter 1.96192089175583 1.96191952540295 1.96192225810915 4.50995119437205 4.41318448737937 2482035.560329696 5.26693811291561 141.300607428129 53.7637186148056 -76.3998918172242 1227212.03056441 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 18:45:43 2020-Nov-11 18:45
2155-Jun-05 16:32 00:11 Jupiter 1.9677283224508 1.9677271663954 1.9677294785185 4.20982367820478 4.10630019784995 2508313.189196693 10.8243326669342 402.332779131038 38.055757255094 -82.8037115538936 1493302.72349259 T 9 CATAB v2.0f-lin.ifort 2020-Nov-11 18:45:43 2020-Nov-11 18:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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