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312900 (2011 UM297)
Classification: Main-belt Asteroid          SPK-ID: 2312900
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 .1820047513903284 7.008e-08  
a 2.39217471718456 1.9221e-08 au
q 1.956787552501155 1.6863e-07 au
i 4.650483248726081 5.4994e-06 deg
node 68.47654169190609 0.00010397 deg
peri 235.7246636576811 0.00010538 deg
M 190.8854556505236 1.8289e-05 deg
tp 2459635.342846048712
(2022-Feb-24.84284605)
6.8837e-05 TDB
period 1351.411999817412
3.70
1.6287e-05
4.459e-08
d
yr
n .2663880445405541 3.2105e-09 deg/d
Q 2.827561881867965 2.2719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      9040 days (24.75 yr)  
   first obs. used      1995-04-05  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 06:38:10  

Additional Information
 Earth MOID = .946099 au 
 Jupiter MOID = 2.41058 au 
 T_jup = 3.504 
[ 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 17.4   n/a MPO455306  

312900 (2011 UM297)          Discovered 2010-Mar-21 by Spacewatch at Kitt Peak
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
2072-Jul-24 22:55 00:02 Hebe 0.000334787022480868 0.000317581985452789 0.000352595436382014 6.01152083447942 6.01151774557353 2478048.454811729 1.93168076012311 1126.75618016352 91.8410310055081 -39.3282023401513 346.214021515084 T 9 CATAB v2.0f-lin.ifort 2020-Jan-30 06:38:20 2020-Jan-30 06:38

Alternate Designations
 2011 UM297 = 2010 GG110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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