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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457319.5 (2015-Oct-24.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1829573330476973 7.0162e-08  
q 1.953749135298436 1.6895e-07 au
tp 2456932.803105157402
(2014-Oct-02.30310516)
7.3357e-05 TDB
node 68.51165987637718 0.00010404 deg
peri 235.6768763276806 0.00010544 deg
i 4.650159072580896 5.498e-06 deg
  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
 Jupiter MOID = 2.41058 au 
 T_jup = 3.504 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.922710068822806E-15 -1.180264419773892E-14 2.304785208458254E-12 6.342281729231574E-14 4.845349691560214E-13 -9.287184523341673E-15
q -1.180264419773892E-14 2.85427074510232E-14 -5.939790250986828E-12 -1.554597175559805E-13 -1.248139149602207E-12 2.277983995929989E-14
tp 2.304785208458254E-12 -5.939790250986828E-12 5.381242039854285E-9 8.016866317486741E-11 1.346394000218593E-9 -7.591793207365897E-12
node 6.342281729231574E-14 -1.554597175559805E-13 8.016866317486741E-11 1.082494322261485E-8 -1.076894160659999E-8 -2.669473949171727E-11
peri 4.845349691560214E-13 -1.248139149602207E-12 1.346394000218593E-9 -1.076894160659999E-8 1.111691136106609E-8 2.471384384824169E-11
i -9.287184523341673E-15 2.277983995929989E-14 -7.591793207365897E-12 -2.669473949171727E-11 2.471384384824169E-11 3.022845870743381E-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 MPO455306  

312900 (2011 UM297)          Discovered 2010-Mar-21 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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