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312155 (2007 UH12)
Classification: Main-belt Asteroid          SPK-ID: 2312155
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 .2360132769396116 8.1129e-08  
a 2.260534777847094 1.7555e-08 au
q 1.727018557291444 1.8001e-07 au
i 2.82835717561042 6.2802e-06 deg
node 335.9974391242741 0.00018488 deg
peri 26.96360473227136 0.00018569 deg
M 252.0725123453311 2.0955e-05 deg
tp 2459372.672931396472
(2021-Jun-07.17293140)
7.5497e-05 TDB
period 1241.409933782831
3.40
1.4461e-05
3.959e-08
d
yr
n .2899928462010981 3.3781e-09 deg/d
Q 2.794050998402744 2.1698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:48:26  

Additional Information
 Earth MOID = .72504 au 
 Jupiter MOID = 2.66702 au 
 T_jup = 3.581 
[ 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 18.1   n/a MPO471269  

312155 (2007 UH12)          Discovered 2007-Oct-19 by Mt. Lemmon Survey at Mount Lemmon
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
2154-May-01 01:58 00:04 Iris 0.0284472460779086 0.028293833841821 0.0286006971557982 3.77371250704565 3.77371245349509 2507912.582130949 4.36367656094791 7822.58647229211 85.7618875530902 12.2044424316948 10496.0089561119 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 18:48:26 2020-Nov-11 18:48

Alternate Designations
 2007 UH12 = 2004 XN116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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