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187528 (2006 UM61)
Classification: Main-belt Asteroid          SPK-ID: 2187528
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166614686340647 5.5687e-08  
a 2.288177965615759 1.2308e-08 au
q 1.906933911583109 1.2908e-07 au
i 4.335050025506829 6.4349e-06 deg
node 39.01452364935779 7.7799e-05 deg
peri 346.5780349429034 7.9544e-05 deg
M 50.7757319455602 1.8516e-05 deg
tp 2459022.185435405363
(2020-Jun-21.68543541)
6.448e-05 TDB
period 1264.250475461286
3.46
1.0201e-05
2.793e-08
d
yr
n .2847536995140517 2.2976e-09 deg/d
Q 2.669422019648409 1.4359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-10-17  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:47  

Additional Information
 Earth MOID = .910171 au 
 Jupiter MOID = 2.78009 au 
 T_jup = 3.578 
[ 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 17.35   n/a MPCxxxxx  

187528 (2006 UM61)          Discovered 2006-Oct-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1967-Jun-22 02:04 00:06 Thisb 0.0489035867719172 0.0488930915991495 0.048914082732528 3.3691903937286 3.36919035234689 2439663.586290849 5.67764321929195 608.588324422824 58.1035362697223 30.9142874825924 65451.7425771975 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:48 2021-Apr-13 21:55
1981-Mar-17 03:35 00:04 Thisb 0.0407378009964155 0.0407303216954033 0.0407452805684926 3.35056548916693 3.35056543921422 2444680.649450485 4.01628593211997 408.838727659376 63.7893560404604 -24.5961117625652 41976.4807019494 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 21:55:48 2021-Apr-13 21:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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