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120848 (1998 MM33)
Classification: Main-belt Asteroid          SPK-ID: 2120848
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1994066050268885 3.885e-08  
a 2.162581731017129 7.3586e-09 au
q 1.731348649941832 8.7167e-08 au
i 6.508677608131224 3.8184e-06 deg
node 102.4358152994557 3.3762e-05 deg
peri 188.7095543402515 3.6108e-05 deg
M 318.2416416024649 1.1434e-05 deg
tp 2459135.240494921862
(2020-Oct-12.74049492)
3.699e-05 TDB
period 1161.601653735834
3.18
5.9289e-06
1.623e-08
d
yr
n .3099169141522845 1.5818e-09 deg/d
Q 2.593814812092427 8.8259e-09 au
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:18  

Additional Information
 Earth MOID = .715397 au 
 Jupiter MOID = 2.58542 au 
 T_jup = 3.661 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457627.5 (2016-Aug-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992397241781118 3.8812e-08  
q 1.732179431663339 8.7086e-08 au
tp 2457973.037552974412
(2017-Aug-07.53755297)
3.664e-05 TDB
node 102.4656791652146 3.3765e-05 deg
peri 188.5531805532994 3.6117e-05 deg
i 6.507877731841994 3.8177e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      595  
   data-arc span      8111 days (22.21 yr)  
   first obs. used      1998-06-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:18  

Additional Information
 Jupiter MOID = 2.58542 au 
 T_jup = 3.661 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.506391625154663E-15 -3.374196052024535E-15 2.701000605328641E-13 7.737938106941679E-16 1.779842002863928E-13 -2.157206180425512E-15
q -3.374196052024535E-15 7.583934690069261E-15 -5.828774246174443E-13 -3.725025861230525E-16 -3.942703574442962E-13 5.07906051653474E-15
tp 2.701000605328641E-13 -5.828774246174443E-13 1.342521093251385E-9 3.111868630055552E-11 4.728098644839405E-10 5.035930023801734E-12
node 7.737938106941679E-16 -3.725025861230525E-16 3.111868630055552E-11 1.140091908065803E-9 -1.121642114119812E-9 -1.84970079621911E-11
peri 1.779842002863928E-13 -3.942703574442962E-13 4.728098644839405E-10 -1.121642114119812E-9 1.30443079609203E-9 2.007329895106141E-11
i -2.157206180425512E-15 5.07906051653474E-15 5.035930023801734E-12 -1.84970079621911E-11 2.007329895106141E-11 1.457502939755765E-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 16.6   n/a MPO302627  

120848 (1998 MM33)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 MM33 = 2001 HY59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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