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344512 (2002 RM128)
Classification: Main-belt Asteroid          SPK-ID: 2344512
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117804978967373 5.5612e-08  
a 2.78194682731672 1.9795e-08 au
q 2.192784743105336 1.6145e-07 au
i 12.16252377237172 7.2626e-06 deg
node 225.5493481019107 2.3723e-05 deg
peri 80.08790644519972 3.6936e-05 deg
M 316.7574610682748 2.1429e-05 deg
tp 2459204.077767985597
(2020-Dec-20.57776799)
0.00010098 TDB
period 1694.812522237137
4.64
1.8089e-05
4.952e-08
d
yr
n .2124128747436933 2.2671e-09 deg/d
Q 3.371108911528104 2.3987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6558 days (17.95 yr)  
   first obs. used      2002-08-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:33  

Additional Information
 Earth MOID = 1.21755 au 
 Jupiter MOID = 2.01052 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457728.5 (2016-Dec-06.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107973407639344 5.5692e-08  
q 2.196405313501207 1.6166e-07 au
tp 2457509.499420409483
(2016-Apr-30.99942041)
0.00010256 TDB
node 225.5541979075853 2.3714e-05 deg
peri 80.17299694731159 3.7041e-05 deg
i 12.16184628911151 7.2626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      6558 days (17.95 yr)  
   first obs. used      2002-08-04  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:02:33  

Additional Information
 Jupiter MOID = 2.01052 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.101637662795029E-15 -8.967065663170367E-15 2.605899953191445E-12 -1.6973884720085E-15 8.234300922526982E-13 -2.136213096576457E-14
q -8.967065663170367E-15 2.613488802856838E-14 -7.45732721825156E-12 -4.341636722878875E-15 -2.34614389789706E-12 6.695556587870382E-14
tp 2.605899953191445E-12 -7.45732721825156E-12 1.051896046029385E-8 -7.465343488307711E-11 2.926386538964807E-9 -2.693245290296723E-11
node -1.6973884720085E-15 -4.341636722878875E-15 -7.465343488307711E-11 5.623724965431537E-10 -5.690729920922729E-10 -1.708838923941241E-11
peri 8.234300922526982E-13 -2.34614389789706E-12 2.926386538964807E-9 -5.690729920922729E-10 1.372057206980906E-9 9.362507962905665E-12
i -2.136213096576457E-14 6.695556587870382E-14 -2.693245290296723E-11 -1.708838923941241E-11 9.362507962905665E-12 5.27446484989001E-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 16.62   n/a E2021B25  

344512 (2002 RM128)          Discovered 2002-Sep-10 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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
1906-Jun-02 02:57 00:03 Jupiter 1.99423526449177 1.9942344081445 1.99423612084619 3.84249594641542 3.73032225076881 2417363.623166827 3.15158032537756 350.348141891513 30.630353747579 -87.8549528886682 1499020.23144604 T 7 CATAB v2.0f-lin.ifort 2020-Nov-11 17:02:34 2020-Nov-11 17:02
2013-Apr-05 16:04 < 00:01 Jupiter 1.99915178686334 1.99915103490936 1.99915253881778 3.71816458733566 3.60241113734675 2456388.169742823 0.501724825416253 149.234994092163 27.0775765108892 -84.007442670985 1666222.10952173 T 7 CATAB v2.0f-lin.ifort 2020-Nov-11 17:02:34 2020-Nov-11 17:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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