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35121 (1992 EP8)
Classification: Main-belt Asteroid          SPK-ID: 2035121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136349961106467 3.2666e-08  
a 2.204205229375851 7.3959e-09 au
q 1.953730376708659 7.1481e-08 au
i 4.018702955034228 3.2364e-06 deg
node 75.58571586328918 6.1342e-05 deg
peri 138.4489291546941 6.3978e-05 deg
M 181.5166482230703 1.8806e-05 deg
tp 2459593.113692514999
(2022-Jan-13.61369252)
6.3556e-05 TDB
period 1195.298761377112
3.27
6.016e-06
1.647e-08
d
yr
n .3011799322750418 1.5158e-09 deg/d
Q 2.454680082043043 8.2363e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      10122 days (27.71 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 02:46:29  

Additional Information
 Earth MOID = .948914 au 
 Jupiter MOID = 2.51139 au 
 T_jup = 3.651 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456899.5 (2014-Aug-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1136432543846171 3.2699e-08  
q 1.95436769004758 7.1636e-08 au
tp 2457202.120692434243
(2015-Jun-28.62069243)
5.9844e-05 TDB
node 75.61542327116187 6.1322e-05 deg
peri 138.4220659228288 6.3949e-05 deg
i 4.019290961704789 3.2364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1147  
   data-arc span      10122 days (27.71 yr)  
   first obs. used      1992-03-02  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 02:46:29  

Additional Information
 Jupiter MOID = 2.51139 au 
 T_jup = 3.651 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.069234881351769E-15 -2.332644892362755E-15 -5.223820532395511E-13 -8.538585546809381E-15 -1.596960131508151E-13 -4.464882014062826E-16
q -2.332644892362755E-15 5.131691187129118E-15 1.239319880343456E-12 1.981480049011677E-14 3.744850622186737E-13 1.020056369764213E-15
tp -5.223820532395511E-13 1.239319880343456E-12 3.581323912229404E-9 8.52251244595841E-12 1.104332596249061E-9 1.261924981631148E-14
node -8.538585546809381E-15 1.981480049011677E-14 8.52251244595841E-12 3.760399273533112E-9 -3.748312962849859E-9 1.546485190942623E-11
peri -1.596960131508151E-13 3.744850622186737E-13 1.104332596249061E-9 -3.748312962849859E-9 4.089488040081211E-9 -1.540985550811117E-11
i -4.464882014062826E-16 1.020056369764213E-15 1.261924981631148E-14 1.546485190942623E-11 -1.540985550811117E-11 1.047416627249114E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO337547  

35121 (1992 EP8)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EP8 = 1999 LO21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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