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295502 (2008 RM51)
Classification: Jupiter Trojan          SPK-ID: 2295502
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05698622367870334 8.1585e-08  
a 5.17104752535752 1.9392e-07 au
q 4.876369054424291 5.7264e-07 au
i 6.72416763191431 5.6702e-06 deg
node 260.6281648376449 7.1651e-05 deg
peri 147.4792900225089 0.00010701 deg
M 312.4979879771614 8.3634e-05 deg
tp 2459767.229376853684
(2022-Jul-06.72937685)
0.001017 TDB
period 4295.030188810398
11.76
0.00024161
6.615e-07
d
yr
n .08381780433997597 4.7149e-09 deg/d
Q 5.465725996290749 2.0497e-07 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:58:52  

Additional Information
 Earth MOID = 3.88823 au 
 Jupiter MOID = .122801 au 
 T_jup = 2.983 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05437115437275503 8.1916e-08  
q 4.902742780371481 5.7177e-07 au
tp 2455449.289386092908
(2010-Sep-09.78938609)
0.00094224 TDB
node 260.654375102048 7.1653e-05 deg
peri 146.2261072632389 0.00010962 deg
i 6.717938980540219 5.666e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      8447 days (23.13 yr)  
   first obs. used      1997-10-21  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:58:52  

Additional Information
 Jupiter MOID = .122801 au 
 T_jup = 2.983 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.710300607935462E-15 -4.576424700538889E-14 -3.644340760806386E-11 -1.72103553357847E-14 -3.557171454693743E-12 -6.233735629811912E-15
q -4.576424700538889E-14 3.269158981086634E-13 2.536812108253594E-10 1.354008843540633E-13 2.546521330484015E-11 4.854845314422047E-14
tp -3.644340760806386E-11 2.536812108253594E-10 8.87807535864953E-7 7.814061127123493E-12 7.808385005256983E-8 4.382370547479217E-11
node -1.72103553357847E-14 1.354008843540633E-13 7.814061127123493E-12 5.134167372567944E-9 -5.095494343275799E-9 3.903604812801654E-11
peri -3.557171454693743E-12 2.546521330484015E-11 7.808385005256983E-8 -5.095494343275799E-9 1.201631824651789E-8 -3.424470693031731E-11
i -6.233735629811912E-15 4.854845314422047E-14 4.382370547479217E-11 3.903604812801654E-11 -3.424470693031731E-11 3.210308701697571E-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 13.88   n/a E2021B55  

295502 (2008 RM51)          Discovered 2008-Sep-03 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

Alternate Designations
 2008 RM51 = 2009 RE42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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