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85714 (1998 SU49)
Classification: Main-belt Asteroid          SPK-ID: 2085714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546615498035203 5.4619e-08  
a 2.570237073583522 1.2415e-08 au
q 2.17272022442063 1.4123e-07 au
i 26.34788806079626 4.7144e-06 deg
node 193.0147991476209 1.3208e-05 deg
peri 273.9768979882815 2.0944e-05 deg
M 21.95218596167908 1.4547e-05 deg
tp 2458908.723080893429
(2020-Feb-29.22308089)
6.0886e-05 TDB
period 1505.075209186059
4.12
1.0905e-05
2.986e-08
d
yr
n .2391907047586593 1.7331e-09 deg/d
Q 2.967753922746415 1.4336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      8736 days (23.92 yr)  
   first obs. used      1996-04-23  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:03  

Additional Information
 Earth MOID = 1.34345 au 
 Jupiter MOID = 2.37161 au 
 T_jup = 3.269 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457394.5 (2016-Jan-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536365253184729 5.4694e-08  
q 2.175278201310807 1.4129e-07 au
tp 2457405.191151574088
(2016-Jan-17.69115157)
6.362e-05 TDB
node 193.0325212988701 1.3205e-05 deg
peri 274.3451534611372 2.1027e-05 deg
i 26.34808113545292 4.7138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      8736 days (23.92 yr)  
   first obs. used      1996-04-23  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58183  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:03  

Additional Information
 Jupiter MOID = 2.37161 au 
 T_jup = 3.269 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.991378996775783E-15 -7.706034212211985E-15 -4.864546738621479E-13 -3.315978805626913E-15 -6.777146279470948E-14 -3.126955499403893E-14
q -7.706034212211985E-15 1.996240919723106E-14 1.050811431389451E-12 8.346745397999391E-15 1.201000865569535E-13 8.089947119511148E-14
tp -4.864546738621479E-13 1.050811431389451E-12 4.047487260692739E-9 3.756557288955059E-12 1.077938164942898E-9 8.814666748498842E-12
node -3.315978805626913E-15 8.346745397999391E-15 3.756557288955059E-12 1.743736065357183E-10 -1.557325161626558E-10 1.124082625286555E-11
peri -6.777146279470948E-14 1.201000865569535E-13 1.077938164942898E-9 -1.557325161626558E-10 4.42145483831479E-10 -8.269197080118167E-12
i -3.126955499403893E-14 8.089947119511148E-14 8.814666748498842E-12 1.124082625286555E-11 -8.269197080118167E-12 2.222029373495124E-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 15.3   n/a MPO502666  
diameter diameter 5.476 km 1.743 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.045   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

85714 (1998 SU49)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 SU49 = 2002 TB188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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