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JPL Small-Body Database Browser
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85555 (1997 YG14)
Classification: Main-belt Asteroid          SPK-ID: 2085555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0583952743560949 5.7158e-08  
a 2.61936527681357 1.5453e-08 au
q 2.466406722835214 1.5092e-07 au
i 13.61357200118303 6.5484e-06 deg
node 301.8179786783004 1.9986e-05 deg
peri 165.757832688613 5.6448e-05 deg
M 23.27013378913529 5.048e-05 deg
tp 2458500.410411110793
(2019-Jan-16.91041111)
0.00021705 TDB
period 1548.433383607699
4.24
1.3703e-05
3.752e-08
d
yr
n .2324930499504184 2.0575e-09 deg/d
Q 2.772323830791927 1.6356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1997-12-07  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:41:34  

Additional Information
 Earth MOID = 1.48485 au 
 Jupiter MOID = 2.32414 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456778.5 (2014-May-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05842206677638248 5.7991e-08  
q 2.465982993267869 1.532e-07 au
tp 2456957.954152426868
(2014-Oct-27.45415243)
0.0002124 TDB
node 301.8555079877812 1.9971e-05 deg
peri 167.2325149745958 5.5549e-05 deg
i 13.61974509466579 6.5499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      7787 days (21.32 yr)  
   first obs. used      1997-12-07  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:41:34  

Additional Information
 Jupiter MOID = 2.32414 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.362926611883408E-15 -8.844658138921732E-15 5.47398261722463E-12 -1.878324872354728E-14 1.376133455659342E-12 2.968929293442818E-15
q -8.844658138921732E-15 2.347135928425284E-14 -1.431825109816506E-11 4.902641929803665E-14 -3.604059226661246E-12 -7.081749877704232E-15
tp 5.47398261722463E-12 -1.431825109816506E-11 4.51148906774859E-8 -7.325876766270704E-11 1.102635652732596E-8 1.465522464084673E-11
node -1.878324872354728E-14 4.902641929803665E-14 -7.325876766270704E-11 3.988466071368061E-10 -4.05114521443707E-10 2.882340599174276E-11
peri 1.376133455659342E-12 -3.604059226661246E-12 1.102635652732596E-8 -4.05114521443707E-10 3.085648665032075E-9 -2.448904493901924E-11
i 2.968929293442818E-15 -7.081749877704232E-15 1.465522464084673E-11 2.882340599174276E-11 -2.448904493901924E-11 4.290075142811981E-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 14.5   n/a MPO337903  
diameter diameter 3.659 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.276   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85555 (1997 YG14)          Discovered 1997-Dec-31 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 YG14 = 2000 RP13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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