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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 ]

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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 .05813239954585735 5.2583e-08  
a 2.619035105669657 1.5016e-08 au
q 2.466784310482242 1.3758e-07 au
i 13.614078789239 6.1785e-06 deg
node 301.8195234071353 1.982e-05 deg
peri 165.6773732000742 5.3718e-05 deg
M 116.3804370823679 4.8399e-05 deg
tp 2458500.018660194664
(2019-Jan-16.51866019)
0.00020736 TDB
period 1548.140622658119
4.24
1.3314e-05
3.645e-08
d
yr
n .2325370155211669 1.9999e-09 deg/d
Q 2.771285900857073 1.5889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      8228 days (22.53 yr)  
   first obs. used      1997-12-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:02  

Additional Information
 Earth MOID = 1.48498 au 
 Jupiter MOID = 2.32379 au 
 T_jup = 3.363 
[ show covariance matrix ]

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

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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
1985-May-09 14:25 < 00:01 Hebe 0.0476524815133507 0.0476501450864581 0.0476548182102574 9.67120544302184 9.67120542953248 2446195.100367240 0.575457925674596 228.582744940802 48.4513342116288 61.6875250496958 130356.496620344 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 00:17:16 2020-Jun-24 00:17
2144-May-28 05:21 < 00:01 Psych 0.0109388036437657 0.0109209530270578 0.0109566976270852 5.5502371864542 5.55023698717049 2504287.722821666 0.671556646802351 1405.61500329743 49.7736166611726 -50.7162665463815 25444.0064956311 T 23 CATAB v2.0f-lin.ifort 2020-Jun-24 00:17:16 2020-Jun-24 00:17

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