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85421 (1996 XL30)
Classification: Main-belt Asteroid          SPK-ID: 2085421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044252426404045 4.5422e-08  
a 2.743553282373704 1.5761e-08 au
q 2.182701736927581 1.2381e-07 au
i 3.009062105181629 5.3194e-06 deg
node 195.3470473501843 8.4255e-05 deg
peri 151.0810644459435 8.499e-05 deg
M 80.20718600360185 1.1293e-05 deg
tp 2458230.689443353192
(2018-Apr-22.18944335)
5.1177e-05 TDB
period 1659.848786951239
4.54
1.4303e-05
3.916e-08
d
yr
n .2168872266137191 1.869e-09 deg/d
Q 3.304404827819827 1.8983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      8992 days (24.62 yr)  
   first obs. used      1994-05-01  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55058  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:45:45  

Additional Information
 Earth MOID = 1.17549 au 
 Jupiter MOID = 2.12347 au 
 T_jup = 3.316 
[ 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 15.4   n/a MPO459395  
diameter diameter 4.093 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85421 (1996 XL30)          Discovered 1996-Dec-15 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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