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JPL Small-Body Database Browser
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85835 (1998 XB81)
Classification: Main-belt Asteroid          SPK-ID: 2085835
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555850082583087 3.7759e-08  
a 2.137618152491539 9.6352e-09 au
q 1.805036814583032 8.5355e-08 au
i 3.302029549817222 4.5407e-06 deg
node 95.78473207805143 6.0749e-05 deg
peri 266.4668955253666 6.4699e-05 deg
M 248.9820012859781 2.7223e-05 deg
tp 2458952.533921486863
(2020-Apr-13.03392149)
8.8292e-05 TDB
period 1141.546534825654
3.13
7.7182e-06
2.113e-08
d
yr
n .3153616510736307 2.1322e-09 deg/d
Q 2.470199490400045 1.1134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      8643 days (23.66 yr)  
   first obs. used      1995-12-21  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:54:10  

Additional Information
 Earth MOID = .80504 au 
 Jupiter MOID = 2.97778 au 
 T_jup = 3.698 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO436375  
diameter diameter 1.459 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85835 (1998 XB81)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 XB81 = 2000 HP4 = 2001 RN44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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