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JPL Small-Body Database Browser
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71845 (2000 UN93)
Classification: Main-belt Asteroid          SPK-ID: 2071845
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09002128255936603 4.3826e-08  
a 2.378387947351222 1.2512e-08 au
q 2.164282413906927 1.0357e-07 au
i 9.725759183734731 4.7635e-06 deg
node 240.703102412151 2.7284e-05 deg
peri 293.9348071217223 3.9445e-05 deg
M 246.5389927777945 3.0609e-05 deg
tp 2459022.747030246233
(2020-Jun-22.24703025)
0.00011512 TDB
period 1339.746002703334
3.67
1.0572e-05
2.894e-08
d
yr
n .2687076500124601 2.1204e-09 deg/d
Q 2.592493480795517 1.3638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      7163 days (19.61 yr)  
   first obs. used      1999-06-14  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:21:55  

Additional Information
 Earth MOID = 1.1875 au 
 Jupiter MOID = 2.43436 au 
 T_jup = 3.515 
[ 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 15.3   n/a MPO453126  
diameter diameter 4.203 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71845 (2000 UN93)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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