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JPL Small-Body Database Browser
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80545 (2000 AD85)
Classification: Main-belt Asteroid          SPK-ID: 2080545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643238254965215 3.4568e-08  
a 2.288793967494218 8.5822e-09 au
q 1.912690586982207 8.2163e-08 au
i 2.670282123982452 4.6926e-06 deg
node 166.0631889551412 7.7664e-05 deg
peri 279.1846404805921 7.9143e-05 deg
M 338.9427774017935 1.5381e-05 deg
tp 2459074.478762872300
(2020-Aug-12.97876287)
5.4208e-05 TDB
period 1264.761034358643
3.46
7.1137e-06
1.948e-08
d
yr
n .2846387501039317 1.601e-09 deg/d
Q 2.664897348006229 9.9925e-09 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:56  

Additional Information
 Earth MOID = .93104 au 
 Jupiter MOID = 2.54501 au 
 T_jup = 3.580 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456721.5 (2014-Mar-05.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638912952488279 3.4407e-08  
q 1.913956018237434 8.1816e-08 au
tp 2456542.880427656620
(2013-Sep-07.38042766)
5.0234e-05 TDB
node 166.1411763778754 7.7633e-05 deg
peri 278.7606339407286 7.9133e-05 deg
i 2.67016822904248 4.6942e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      8272 days (22.65 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:46:56  

Additional Information
 Jupiter MOID = 2.54501 au 
 T_jup = 3.580 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.183828956516451E-15 -2.80564301269093E-15 3.676346346424399E-14 1.256870545517723E-15 2.837911118688944E-14 -6.430617692254004E-16
q -2.80564301269093E-15 6.693798278383164E-15 -1.957579552360402E-14 -3.346326699750248E-15 -4.759509709904871E-14 1.661720366634009E-15
tp 3.676346346424399E-14 -1.957579552360402E-14 2.523410713249701E-9 -1.515626176432029E-11 7.794761268268637E-10 7.083669798599766E-13
node 1.256870545517723E-15 -3.346326699750248E-15 -1.515626176432029E-11 6.026817820539502E-9 -6.024091041912285E-9 8.203334534863204E-12
peri 2.837911118688944E-14 -4.759509709904871E-14 7.794761268268637E-10 -6.024091041912285E-9 6.26197983736925E-9 -7.996440432427356E-12
i -6.430617692254004E-16 1.661720366634009E-15 7.083669798599766E-13 8.203334534863204E-12 -7.996440432427356E-12 2.2035698481135E-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 15.9   n/a MPO449505  
diameter diameter 1.521 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.110 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.440   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80545 (2000 AD85)          Discovered 2000-Jan-05 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 2000 AD85 = 1997 GD18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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