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85937 (1999 DL1)
Classification: Main-belt Asteroid          SPK-ID: 2085937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970898979236326 4.5758e-08  
a 2.342265056279414 9.7888e-09 au
q 1.880628275427213 1.0744e-07 au
i 25.15692986004584 5.0257e-06 deg
node 302.4995003446001 1.0399e-05 deg
peri 183.7986650664835 1.5125e-05 deg
M 103.2200684702286 1.2918e-05 deg
tp 2459021.082833153503
(2020-Jun-20.58283315)
4.5811e-05 TDB
period 1309.340151268354
3.58
8.208e-06
2.247e-08
d
yr
n .2749476518010001 1.7236e-09 deg/d
Q 2.803901837131616 1.1718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      12262 days (33.57 yr)  
   first obs. used      1987-11-30  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:25  

Additional Information
 Earth MOID = .897111 au 
 Jupiter MOID = 2.29308 au 
 T_jup = 3.412 
[ 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 14.57   n/a E2021B10  
diameter diameter 3.558 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85937 (1999 DL1)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 DL1 = 2001 TV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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