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3853 Haas (1981 WG1)
Classification: Main-belt Asteroid          SPK-ID: 2003853
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374127420310984 1.8572e-08  
a 2.808231566208148 1.2311e-08 au
q 2.4223447664372 5.095e-08 au
i 9.082954227204505 3.5337e-07 deg
node 142.8510698251002 4.5531e-06 deg
peri 283.2261796755486 9.6416e-06 deg
M 99.85303488667559 6.8187e-06 deg
tp 2458723.732579708297
(2019-Aug-28.23257971)
3.1198e-05 TDB
period 1718.888880040602
4.71
1.1303e-05
3.095e-08
d
yr
n .2094376222804445 1.3773e-09 deg/d
Q 3.194118365979096 1.4003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2709  
   data-arc span      14392 days (39.40 yr)  
   first obs. used      1981-10-27  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42767  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:15:17  

Additional Information
 Earth MOID = 1.45531 au 
 Jupiter MOID = 2.13194 au 
 T_jup = 3.290 
[ 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 12.79   n/a MPCxxxxx  
diameter diameter 8.058 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.229   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3853 Haas (1981 WG1)          Discovered 1981-Nov-24 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 WG1 = 1985 RW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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