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2881 Meiden (1983 AA1)
Classification: Main-belt Asteroid          SPK-ID: 2002881
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545878972962207 1.3299e-08  
a 2.247412389486763 5.329e-09 au
q 1.89998963383853 3.0987e-08 au
i 4.616109975622763 8.9869e-07 deg
node 172.9978322520759 3.405e-06 deg
peri 326.5481236740513 6.9776e-06 deg
M 75.81143010882212 7.7116e-06 deg
tp 2458941.347876735075
(2020-Apr-01.84787674)
2.6e-05 TDB
period 1230.616072556008
3.37
4.377e-06
1.198e-08
d
yr
n .2925364035367054 1.0405e-09 deg/d
Q 2.594835145134997 6.1528e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2749  
   data-arc span      30790 days (84.30 yr)  
   first obs. used      1936-03-17  
   last obs. used      2020-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:24:47  

Additional Information
 Earth MOID = .914764 au 
 Jupiter MOID = 2.42741 au 
 T_jup = 3.610 
[ 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 13.14   n/a E2020-QM5  
diameter diameter 5.672 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.48011 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Brinsfield, J.W. (2010) Minor Planet Bull. 37, 146-147.]
[Polakis, T.; Skiff, B.A.; Pravec, P.; Warner, B.D. (2017) CBET 4387.]
[Aznar, A.M.; Cornea, R.; Suciu, O. (2018) Minor Planet Bull. 45, 92-96.]
[Ditteon, R.; Young, J. (2018) Minor Planet Bull. 45, 117-119.]
geometric albedo albedo 0.241   0.026 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)

2881 Meiden (1983 AA1)          Discovered 1983-Jan-12 by Skiff, B. A. 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
 1983 AA1 = 1936 FS1 = 1936 FZ1 = 1953 GP1 = 1953 GQ = 1968 UO2 = 1975 VL1 = 1978 RP5 = 1983 AZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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