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2861 Lambrecht (1981 VL2)
Classification: Main-belt Asteroid          SPK-ID: 2002861
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .072108792015688 2.5318e-08  
a 2.471493691228535 7.2045e-09 au
q 2.293277266679652 6.3934e-08 au
i 4.042424479338027 1.2136e-06 deg
node 188.4527767510712 6.3654e-06 deg
peri 226.3362933555676 1.1985e-05 deg
M 3.636179345610214 1.2694e-05 deg
tp 2459186.165568255958
(2020-Dec-02.66556826)
5.0048e-05 TDB
period 1419.180666675583
3.89
6.2055e-06
1.699e-08
d
yr
n .2536674917107604 1.1092e-09 deg/d
Q 2.649710115777419 7.724e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2763  
   data-arc span      22743 days (62.27 yr)  
   first obs. used      1958-12-06  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:23:26  

Additional Information
 Earth MOID = 1.30552 au 
 Jupiter MOID = 2.57966 au 
 T_jup = 3.477 
[ 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 12.80   n/a E2021B10  
diameter diameter 16.576 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.070   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Xc   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)

2861 Lambrecht (1981 VL2)          Discovered 1981-Nov-03 by Borngen, F. and Kirsch, K. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 VL2 = 1938 SQ = 1952 DA3 = 1958 XH = 1971 DW1 = 1977 RV5 = A921 GD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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