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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07197098219603505 3.6701e-08  
a 2.471192366465867 8.251e-09 au
q 2.293338224655974 9.0356e-08 au
i 4.04260985851214 4.5945e-06 deg
node 188.4538133305211 4.0978e-05 deg
peri 226.3079400807275 5.3612e-05 deg
M 312.915675794833 3.1236e-05 deg
tp 2459186.080396454188
(2020-Dec-02.58039645)
0.00012283 TDB
period 1418.921134609295
3.88
7.1064e-06
1.946e-08
d
yr
n .2537138895313777 1.2707e-09 deg/d
Q 2.649046508275759 8.8448e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2447  
   data-arc span      22608 days (61.90 yr)  
   first obs. used      1958-12-06  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:05:22  

Additional Information
 Earth MOID = 1.30641 au 
 Jupiter MOID = 2.58058 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 12.7   n/a MPO435725  
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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