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JPL Small-Body Database Browser
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27102 Emilychen (1998 VV7)
Classification: Main-belt Asteroid          SPK-ID: 2027102
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04306252051161875 3.0694e-08  
a 2.25096851346238 6.9894e-09 au
q 2.154036135680399 6.9085e-08 au
i 4.611312238366973 3.3696e-06 deg
node 328.2024410324243 4.3159e-05 deg
peri 178.1661687080438 6.0349e-05 deg
M 30.59562063043701 4.2331e-05 deg
tp 2458895.664270021151
(2020-Feb-16.16427002)
0.00014498 TDB
period 1233.538069001956
3.38
5.7453e-06
1.573e-08
d
yr
n .2918434453273684 1.3593e-09 deg/d
Q 2.347900891244362 7.2903e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1429  
   data-arc span      10370 days (28.39 yr)  
   first obs. used      1991-09-15  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:57:10  

Additional Information
 Earth MOID = 1.16536 au 
 Jupiter MOID = 2.63773 au 
 T_jup = 3.622 
[ 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 15.0   n/a MPO351013  
diameter diameter 3.472 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.137   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27102 Emilychen           Discovered 1998 Nov. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Emily Li Chen (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for her microbiology project. She attends the Brownell-Talbot High School, Omaha, Nebraska, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1998 VV7 = 2000 EM145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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