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25021 Nischaykumar (1998 QV17)
Classification: Main-belt Asteroid          SPK-ID: 2025021
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006196604670703 3.7049e-08  
a 2.318168242464261 8.361e-09 au
q 2.084914941001962 8.5366e-08 au
i 3.784404027380636 4.5334e-06 deg
node 188.5620349145835 5.9831e-05 deg
peri 108.4086175256107 6.3677e-05 deg
M 143.3611081612669 2.1757e-05 deg
tp 2458687.113193694402
(2019-Jul-22.61319369)
7.7603e-05 TDB
period 1289.186813916868
3.53
6.9746e-06
1.91e-08
d
yr
n .2792457975165222 1.5107e-09 deg/d
Q 2.55142154392656 9.2023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      15837 days (43.36 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54976  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:52:46  

Additional Information
 Earth MOID = 1.07098 au 
 Jupiter MOID = 2.59815 au 
 T_jup = 3.570 
[ 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 15.73   n/a MPCxxxxx  
diameter diameter 2.151 km 0.521 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.5344 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
geometric albedo albedo 0.167   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

25021 Nischaykumar           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Nischay Kumar (b. 1990) was awarded second place in the 2008 Intel International Science and Engineering Fair for his physics and astronomy team project. He attends the Townsend Harris High School, Flushing, New York, 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: 20080917/MPCPages.arcLast Updated: 2008-09-19

Alternate Designations
 1998 QV17 = 1977 RH14 = 1997 GO26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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