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JPL Small-Body Database Browser
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95998 (2004 NP17)
Classification: Main-belt Asteroid          SPK-ID: 2095998
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1780775126060626 5.7737e-08  
a 3.011070409791373 2.9101e-08 au
q 2.474866480934007 1.7123e-07 au
i 12.4892358067485 6.0741e-06 deg
node 145.8263151924297 2.8017e-05 deg
peri 259.8874264539353 3.4983e-05 deg
M 298.552994716808 1.7642e-05 deg
tp 2459326.245192072458
(2021-Apr-21.74519207)
9.3898e-05 TDB
period 1908.445637108404
5.23
2.7667e-05
7.575e-08
d
yr
n .1886351871911095 2.7347e-09 deg/d
Q 3.547274338648737 3.4284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      1999-08-22  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5855  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:06:26  

Additional Information
 Earth MOID = 1.52071 au 
 Jupiter MOID = 2.04129 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456508.5 (2013-Aug-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819357389763369 5.9949e-08  
q 2.461840391051315 1.7993e-07 au
tp 2457407.667723805562
(2016-Jan-20.16772381)
8.7844e-05 TDB
node 146.3558374324089 2.8057e-05 deg
peri 257.9526364352803 3.4272e-05 deg
i 12.47543222383422 6.0858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      1999-08-22  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5855  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 05:06:26  

Additional Information
 Jupiter MOID = 2.04129 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.593901641979539E-15 -1.070404549971374E-14 -2.519502216342405E-12 1.929385964836448E-14 -6.277085461763913E-13 -1.350152385950861E-14
q -1.070404549971374E-14 3.237403175519808E-14 7.47434853137552E-12 -5.985373818754305E-14 1.809918074411114E-12 4.175763303343371E-14
tp -2.519502216342405E-12 7.47434853137552E-12 7.716542090625311E-9 -3.086503753802621E-11 1.759136801571311E-9 1.452723917477904E-11
node 1.929385964836448E-14 -5.985373818754305E-14 -3.086503753802621E-11 7.872115130697532E-10 -7.753073285763153E-10 5.825676288270017E-11
peri -6.277085461763913E-13 1.809918074411114E-12 1.759136801571311E-9 -7.753073285763153E-10 1.17459874927789E-9 -5.381624210550542E-11
i -1.350152385950861E-14 4.175763303343371E-14 1.452723917477904E-11 5.825676288270017E-11 -5.381624210550542E-11 3.703741870157423E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO449587  

95998 (2004 NP17)          Discovered 2004-Jul-11 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 2004 NP17 = 2003 KV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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