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152767 (1999 NP12)
Classification: Main-belt Asteroid          SPK-ID: 2152767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2536037023525124 3.339e-08  
a 2.560638081112335 1.4982e-08 au
q 1.911250783357414 8.0993e-08 au
i 12.25789855741475 3.7661e-06 deg
node 267.1941148675436 4.7319e-05 deg
peri 3.366798339756476 5.2962e-05 deg
M 83.63033439045081 2.487e-05 deg
tp 2458852.818118447720
(2020-Jan-04.31811845)
0.0001023 TDB
period 1496.651642865037
4.10
1.3135e-05
3.596e-08
d
yr
n .2405369357099376 2.111e-09 deg/d
Q 3.210025378867257 1.8782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      12158 days (33.29 yr)  
   first obs. used      1987-08-26  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:35  

Additional Information
 Earth MOID = .893456 au 
 Jupiter MOID = 1.90975 au 
 T_jup = 3.358 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.83   n/a E2021B55  

152767 (1999 NP12)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1999 NP12 = 1987 QN6 = 2003 KM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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