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22799 (1999 NH21)
Classification: Main-belt Asteroid          SPK-ID: 2022799
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2092070378045658 4.3567e-08  
a 2.294284853883481 6.4503e-09 au
q 1.814304315722637 1.002e-07 au
i 7.337925344468335 3.5912e-06 deg
node 80.26348454958983 3.6605e-05 deg
peri 267.0003436879643 3.8061e-05 deg
M 22.53598377506716 8.4612e-06 deg
tp 2459121.040934246491
(2020-Sep-28.54093425)
2.9892e-05 TDB
period 1269.315063268329
3.48
5.3529e-06
1.466e-08
d
yr
n .2836175276081926 1.1961e-09 deg/d
Q 2.774265392044326 7.7997e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1996-12-01  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52056  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:12  

Additional Information
 Earth MOID = .823877 au 
 Jupiter MOID = 2.67422 au 
 T_jup = 3.556 
[ 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 15.70   n/a E2021B10  

22799 (1999 NH21)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NH21 = 1997 CM14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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