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JPL Small-Body Database Browser
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843 Nicolaia (A916 SO)
Classification: Main-belt Asteroid          SPK-ID: 2000843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095417703707136 3.9731e-08  
a 2.279135272017807 5.6084e-09 au
q 1.801561232204857 9.1433e-08 au
i 7.997746933802641 4.8868e-06 deg
node 4.057467285040453 2.6369e-05 deg
peri 317.0100941455167 2.7948e-05 deg
M 72.52286962880021 9.3229e-06 deg
tp 2458747.321944615424
(2019-Sep-20.82194462)
3.2401e-05 TDB
period 1256.763561686925
3.44
4.6389e-06
1.27e-08
d
yr
n .2864500618690601 1.0573e-09 deg/d
Q 2.756709311830756 6.7836e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1872  
   data-arc span      37719 days (103.27 yr)  
   first obs. used      1916-09-30  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:42:33  

Additional Information
 Earth MOID = .799226 au 
 Jupiter MOID = 2.59573 au 
 T_jup = 3.565 
[ 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 13.8   n/a MPO279521  

843 Nicolaia (A916 SO)          Discovered 1916-Sep-30 by Thiele, H. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 SO = 1978 RS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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