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34845 (2001 SN278)
Classification: Outer Main-belt Asteroid          SPK-ID: 2034845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223931574510971 3.9108e-08  
a 3.234093773669598 2.415e-08 au
q 2.838262825217242 1.2476e-07 au
i 14.63748706705763 5.7182e-06 deg
node 230.6687007544456 1.9338e-05 deg
peri 73.32877556129505 3.2094e-05 deg
M 82.90789753959977 2.5033e-05 deg
tp 2458111.261370938872
(2017-Dec-23.76137094)
0.00014774 TDB
period 2124.356203555663
5.82
2.3795e-05
6.515e-08
d
yr
n .1694631057623228 1.8982e-09 deg/d
Q 3.629924722121953 2.7106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      15619 days (42.76 yr)  
   first obs. used      1976-05-02  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:44:03  

Additional Information
 Earth MOID = 1.86639 au 
 Jupiter MOID = 1.65235 au 
 T_jup = 3.123 
[ 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 MPO319510  
diameter diameter 10.927 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34845 (2001 SN278)          Discovered 2001-Sep-21 by LONEOS at Anderson Mesa
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 SN278 = 1976 JO8 = 1999 JN18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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