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2558 Viv (1981 SP1)
Classification: Main-belt Asteroid          SPK-ID: 2002558
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563956624391246 6.0458e-08  
a 2.215547968825574 1.1565e-08 AU
q 1.869045876575442 1.3593e-07 AU
i 5.151153400407276 7.0768e-06 deg
node 46.19069618267891 6.373e-05 deg
peri 282.1476121201121 6.9293e-05 deg
M 235.6906485311962 3.2067e-05 deg
tp 2456816.431165352849
(2014-Jun-07.93116535)		 0.00010898 JED
period 1204.537050171987
3.30		 9.4318e-06
2.582e-08		 d
yr
n .2988700098088292 2.3402e-09 deg/d
Q 2.562050061075707 1.3374e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      21979 days (60.18 yr)  
   first obs. used      1953-02-15  
   last obs. used      2013-04-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .54052  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 12:52:46  

Additional Information
 Earth MOID = .866051 AU 
 T_jup = 3.632 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a PDS3 (MPC 17266)  

2558 Viv (1981 SP1)          Discovered 1981-Sep-26 by Thomas, N. G. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 SP1 = 1968 UR1 = 1971 QH1 = 1977 JH = 1978 VS7 = 1981 TN4 = A915 TC 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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