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46480 (1170 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2046480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438921323834339 2.9664e-08  
a 2.607459633769535 1.2035e-08 au
q 2.232266706962709 7.8145e-08 au
i 11.45546090073539 4.1954e-06 deg
node 187.1275120750785 1.7887e-05 deg
peri 253.6803512633209 2.3763e-05 deg
M 328.1667304242007 1.6524e-05 deg
tp 2459136.488932260425
(2020-Oct-13.98893226)
7.0924e-05 TDB
period 1537.888387404946
4.21
1.0647e-05
2.915e-08
d
yr
n .2340872087651751 1.6206e-09 deg/d
Q 2.982652560576361 1.3766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      18134 days (49.65 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:40  

Additional Information
 Earth MOID = 1.27852 au 
 Jupiter MOID = 2.35848 au 
 T_jup = 3.369 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457058.5 (2015-Feb-05.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423609469920773 2.9396e-08  
q 2.237363697398658 7.7313e-08 au
tp 2457594.363839012407
(2016-Jul-24.86383901)
6.9073e-05 TDB
node 187.2197455436076 1.7848e-05 deg
peri 252.8836567568319 2.3955e-05 deg
i 11.46430724684123 4.1998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1165  
   data-arc span      18134 days (49.65 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49296  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:40  

Additional Information
 Jupiter MOID = 2.35848 au 
 T_jup = 3.369 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.641469668343779E-16 -2.251986109135182E-15 3.08109328374715E-13 -7.838656701182903E-15 7.514242181797201E-14 9.232892573035456E-16
q -2.251986109135182E-15 5.977355557683855E-15 -6.306436176941851E-13 1.936818937125641E-14 -1.649659078364574E-13 -2.364631164180963E-15
tp 3.08109328374715E-13 -6.306436176941851E-13 4.771046087207795E-9 -1.704528001682898E-11 1.114891672164958E-9 -3.824567543075963E-12
node -7.838656701182903E-15 1.936818937125641E-14 -1.704528001682898E-11 3.185616617115607E-10 -3.156777220328749E-10 -1.56156132281516E-11
peri 7.514242181797201E-14 -1.649659078364574E-13 1.114891672164958E-9 -3.156777220328749E-10 5.73865361821236E-10 1.43803711576093E-11
i 9.232892573035456E-16 -2.364631164180963E-15 -3.824567543075963E-12 -1.56156132281516E-11 1.43803711576093E-11 1.763848942693758E-11

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 14.9   n/a MPO439410  

46480 (1170 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1170 T-2 = 1026 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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