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30618 (3084 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04343148472983575 3.6767e-08  
a 2.388652039522185 7.4203e-09 au
q 2.284909334942786 8.8232e-08 au
i 5.941318105309783 3.353e-06 deg
node 236.0440140496403 3.7416e-05 deg
peri 268.9376188896981 5.4123e-05 deg
M 30.78141651581897 3.892e-05 deg
tp 2459281.204100424291
(2021-Mar-07.70410042)
0.00014579 TDB
period 1348.42799797483
3.69
6.2833e-06
1.72e-08
d
yr
n .2669775475892483 1.244e-09 deg/d
Q 2.492394744101584 7.7426e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      22169 days (60.70 yr)  
   first obs. used      1960-09-25  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:20  

Additional Information
 Earth MOID = 1.30644 au 
 Jupiter MOID = 2.5145 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04253355313981346 3.6918e-08  
q 2.287170972042412 8.851e-08 au
tp 2457935.142107969422
(2017-Jun-30.64210797)
0.00014881 TDB
node 236.067117905551 3.7429e-05 deg
peri 269.5598169724104 5.4641e-05 deg
i 5.939473633136162 3.3534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      22169 days (60.70 yr)  
   first obs. used      1960-09-25  
   last obs. used      2021-06-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48199  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:49:20  

Additional Information
 Jupiter MOID = 2.5145 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.36292322974248E-15 -3.257092686576194E-15 1.187343315416556E-12 1.214752020555202E-14 3.338950178750579E-13 -6.735325100866906E-16
q -3.257092686576194E-15 7.834011231496809E-15 -2.913199514957284E-12 -2.923522065071883E-14 -8.228411329216903E-13 1.706568203475691E-15
tp 1.187343315416556E-12 -2.913199514957284E-12 2.21431963690779E-8 2.292364652074372E-11 5.939122268268217E-9 1.806054991321672E-12
node 1.214752020555202E-14 -2.923522065071883E-14 2.292364652074372E-11 1.400903405380618E-9 -1.386873524084527E-9 -2.345144767486447E-11
peri 3.338950178750579E-13 -8.228411329216903E-13 5.939122268268217E-9 -1.386873524084527E-9 2.985690846230772E-9 2.379267299590178E-11
i -6.735325100866906E-16 1.706568203475691E-15 1.806054991321672E-12 -2.345144767486447E-11 2.379267299590178E-11 1.124512496232431E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.80   n/a MPCxxxxx  
diameter diameter 2.657 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30618 (3084 P-L)          Discovered 1960-Sep-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3084 P-L = 1981 JO3 = 1997 SK13 = 1999 FP35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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