🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 9.1

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.88 AU - 1.14 AU

Year: 677 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,806,357 km

• M1: 113,694 km (0.038 R)
• M2: 415,284 km (0.08 R)
• M3: 748,289 km (0.099 R)
• M4: 1,087,427 km (0.093 R)
• M5: 1,439,730 km (0.1 R)
• M6: 2,307,547 km (0.073 R)
• M7: 2,922,394 km (0.101 R)
• M8: 3,210,071 km (0.112 R)
• M9: 3,503,133 km (0.112 R)
• M10: 4,268,177 km (0.043 R)
• M11: 4,894,543 km (0.11 R)
• M12: 5,320,897 km (0.046 R)
• M13: 6,580,062 km (0.069 R)
• M14: 7,279,432 km (0.109 R)
• M15: 7,931,230 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 13.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.86 AU - 1.32 AU

Year: 759 Days

Day: 11.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,806,357 km

• M1: 177,573 km (0.111 R)
• M2: 739,462 km (0.045 R)
• M3: 1,302,100 km (0.11 R)
• M4: 2,103,645 km (0.085 R)
• M5: 4,276,554 km (0.053 R)
• M6: 4,922,518 km (0.098 R)
• M7: 5,993,938 km (0.106 R)
• M8: 6,533,837 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.6

Radius: 9.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.35 AU - 1.91 AU

Year: 1388 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,806,357 km

• M1: 115,639 km (0.051 R)
• M2: 424,858 km (0.04 R)
• M3: 891,603 km (0.046 R)
• M4: 1,269,338 km (0.057 R)
• M5: 1,570,927 km (0.07 R)
• M6: 2,009,099 km (0.053 R)
• M7: 2,334,026 km (0.115 R)
• M8: 2,856,272 km (0.11 R)
• M9: 3,297,586 km (0.11 R)
• M10: 3,661,857 km (0.095 R)
• M11: 4,004,286 km (0.111 R)
• M12: 4,540,894 km (0.066 R)
• M13: 6,850,086 km (0.062 R)
• M14: 7,323,713 km (0.057 R)
• M15: 7,743,335 km (0.089 R)
• M16: 8,178,964 km (0.058 R)
• M17: 8,932,040 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 12.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.57 AU - 2.41 AU

Year: 1872 Days

Day: 13 Hours

Environment

Temp: -202 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,806,357 km

• M1: 153,039 km (0.105 R)
• M2: 591,809 km (0.11 R)
• M3: 1,000,511 km (0.105 R)
• M4: 1,434,644 km (0.091 R)
• M5: 2,341,655 km (0.099 R)
• M6: 2,780,725 km (0.083 R)
• M7: 3,380,613 km (0.117 R)
• M8: 4,609,709 km (0.032 R)
• M9: 4,999,411 km (0.039 R)
• M10: 6,256,183 km (0.064 R)
• M11: 6,710,661 km (0.102 R)
• M12: 7,161,699 km (0.07 R)
• M13: 8,096,835 km (0.098 R)
• M14: 9,081,488 km (0.105 R)
• M15: 9,791,779 km (0.081 R)
• M16: 10,571,932 km (0.105 R)
• M17: 11,114,972 km (0.111 R)
• M18: 12,666,751 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 13.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.45 AU - 2.97 AU

Year: 2975 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,806,357 km

• M1: 167,998 km (0.114 R)
• M2: 729,290 km (0.083 R)
• M3: 1,465,760 km (0.095 R)
• M4: 2,793,591 km (0.11 R)
• M5: 3,245,975 km (0.049 R)
• M6: 3,667,093 km (0.066 R)
• M7: 6,010,693 km (0.074 R)
• M8: 6,442,432 km (0.062 R)
• M9: 8,206,341 km (0.097 R)
• M10: 9,561,997 km (0.053 R)
• M11: 13,869,967 km (0.07 R)
• M12: 16,613,741 km (0.049 R)
• M13: 18,471,896 km (0.061 R)
• M14: 19,203,131 km (0.068 R)
• M15: 19,764,272 km (0.109 R)
• M16: 22,051,025 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 8.3

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.86 AU - 5.72 AU

Year: 6991 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,806,357 km

• M1: 103,223 km (0.109 R)
• M2: 433,235 km (0.081 R)
• M3: 1,079,498 km (0.098 R)
• M4: 1,477,429 km (0.116 R)
• M5: 1,849,030 km (0.118 R)
• M6: 2,114,416 km (0.076 R)
• M7: 2,405,384 km (0.07 R)
• M8: 3,330,497 km (0.076 R)
• M9: 3,606,954 km (0.061 R)
• M10: 4,259,201 km (0.117 R)
• M11: 5,444,615 km (0.111 R)
• M12: 6,406,529 km (0.064 R)
• M13: 6,836,174 km (0.118 R)
• M14: 7,133,126 km (0.088 R)
• M15: 7,873,186 km (0.074 R)
• M16: 9,189,348 km (0.107 R)
• M17: 9,643,528 km (0.118 R)
• M18: 11,096,572 km (0.032 R)
• M19: 17,745,000 km (0.087 R)
• M20: 20,598,729 km (0.075 R)
• M21: 22,336,458 km (0.116 R)
• M22: 23,491,952 km (0.091 R)
• M23: 25,831,962 km (0.099 R)
• M24: 26,828,433 km (0.042 R)
• M25: 31,172,756 km (0.115 R)
• M26: 31,477,935 km (0.094 R)
• M27: 37,894,786 km (0.096 R)
• M28: 39,654,955 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.9

Radius: 6.3

Gravity: 19.47 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.69 AU - 8.13 AU

Year: 13451 Days

Day: 21.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,806,357 km

• M1: 78,389 km (0.077 R)
• M2: 295,905 km (0.118 R)
• M3: 609,163 km (0.043 R)
• M4: 1,004,699 km (0.091 R)
• M5: 1,327,532 km (0.104 R)
• M6: 1,801,308 km (0.037 R)
• M7: 2,105,889 km (0.053 R)
• M8: 2,423,336 km (0.03 R)
• M9: 2,935,409 km (0.054 R)
• M10: 3,179,404 km (0.117 R)
• M11: 3,490,118 km (0.085 R)
• M12: 5,357,997 km (0.098 R)
• M13: 8,666,504 km (0.092 R)
• M14: 8,916,183 km (0.111 R)
• M15: 10,181,930 km (0.079 R)
• M16: 12,870,354 km (0.081 R)
• M17: 13,130,056 km (0.112 R)
• M18: 14,273,282 km (0.078 R)
• M19: 16,987,736 km (0.048 R)
• M20: 19,088,987 km (0.117 R)
• M21: 20,114,930 km (0.068 R)
• M22: 23,799,824 km (0.098 R)
• M23: 31,522,216 km (0.077 R)
• M24: 33,684,504 km (0.115 R)
• M25: 37,372,989 km (0.059 R)
• M26: 45,390,088 km (0.114 R)
• M27: 47,366,575 km (0.1 R)
• M28: 51,816,813 km (0.052 R)
• M29: 53,638,915 km (0.079 R)
• M30: 54,143,060 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 14,122 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit