🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 10.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.36 AU - 1.66 AU

Year: 1259 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,603,519 km

• M1: 126,859 km (0.038 R)
• M2: 449,392 km (0.052 R)
• M3: 803,191 km (0.08 R)
• M4: 1,158,187 km (0.082 R)
• M5: 1,557,912 km (0.101 R)
• M6: 1,976,337 km (0.068 R)
• M7: 2,409,274 km (0.119 R)
• M8: 3,156,066 km (0.06 R)
• M9: 3,623,410 km (0.082 R)
• M10: 4,474,173 km (0.099 R)
• M11: 5,686,365 km (0.055 R)
• M12: 6,037,770 km (0.057 R)
• M13: 6,521,270 km (0.108 R)
• M14: 7,937,513 km (0.078 R)
• M15: 10,078,558 km (0.112 R)
• M16: 10,431,609 km (0.112 R)
• M17: 10,959,989 km (0.095 R)
• M18: 11,367,942 km (0.086 R)
• M19: 11,891,984 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 9.4

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.41 AU - 2.13 AU

Year: 1597 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,603,519 km

• M1: 118,182 km (0.062 R)
• M2: 414,984 km (0.113 R)
• M3: 742,903 km (0.064 R)
• M4: 1,052,421 km (0.118 R)
• M5: 1,521,111 km (0.106 R)
• M6: 1,914,703 km (0.086 R)
• M7: 2,375,614 km (0.081 R)
• M8: 2,895,018 km (0.096 R)
• M9: 4,290,317 km (0.062 R)
• M10: 4,596,544 km (0.088 R)
• M11: 5,317,756 km (0.078 R)
• M12: 6,065,146 km (0.101 R)
• M13: 6,378,105 km (0.038 R)
• M14: 6,752,698 km (0.08 R)
• M15: 7,301,872 km (0.085 R)
• M16: 8,759,554 km (0.05 R)
• M17: 9,160,326 km (0.072 R)
• M18: 9,670,306 km (0.069 R)
• M19: 11,532,350 km (0.108 R)
• M20: 12,509,224 km (0.112 R)
• M21: 13,057,650 km (0.089 R)
• M22: 13,744,903 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.09 AU - 3.43 AU

Year: 3110 Days

Day: 11.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,603,519 km

• M1: 99,483 km (0.114 R)
• M2: 488,736 km (0.053 R)
• M3: 1,193,492 km (0.075 R)
• M4: 1,797,269 km (0.083 R)
• M5: 2,148,375 km (0.096 R)
• M6: 2,412,415 km (0.074 R)
• M7: 2,808,999 km (0.08 R)
• M8: 3,230,716 km (0.082 R)
• M9: 4,075,345 km (0.12 R)
• M10: 4,940,470 km (0.081 R)
• M11: 5,353,809 km (0.043 R)
• M12: 6,139,497 km (0.111 R)
• M13: 6,821,513 km (0.078 R)
• M14: 8,677,724 km (0.102 R)
• M15: 10,139,145 km (0.097 R)
• M16: 10,410,815 km (0.054 R)
• M17: 11,296,434 km (0.097 R)
• M18: 12,897,880 km (0.092 R)
• M19: 15,345,600 km (0.112 R)
• M20: 16,331,749 km (0.107 R)
• M21: 16,759,300 km (0.04 R)
• M22: 17,030,371 km (0.101 R)
• M23: 18,718,434 km (0.068 R)
• M24: 19,843,559 km (0.083 R)
• M25: 20,147,093 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 12.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.43 AU - 3.97 AU

Year: 4827 Days

Day: 12.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,603,519 km

• M1: 154,385 km (0.083 R)
• M2: 620,831 km (0.085 R)
• M3: 1,262,905 km (0.099 R)
• M4: 1,693,149 km (0.069 R)
• M5: 2,348,537 km (0.056 R)
• M6: 3,379,565 km (0.118 R)
• M7: 4,990,585 km (0.114 R)
• M8: 6,631,075 km (0.118 R)
• M9: 7,487,972 km (0.117 R)
• M10: 9,388,762 km (0.052 R)
• M11: 10,253,887 km (0.108 R)
• M12: 11,171,520 km (0.108 R)
• M13: 14,165,422 km (0.04 R)
• M14: 16,599,829 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 11.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.72 AU - 3.9 AU

Year: 5044 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 109.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,603,519 km

• M1: 148,251 km (0.111 R)
• M2: 1,400,535 km (0.082 R)
• M3: 2,669,724 km (0.082 R)
• M4: 3,473,962 km (0.101 R)
• M5: 4,755,118 km (0.098 R)
• M6: 5,888,471 km (0.116 R)
• M7: 6,278,772 km (0.106 R)
• M8: 7,470,768 km (0.1 R)
• M9: 8,467,239 km (0.117 R)
• M10: 9,517,117 km (0.081 R)
• M11: 11,683,295 km (0.089 R)
• M12: 12,145,402 km (0.063 R)
• M13: 13,147,110 km (0.106 R)
• M14: 14,030,635 km (0.067 R)
• M15: 14,421,085 km (0.062 R)
• M16: 14,908,325 km (0.101 R)
• M17: 15,269,455 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 14

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.84 AU - 6.02 AU

Year: 8582 Days

Day: 14.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,603,519 km

• M1: 175,777 km (0.099 R)
• M2: 722,707 km (0.084 R)
• M3: 1,630,467 km (0.071 R)
• M4: 3,415,020 km (0.097 R)
• M5: 4,170,489 km (0.083 R)
• M6: 5,062,242 km (0.092 R)
• M7: 5,715,087 km (0.116 R)
• M8: 6,916,658 km (0.111 R)
• M9: 7,364,554 km (0.102 R)
• M10: 8,865,918 km (0.062 R)
• M11: 13,555,063 km (0.079 R)
• M12: 14,314,272 km (0.105 R)
• M13: 17,511,628 km (0.072 R)
• M14: 19,276,882 km (0.117 R)
• M15: 20,943,104 km (0.108 R)
• M16: 21,446,650 km (0.099 R)
• M17: 21,958,424 km (0.076 R)
• M18: 23,082,353 km (0.065 R)
• M19: 24,008,962 km (0.067 R)
• M20: 24,799,737 km (0.109 R)
• M21: 27,022,312 km (0.116 R)
• M22: 30,096,997 km (0.077 R)
• M23: 30,738,772 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.8

Radius: 3.6

Gravity: 16.88 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.21 AU - 6.49 AU

Year: 10853 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,603,519 km

• M1: 46,824 km (0.085 R)
• M2: 1,343,987 km (0.076 R)
• M3: 1,852,620 km (0.087 R)
• M4: 4,036,300 km (0.069 R)
• M5: 5,074,210 km (0.078 R)
• M6: 7,070,444 km (0.091 R)
• M7: 7,472,264 km (0.115 R)
• M8: 8,201,703 km (0.098 R)
• M9: 8,644,962 km (0.081 R)
• M10: 9,318,152 km (0.053 R)
• M11: 11,007,262 km (0.064 R)
• M12: 15,155,461 km (0.093 R)
• M13: 19,450,117 km (0.089 R)
• M14: 23,117,209 km (0.12 R)
• M15: 25,830,466 km (0.108 R)
• M16: 27,485,168 km (0.082 R)
• M17: 30,144,869 km (0.111 R)
• M18: 30,620,141 km (0.088 R)
• M19: 30,907,668 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 12,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit