🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.9

Radius: 11.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.36 AU - 1.4 AU

Year: 1047 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,710,776 km

• M1: 138,079 km (0.11 R)
• M2: 542,741 km (0.09 R)
• M3: 1,036,115 km (0.029 R)
• M4: 1,555,967 km (0.053 R)
• M5: 2,182,334 km (0.069 R)
• M6: 3,174,616 km (0.065 R)
• M7: 6,118,852 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.1

Radius: 9.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.79 AU - 1.93 AU

Year: 1638 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,710,776 km

• M1: 121,025 km (0.1 R)
• M2: 433,385 km (0.095 R)
• M3: 795,412 km (0.093 R)
• M4: 1,304,493 km (0.108 R)
• M5: 1,643,183 km (0.086 R)
• M6: 1,980,377 km (0.109 R)
• M7: 2,432,761 km (0.119 R)
• M8: 2,887,389 km (0.12 R)
• M9: 4,049,764 km (0.068 R)
• M10: 5,259,263 km (0.101 R)
• M11: 6,579,015 km (0.059 R)
• M12: 8,786,332 km (0.085 R)
• M13: 9,981,020 km (0.092 R)
• M14: 10,570,137 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 14.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.45 AU - 2.27 AU

Year: 1638 Days

Day: 11.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,710,776 km

• M1: 193,580 km (0.097 R)
• M2: 681,269 km (0.057 R)
• M3: 1,135,597 km (0.066 R)
• M4: 1,628,822 km (0.091 R)
• M5: 2,452,956 km (0.104 R)
• M6: 2,998,540 km (0.077 R)
• M7: 3,760,591 km (0.104 R)
• M8: 4,933,139 km (0.064 R)
• M9: 5,834,467 km (0.102 R)
• M10: 7,652,679 km (0.115 R)
• M11: 9,048,577 km (0.102 R)
• M12: 9,658,936 km (0.051 R)
• M13: 10,262,264 km (0.109 R)
• M14: 11,360,612 km (0.091 R)
• M15: 12,931,838 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 13.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.86 AU - 2.64 AU

Year: 2179 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,710,776 km

• M1: 166,652 km (0.12 R)
• M2: 1,002,455 km (0.103 R)
• M3: 1,420,581 km (0.106 R)
• M4: 3,002,878 km (0.115 R)
• M5: 4,074,148 km (0.051 R)
• M6: 4,531,469 km (0.091 R)
• M7: 5,316,858 km (0.084 R)
• M8: 5,963,869 km (0.094 R)
• M9: 6,743,872 km (0.027 R)
• M10: 7,445,037 km (0.116 R)
• M11: 8,040,586 km (0.12 R)
• M12: 8,732,177 km (0.091 R)
• M13: 9,429,004 km (0.066 R)
• M14: 11,161,647 km (0.054 R)
• M15: 11,823,468 km (0.072 R)
• M16: 12,635,485 km (0.075 R)
• M17: 13,225,798 km (0.095 R)
• M18: 15,438,201 km (0.103 R)
• M19: 16,959,312 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 13.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.14 AU - 2.98 AU

Year: 2645 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,710,776 km

• M1: 167,550 km (0.038 R)
• M2: 587,920 km (0.029 R)
• M3: 1,636,002 km (0.117 R)
• M4: 2,267,305 km (0.082 R)
• M5: 2,828,148 km (0.085 R)
• M6: 3,335,434 km (0.096 R)
• M7: 4,106,910 km (0.089 R)
• M8: 5,186,558 km (0.116 R)
• M9: 6,086,988 km (0.068 R)
• M10: 7,551,401 km (0.119 R)
• M11: 8,400,220 km (0.067 R)
• M12: 9,420,926 km (0.114 R)
• M13: 10,171,907 km (0.1 R)
• M14: 10,921,991 km (0.094 R)
• M15: 12,312,354 km (0.106 R)
• M16: 13,817,458 km (0.093 R)
• M17: 14,345,538 km (0.065 R)
• M18: 16,327,261 km (0.044 R)
• M19: 17,745,898 km (0.061 R)
• M20: 19,245,317 km (0.119 R)
• M21: 20,702,999 km (0.106 R)
• M22: 21,268,180 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 14.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.18 AU - 5.18 AU

Year: 5518 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,710,776 km

• M1: 183,407 km (0.101 R)
• M2: 809,175 km (0.101 R)
• M3: 1,329,626 km (0.075 R)
• M4: 2,107,684 km (0.093 R)
• M5: 3,061,969 km (0.112 R)
• M6: 4,456,820 km (0.05 R)
• M7: 5,562,647 km (0.094 R)
• M8: 6,428,071 km (0.055 R)
• M9: 7,143,149 km (0.055 R)
• M10: 8,240,599 km (0.111 R)
• M11: 9,045,884 km (0.097 R)
• M12: 10,460,631 km (0.047 R)
• M13: 15,137,360 km (0.104 R)
• M14: 19,884,699 km (0.088 R)
• M15: 20,360,270 km (0.095 R)
• M16: 21,405,062 km (0.043 R)
• M17: 22,266,297 km (0.117 R)
• M18: 23,300,168 km (0.094 R)
• M19: 27,255,535 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.1

Radius: 3.4

Gravity: 63.42 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.63 AU - 7.49 AU

Year: 12112 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,710,776 km

• M1: 43,084 km (0.102 R)
• M2: 283,338 km (0.097 R)
• M3: 508,034 km (0.109 R)
• M4: 651,349 km (0.068 R)
• M5: 764,744 km (0.117 R)
• M6: 901,776 km (0.106 R)
• M7: 1,277,416 km (0.099 R)
• M8: 1,782,309 km (0.046 R)
• M9: 2,368,284 km (0.109 R)
• M10: 2,596,570 km (0.085 R)
• M11: 3,169,829 km (0.055 R)
• M12: 3,767,772 km (0.108 R)
• M13: 4,499,306 km (0.112 R)
• M14: 4,656,234 km (0.115 R)
• M15: 8,097,733 km (0.065 R)
• M16: 9,053,813 km (0.11 R)
• M17: 9,253,675 km (0.071 R)
• M18: 10,903,890 km (0.085 R)
• M19: 12,247,877 km (0.091 R)
• M20: 12,430,985 km (0.104 R)
• M21: 14,161,832 km (0.034 R)
• M22: 14,980,132 km (0.062 R)
• M23: 15,400,951 km (0.081 R)
• M24: 20,305,368 km (0.11 R)
• M25: 24,000,286 km (0.08 R)
• M26: 25,259,301 km (0.08 R)
• M27: 27,593,327 km (0.099 R)
• M28: 27,908,081 km (0.114 R)
• M29: 31,187,416 km (0.1 R)
• M30: 31,528,948 km (0.079 R)
• M31: 32,802,176 km (0.087 R)
• M32: 37,720,804 km (0.114 R)
• M33: 42,269,626 km (0.052 R)
• M34: 42,827,776 km (0.116 R)
• M35: 45,109,144 km (0.11 R)
• M36: 52,919,648 km (0.072 R)
• M37: 53,243,079 km (0.096 R)
• M38: 55,211,189 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 12,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit