🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 12.2

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.29 AU - 2.11 AU

Year: 1431 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,160,637 km

• M1: 152,590 km (0.039 R)
• M2: 885,021 km (0.031 R)
• M3: 1,989,502 km (0.089 R)
• M4: 2,422,738 km (0.086 R)
• M5: 3,783,629 km (0.045 R)
• M6: 4,543,138 km (0.112 R)
• M7: 8,021,737 km (0.116 R)
• M8: 8,797,402 km (0.087 R)
• M9: 10,039,064 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.35 AU - 2.25 AU

Year: 1559 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,160,637 km

• M1: 155,283 km (0.084 R)
• M2: 560,244 km (0.059 R)
• M3: 1,020,706 km (0.034 R)
• M4: 1,485,357 km (0.05 R)
• M5: 2,309,193 km (0.066 R)
• M6: 2,750,656 km (0.116 R)
• M7: 3,527,967 km (0.114 R)
• M8: 4,047,520 km (0.11 R)
• M9: 5,095,603 km (0.092 R)
• M10: 5,874,559 km (0.077 R)
• M11: 6,607,439 km (0.12 R)
• M12: 8,227,284 km (0.076 R)
• M13: 8,872,051 km (0.088 R)
• M14: 9,581,893 km (0.082 R)
• M15: 10,396,154 km (0.068 R)
• M16: 10,803,061 km (0.088 R)
• M17: 11,397,712 km (0.111 R)
• M18: 12,883,518 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 10.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.1 AU - 3.44 AU

Year: 3818 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,160,637 km

• M1: 126,859 km (0.103 R)
• M2: 537,056 km (0.085 R)
• M3: 877,242 km (0.11 R)
• M4: 1,405,921 km (0.116 R)
• M5: 1,779,018 km (0.046 R)
• M6: 3,335,584 km (0.084 R)
• M7: 4,049,764 km (0.113 R)
• M8: 4,610,457 km (0.106 R)
• M9: 5,370,863 km (0.103 R)
• M10: 6,130,072 km (0.083 R)
• M11: 6,464,573 km (0.114 R)
• M12: 7,109,639 km (0.082 R)
• M13: 8,123,763 km (0.114 R)
• M14: 9,304,240 km (0.103 R)
• M15: 10,126,729 km (0.067 R)
• M16: 10,754,741 km (0.046 R)
• M17: 11,450,371 km (0.079 R)
• M18: 12,132,088 km (0.093 R)
• M19: 13,529,931 km (0.067 R)
• M20: 14,340,601 km (0.049 R)
• M21: 16,535,501 km (0.1 R)
• M22: 16,967,241 km (0.104 R)
• M23: 17,461,961 km (0.119 R)
• M24: 20,020,533 km (0.101 R)
• M25: 20,449,431 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.8

Radius: 5.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.06 AU - 12.1 AU

Year: 22220 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,160,637 km

• M1: 73,453 km (0.07 R)
• M2: 277,803 km (0.064 R)
• M3: 1,150,856 km (0.049 R)
• M4: 2,103,196 km (0.112 R)
• M5: 3,120,612 km (0.103 R)
• M6: 3,709,728 km (0.053 R)
• M7: 5,005,844 km (0.069 R)
• M8: 6,658,601 km (0.042 R)
• M9: 10,938,148 km (0.071 R)
• M10: 14,541,212 km (0.074 R)
• M11: 16,757,953 km (0.107 R)
• M12: 17,287,979 km (0.109 R)
• M13: 24,451,024 km (0.089 R)
• M14: 25,034,456 km (0.071 R)
• M15: 28,091,937 km (0.095 R)
• M16: 29,490,827 km (0.091 R)
• M17: 34,691,447 km (0.075 R)
• M18: 35,800,117 km (0.08 R)
• M19: 36,174,860 km (0.097 R)
• M20: 37,958,365 km (0.05 R)
• M21: 38,871,810 km (0.087 R)
• M22: 40,336,523 km (0.093 R)
• M23: 41,014,351 km (0.057 R)
• M24: 42,253,470 km (0.089 R)
• M25: 51,001,205 km (0.104 R)
• M26: 51,953,097 km (0.105 R)
• M27: 52,916,806 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.7

Radius: 7

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 10.17 AU - 12.09 AU

Year: 23975 Days

Day: 22.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,160,637 km

• M1: 89,609 km (0.081 R)
• M2: 457,321 km (0.04 R)
• M3: 863,030 km (0.106 R)
• M4: 1,087,427 km (0.103 R)
• M5: 1,412,353 km (0.073 R)
• M6: 2,091,378 km (0.054 R)
• M7: 2,550,644 km (0.043 R)
• M8: 3,463,191 km (0.114 R)
• M9: 5,159,032 km (0.103 R)
• M10: 5,996,182 km (0.087 R)
• M11: 8,401,566 km (0.08 R)
• M12: 9,613,907 km (0.035 R)
• M13: 11,192,015 km (0.113 R)
• M14: 11,710,372 km (0.117 R)
• M15: 13,005,889 km (0.041 R)
• M16: 13,290,275 km (0.088 R)
• M17: 15,637,465 km (0.113 R)
• M18: 18,604,290 km (0.114 R)
• M19: 20,077,680 km (0.076 R)
• M20: 22,127,320 km (0.116 R)
• M21: 23,991,759 km (0.098 R)
• M22: 28,865,059 km (0.037 R)
• M23: 29,716,271 km (0.116 R)
• M24: 40,814,937 km (0.119 R)
• M25: 41,119,219 km (0.119 R)
• M26: 44,246,263 km (0.06 R)
• M27: 46,527,032 km (0.11 R)
• M28: 49,919,613 km (0.117 R)
• M29: 53,473,609 km (0.12 R)
• M30: 63,088,863 km (0.076 R)
• M31: 63,904,470 km (0.117 R)
• M32: 77,926,578 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit