🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 13.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.91 AU - 0.93 AU

Year: 570 Days

Day: 12.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,817,892 km

• M1: 166,652 km (0.102 R)
• M2: 672,293 km (0.078 R)
• M3: 1,094,308 km (0.11 R)
• M4: 1,534,575 km (0.088 R)
• M5: 2,306,650 km (0.109 R)
• M6: 3,325,411 km (0.082 R)
• M7: 3,787,369 km (0.085 R)
• M8: 4,305,726 km (0.073 R)
• M9: 5,172,496 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 12.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.97 AU - 1.51 AU

Year: 892 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,817,892 km

• M1: 150,495 km (0.059 R)
• M2: 734,226 km (0.096 R)
• M3: 1,243,158 km (0.102 R)
• M4: 1,623,885 km (0.088 R)
• M5: 2,205,222 km (0.118 R)
• M6: 2,992,556 km (0.115 R)
• M7: 3,571,051 km (0.112 R)
• M8: 3,959,108 km (0.119 R)
• M9: 4,421,664 km (0.106 R)
• M10: 4,837,247 km (0.086 R)
• M11: 5,438,182 km (0.099 R)
• M12: 7,279,582 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 11.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.81 AU - 1.95 AU

Year: 1664 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 170.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,817,892 km

• M1: 140,472 km (0.099 R)
• M2: 501,751 km (0.086 R)
• M3: 1,125,574 km (0.075 R)
• M4: 1,660,686 km (0.091 R)
• M5: 2,870,185 km (0.099 R)
• M6: 3,329,151 km (0.109 R)
• M7: 4,412,240 km (0.04 R)
• M8: 4,763,795 km (0.109 R)
• M9: 5,243,555 km (0.104 R)
• M10: 6,510,799 km (0.116 R)
• M11: 7,682,898 km (0.083 R)
• M12: 8,624,616 km (0.059 R)

Asteroid Belt

Center: 3.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 12.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.86 AU - 5.06 AU

Year: 7132 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,817,892 km

• M1: 162,014 km (0.108 R)
• M2: 727,943 km (0.083 R)
• M3: 1,323,492 km (0.078 R)
• M4: 4,922,817 km (0.095 R)
• M5: 6,948,223 km (0.086 R)
• M6: 8,374,040 km (0.079 R)
• M7: 9,907,119 km (0.079 R)
• M8: 11,444,536 km (0.079 R)
• M9: 12,945,302 km (0.068 R)
• M10: 14,066,239 km (0.117 R)
• M11: 17,122,224 km (0.099 R)
• M12: 21,783,993 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.7

Radius: 6.1

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.14 AU - 7.42 AU

Year: 11399 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,817,892 km

• M1: 89,011 km (0.08 R)
• M2: 360,680 km (0.061 R)
• M3: 1,116,449 km (0.119 R)
• M4: 2,108,133 km (0.109 R)
• M5: 2,372,921 km (0.098 R)
• M6: 4,098,234 km (0.037 R)
• M7: 4,598,190 km (0.074 R)
• M8: 5,358,895 km (0.072 R)
• M9: 6,415,056 km (0.062 R)
• M10: 9,067,426 km (0.107 R)
• M11: 10,257,477 km (0.061 R)
• M12: 16,743,891 km (0.111 R)
• M13: 20,351,594 km (0.117 R)
• M14: 23,396,509 km (0.047 R)
• M15: 28,463,538 km (0.041 R)
• M16: 30,679,831 km (0.114 R)
• M17: 31,829,939 km (0.073 R)
• M18: 41,072,694 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.4

Radius: 4.6

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.12 AU - 13.12 AU

Year: 22346 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,817,892 km

• M1: 57,146 km (0.041 R)
• M2: 831,465 km (0.094 R)
• M3: 1,203,066 km (0.086 R)
• M4: 1,434,644 km (0.096 R)
• M5: 1,783,057 km (0.055 R)
• M6: 1,986,959 km (0.046 R)
• M7: 2,144,934 km (0.036 R)
• M8: 2,463,877 km (0.067 R)
• M9: 2,789,551 km (0.12 R)
• M10: 3,117,171 km (0.076 R)
• M11: 3,554,894 km (0.075 R)
• M12: 3,909,441 km (0.109 R)
• M13: 4,190,386 km (0.053 R)
• M14: 4,863,128 km (0.032 R)
• M15: 5,262,404 km (0.052 R)
• M16: 5,566,238 km (0.115 R)
• M17: 7,545,417 km (0.054 R)
• M18: 9,388,613 km (0.075 R)
• M19: 10,006,751 km (0.034 R)
• M20: 10,532,288 km (0.054 R)
• M21: 12,617,533 km (0.108 R)
• M22: 13,024,140 km (0.116 R)
• M23: 13,863,534 km (0.106 R)
• M24: 18,781,115 km (0.115 R)
• M25: 20,032,950 km (0.095 R)
• M26: 22,110,864 km (0.093 R)
• M27: 24,120,712 km (0.085 R)
• M28: 24,746,629 km (0.078 R)
• M29: 25,597,841 km (0.089 R)
• M30: 29,081,228 km (0.096 R)
• M31: 33,250,820 km (0.05 R)
• M32: 39,072,421 km (0.103 R)
• M33: 44,595,574 km (0.108 R)
• M34: 45,379,766 km (0.061 R)
• M35: 46,653,293 km (0.048 R)
• M36: 47,461,271 km (0.097 R)
• M37: 53,556,337 km (0.08 R)
• M38: 64,638,547 km (0.071 R)
• M39: 67,065,174 km (0.078 R)
• M40: 67,270,123 km (0.103 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: 257 - 10,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit