🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 12.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 10.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,027,345 km

• M1: 160,967 km (0.093 R)
• M2: 563,386 km (0.098 R)
• M3: 1,324,390 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 14.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.13 AU - 1.35 AU

Year: 937 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,027,345 km

• M1: 180,265 km (0.094 R)
• M2: 1,261,858 km (0.12 R)
• M3: 1,960,031 km (0.081 R)
• M4: 2,849,989 km (0.092 R)
• M5: 3,683,848 km (0.111 R)
• M6: 4,326,520 km (0.104 R)
• M7: 4,924,014 km (0.027 R)
• M8: 6,127,828 km (0.099 R)
• M9: 6,884,045 km (0.104 R)
• M10: 7,452,068 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 14.1

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.23 AU - 1.59 AU

Year: 1136 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,027,345 km

• M1: 175,478 km (0.084 R)
• M2: 636,838 km (0.1 R)
• M3: 1,280,707 km (0.099 R)
• M4: 2,099,157 km (0.041 R)
• M5: 3,425,791 km (0.053 R)
• M6: 4,134,137 km (0.036 R)
• M7: 4,618,685 km (0.085 R)
• M8: 5,067,029 km (0.096 R)
• M9: 5,763,856 km (0.087 R)
• M10: 7,714,463 km (0.105 R)
• M11: 9,664,322 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 12.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.35 AU - 2.09 AU

Year: 1530 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,027,345 km

• M1: 156,629 km (0.095 R)
• M2: 696,228 km (0.096 R)
• M3: 1,197,681 km (0.077 R)
• M4: 1,841,999 km (0.087 R)
• M5: 2,407,329 km (0.066 R)
• M6: 2,850,887 km (0.045 R)
• M7: 3,322,270 km (0.097 R)
• M8: 4,167,049 km (0.092 R)
• M9: 5,059,699 km (0.046 R)
• M10: 5,775,226 km (0.103 R)
• M11: 7,177,706 km (0.057 R)
• M12: 8,007,974 km (0.032 R)
• M13: 8,459,311 km (0.109 R)
• M14: 8,874,894 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 10.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.71 AU - 1.81 AU

Year: 1584 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,027,345 km

• M1: 126,859 km (0.065 R)
• M2: 589,266 km (0.066 R)
• M3: 923,468 km (0.058 R)
• M4: 1,339,200 km (0.056 R)
• M5: 2,283,761 km (0.114 R)
• M6: 2,815,432 km (0.101 R)
• M7: 3,194,214 km (0.083 R)
• M8: 4,274,310 km (0.1 R)
• M9: 4,637,833 km (0.054 R)
• M10: 5,126,569 km (0.077 R)
• M11: 5,854,363 km (0.097 R)
• M12: 7,848,353 km (0.084 R)
• M13: 8,454,524 km (0.063 R)
• M14: 9,566,335 km (0.083 R)
• M15: 10,057,315 km (0.116 R)
• M16: 10,668,572 km (0.117 R)
• M17: 11,521,878 km (0.099 R)
• M18: 12,574,299 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.8

Radius: 14.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.16 AU - 3.3 AU

Year: 3937 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,027,345 km

• M1: 185,501 km (0.098 R)
• M2: 653,593 km (0.101 R)
• M3: 1,168,808 km (0.095 R)
• M4: 1,661,883 km (0.115 R)
• M5: 2,178,145 km (0.097 R)
• M6: 3,149,185 km (0.106 R)
• M7: 3,998,452 km (0.116 R)
• M8: 5,290,529 km (0.113 R)
• M9: 7,729,872 km (0.068 R)
• M10: 8,199,758 km (0.083 R)
• M11: 10,018,569 km (0.033 R)
• M12: 12,335,242 km (0.109 R)
• M13: 15,495,198 km (0.102 R)
• M14: 16,898,725 km (0.059 R)
• M15: 17,755,622 km (0.104 R)
• M16: 18,641,391 km (0.096 R)
• M17: 19,689,473 km (0.109 R)
• M18: 20,984,841 km (0.106 R)
• M19: 22,119,092 km (0.101 R)
• M20: 23,443,632 km (0.05 R)
• M21: 25,133,489 km (0.11 R)
• M22: 26,250,387 km (0.061 R)
• M23: 27,068,388 km (0.097 R)
• M24: 28,927,441 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.9

Radius: 7.5

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.44 AU - 7.18 AU

Year: 12053 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,027,345 km

• M1: 93,199 km (0.105 R)
• M2: 336,446 km (0.082 R)
• M3: 604,974 km (0.095 R)
• M4: 1,167,462 km (0.032 R)
• M5: 1,475,185 km (0.032 R)
• M6: 2,653,417 km (0.098 R)
• M7: 3,511,062 km (0.065 R)
• M8: 5,549,483 km (0.074 R)
• M9: 6,013,984 km (0.078 R)
• M10: 6,503,917 km (0.103 R)
• M11: 8,500,001 km (0.041 R)
• M12: 8,828,818 km (0.105 R)
• M13: 9,214,780 km (0.109 R)
• M14: 10,229,353 km (0.078 R)
• M15: 11,429,128 km (0.104 R)
• M16: 11,887,944 km (0.052 R)
• M17: 12,903,415 km (0.065 R)
• M18: 15,106,243 km (0.104 R)
• M19: 17,099,037 km (0.108 R)
• M20: 17,623,527 km (0.111 R)
• M21: 18,391,113 km (0.108 R)
• M22: 26,035,565 km (0.086 R)
• M23: 26,629,618 km (0.089 R)
• M24: 27,639,852 km (0.09 R)
• M25: 28,570,650 km (0.1 R)
• M26: 32,162,645 km (0.063 R)
• M27: 33,890,500 km (0.092 R)
• M28: 34,836,856 km (0.101 R)
• M29: 41,556,793 km (0.109 R)
• M30: 42,504,196 km (0.104 R)
• M31: 45,148,338 km (0.036 R)
• M32: 47,165,366 km (0.106 R)
• M33: 49,241,785 km (0.069 R)

Asteroid Belt

Center: 7.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.9

Radius: 4.6

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.72 AU - 10.22 AU

Year: 16719 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,027,345 km

• M1: 57,296 km (0.103 R)
• M2: 247,584 km (0.065 R)
• M3: 393,442 km (0.065 R)
• M4: 606,320 km (0.105 R)
• M5: 794,963 km (0.059 R)
• M6: 1,878,500 km (0.112 R)
• M7: 3,854,090 km (0.111 R)
• M8: 4,564,231 km (0.065 R)
• M9: 5,520,610 km (0.093 R)
• M10: 9,412,997 km (0.119 R)
• M11: 11,422,396 km (0.084 R)
• M12: 23,511,400 km (0.107 R)
• M13: 29,211,827 km (0.112 R)
• M14: 32,973,764 km (0.078 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: 400 - 13,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit