🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 11.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.45 AU - 0.73 AU

Year: 319 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,606,265 km

• M1: 144,063 km (0.083 R)
• M2: 512,672 km (0.06 R)
• M3: 911,799 km (0.076 R)
• M4: 1,269,338 km (0.088 R)
• M5: 1,629,420 km (0.102 R)
• M6: 2,066,695 km (0.1 R)
• M7: 2,925,985 km (0.031 R)
• M8: 3,454,664 km (0.094 R)
• M9: 3,813,848 km (0.078 R)
• M10: 4,353,747 km (0.11 R)
• M11: 4,732,379 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 13.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.5 AU - 0.8 AU

Year: 368 Days

Day: 14.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,606,265 km

• M1: 169,195 km (0.115 R)
• M2: 814,261 km (0.113 R)
• M3: 2,611,231 km (0.119 R)
• M4: 3,122,856 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.5

Radius: 12.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.77 AU - 1.17 AU

Year: 672 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,606,265 km

• M1: 155,432 km (0.1 R)
• M2: 551,717 km (0.111 R)
• M3: 1,332,917 km (0.11 R)
• M4: 2,398,054 km (0.032 R)
• M5: 2,964,731 km (0.055 R)
• M6: 3,693,571 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 8.3

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.9 AU - 1.1 AU

Year: 703 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,606,265 km

• M1: 103,223 km (0.1 R)
• M2: 391,348 km (0.093 R)
• M3: 668,852 km (0.072 R)
• M4: 991,684 km (0.046 R)
• M5: 1,633,908 km (0.109 R)
• M6: 2,105,141 km (0.072 R)
• M7: 2,590,736 km (0.106 R)
• M8: 2,882,901 km (0.054 R)
• M9: 3,306,861 km (0.054 R)
• M10: 3,826,265 km (0.085 R)
• M11: 4,235,864 km (0.078 R)
• M12: 4,643,219 km (0.092 R)
• M13: 5,277,813 km (0.116 R)
• M14: 5,607,227 km (0.091 R)
• M15: 6,423,284 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 14.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.26 AU - 1.3 AU

Year: 1018 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,606,265 km

• M1: 181,911 km (0.119 R)
• M2: 674,238 km (0.056 R)
• M3: 1,800,261 km (0.096 R)
• M4: 2,892,325 km (0.115 R)
• M5: 4,442,309 km (0.096 R)
• M6: 5,131,805 km (0.108 R)
• M7: 5,658,240 km (0.115 R)
• M8: 6,243,168 km (0.095 R)
• M9: 7,037,084 km (0.082 R)
• M10: 10,012,585 km (0.057 R)
• M11: 11,268,310 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 13.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.1 AU - 1.78 AU

Year: 1215 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,606,265 km

• M1: 166,652 km (0.057 R)
• M2: 999,015 km (0.053 R)
• M3: 1,542,204 km (0.111 R)
• M4: 1,966,614 km (0.069 R)
• M5: 2,446,075 km (0.101 R)
• M6: 3,247,321 km (0.102 R)
• M7: 3,874,286 km (0.082 R)
• M8: 5,146,017 km (0.077 R)
• M9: 7,591,942 km (0.097 R)
• M10: 8,499,553 km (0.102 R)
• M11: 9,174,089 km (0.081 R)
• M12: 9,695,438 km (0.099 R)
• M13: 10,366,684 km (0.095 R)
• M14: 10,797,675 km (0.092 R)
• M15: 12,235,909 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 9.1

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.49 AU - 1.49 AU

Year: 1278 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,606,265 km

• M1: 116,686 km (0.061 R)
• M2: 464,501 km (0.1 R)
• M3: 1,047,185 km (0.069 R)
• M4: 1,459,028 km (0.115 R)
• M5: 1,913,806 km (0.118 R)
• M6: 2,461,184 km (0.081 R)
• M7: 3,138,713 km (0.081 R)
• M8: 3,732,766 km (0.096 R)
• M9: 4,684,508 km (0.09 R)
• M10: 6,249,301 km (0.052 R)
• M11: 6,857,566 km (0.108 R)
• M12: 7,857,179 km (0.117 R)
• M13: 8,363,269 km (0.103 R)
• M14: 9,132,651 km (0.09 R)
• M15: 9,440,822 km (0.11 R)
• M16: 10,777,629 km (0.113 R)
• M17: 11,905,447 km (0.094 R)
• M18: 12,385,507 km (0.094 R)
• M19: 12,916,729 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 11.3

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.17 AU - 4.75 AU

Year: 6621 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,606,265 km

• M1: 140,472 km (0.072 R)
• M2: 601,084 km (0.097 R)
• M3: 1,722,171 km (0.089 R)
• M4: 2,173,059 km (0.095 R)
• M5: 2,645,788 km (0.087 R)
• M6: 3,229,668 km (0.089 R)
• M7: 4,437,372 km (0.102 R)
• M8: 5,892,211 km (0.087 R)
• M9: 8,283,533 km (0.051 R)
• M10: 8,830,014 km (0.116 R)
• M11: 9,535,368 km (0.102 R)
• M12: 10,859,908 km (0.11 R)
• M13: 11,310,646 km (0.069 R)
• M14: 12,683,506 km (0.068 R)
• M15: 16,076,984 km (0.102 R)
• M16: 16,928,196 km (0.106 R)
• M17: 19,515,641 km (0.103 R)
• M18: 25,902,273 km (0.094 R)
• M19: 26,617,800 km (0.077 R)
• M20: 30,099,989 km (0.108 R)
• M21: 33,768,877 km (0.071 R)
• M22: 34,730,642 km (0.078 R)
• M23: 36,597,025 km (0.088 R)
• M24: 37,725,591 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.5

Radius: 7.6

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.9 AU - 7.56 AU

Year: 13665 Days

Day: 22.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,606,265 km

• M1: 94,546 km (0.028 R)
• M2: 391,797 km (0.086 R)
• M3: 654,939 km (0.079 R)
• M4: 1,298,809 km (0.11 R)
• M5: 2,077,316 km (0.113 R)
• M6: 2,451,909 km (0.084 R)
• M7: 2,689,022 km (0.115 R)
• M8: 3,285,618 km (0.076 R)
• M9: 4,450,836 km (0.104 R)
• M10: 5,179,228 km (0.098 R)
• M11: 6,218,035 km (0.079 R)
• M12: 6,620,753 km (0.098 R)
• M13: 7,345,255 km (0.106 R)
• M14: 9,001,753 km (0.102 R)
• M15: 9,836,210 km (0.118 R)
• M16: 10,217,235 km (0.107 R)
• M17: 10,551,437 km (0.112 R)
• M18: 11,598,323 km (0.057 R)
• M19: 14,516,229 km (0.11 R)
• M20: 24,615,282 km (0.108 R)
• M21: 25,622,974 km (0.076 R)
• M22: 26,240,514 km (0.103 R)
• M23: 27,505,364 km (0.078 R)
• M24: 31,896,959 km (0.059 R)
• M25: 37,651,091 km (0.114 R)
• M26: 38,583,385 km (0.082 R)
• M27: 44,207,517 km (0.111 R)
• M28: 45,544,324 km (0.077 R)
• M29: 48,767,559 km (0.12 R)
• M30: 51,160,976 km (0.095 R)
• M31: 58,809,017 km (0.104 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 14,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit