🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.48 AU - 0.62 AU

Year: 263 Days

Day: 43 Hours

Environment

Temp: -119 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,268,311 km

• M1: 497,712 km (0.065 R)
• M2: 676,631 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 14.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.64 AU - 1.04 AU

Year: 497 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,268,311 km

• M1: 178,171 km (0.043 R)
• M2: 657,483 km (0.118 R)
• M3: 1,293,573 km (0.086 R)
• M4: 1,767,349 km (0.114 R)
• M5: 2,236,039 km (0.11 R)
• M6: 2,738,389 km (0.117 R)
• M7: 3,248,518 km (0.074 R)
• M8: 3,771,811 km (0.099 R)
• M9: 4,228,085 km (0.075 R)
• M10: 4,677,776 km (0.105 R)
• M11: 5,526,145 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 13.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.14 AU - 2.52 AU

Year: 2296 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,268,311 km

• M1: 169,195 km (0.093 R)
• M2: 631,453 km (0.094 R)
• M3: 1,204,412 km (0.05 R)
• M4: 1,625,381 km (0.099 R)
• M5: 2,071,482 km (0.113 R)
• M6: 3,236,251 km (0.071 R)
• M7: 3,760,741 km (0.099 R)
• M8: 4,196,071 km (0.078 R)
• M9: 4,665,359 km (0.069 R)
• M10: 6,677,151 km (0.115 R)
• M11: 8,328,113 km (0.075 R)
• M12: 10,123,886 km (0.106 R)
• M13: 10,581,506 km (0.078 R)
• M14: 11,870,142 km (0.101 R)
• M15: 13,671,001 km (0.063 R)
• M16: 14,420,936 km (0.111 R)
• M17: 15,647,638 km (0.092 R)
• M18: 16,468,482 km (0.087 R)
• M19: 16,889,600 km (0.082 R)
• M20: 18,533,231 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 11.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.32 AU - 5.94 AU

Year: 7502 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,268,311 km

• M1: 144,362 km (0.076 R)
• M2: 633,397 km (0.073 R)
• M3: 997,818 km (0.039 R)
• M4: 1,783,356 km (0.116 R)
• M5: 2,277,328 km (0.046 R)
• M6: 3,688,036 km (0.099 R)
• M7: 4,386,658 km (0.094 R)
• M8: 5,326,582 km (0.059 R)
• M9: 7,210,468 km (0.113 R)
• M10: 8,911,844 km (0.06 R)
• M11: 9,364,528 km (0.075 R)
• M12: 10,414,705 km (0.088 R)
• M13: 11,122,901 km (0.117 R)
• M14: 11,862,812 km (0.059 R)
• M15: 12,862,126 km (0.076 R)
• M16: 14,901,593 km (0.072 R)
• M17: 17,637,290 km (0.083 R)
• M18: 22,718,232 km (0.075 R)
• M19: 24,962,798 km (0.113 R)
• M20: 29,988,838 km (0.091 R)
• M21: 30,801,902 km (0.042 R)
• M22: 35,991,752 km (0.03 R)
• M23: 36,794,344 km (0.07 R)
• M24: 37,961,507 km (0.113 R)
• M25: 41,611,097 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.8

Radius: 7.6

Gravity: 16.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.8 AU - 6.24 AU

Year: 9537 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,268,311 km

• M1: 94,546 km (0.072 R)
• M2: 365,318 km (0.077 R)
• M3: 719,865 km (0.067 R)
• M4: 1,247,197 km (0.104 R)
• M5: 1,810,583 km (0.036 R)
• M6: 2,698,147 km (0.082 R)
• M7: 2,959,644 km (0.111 R)
• M8: 3,559,831 km (0.092 R)
• M9: 4,443,206 km (0.034 R)
• M10: 6,442,731 km (0.093 R)
• M11: 9,764,552 km (0.075 R)
• M12: 10,437,743 km (0.117 R)
• M13: 10,867,238 km (0.069 R)
• M14: 11,876,425 km (0.048 R)
• M15: 12,764,139 km (0.048 R)
• M16: 13,887,021 km (0.082 R)
• M17: 22,215,433 km (0.041 R)
• M18: 23,469,064 km (0.088 R)
• M19: 36,574,735 km (0.088 R)
• M20: 36,944,092 km (0.118 R)
• M21: 40,119,157 km (0.113 R)
• M22: 45,003,827 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.6

Radius: 6.1

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.1 AU - 8.7 AU

Year: 14337 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,268,311 km

• M1: 75,846 km (0.081 R)
• M2: 482,603 km (0.076 R)
• M3: 842,535 km (0.115 R)
• M4: 1,059,303 km (0.05 R)
• M5: 1,928,616 km (0.114 R)
• M6: 3,461,545 km (0.098 R)
• M7: 3,967,336 km (0.062 R)
• M8: 4,299,742 km (0.086 R)
• M9: 5,556,364 km (0.09 R)
• M10: 6,248,703 km (0.092 R)
• M11: 6,574,228 km (0.058 R)
• M12: 6,996,992 km (0.12 R)
• M13: 7,943,647 km (0.088 R)
• M14: 11,715,159 km (0.092 R)
• M15: 13,308,975 km (0.119 R)
• M16: 16,379,172 km (0.067 R)
• M17: 18,282,954 km (0.071 R)
• M18: 18,697,490 km (0.072 R)
• M19: 20,329,453 km (0.088 R)
• M20: 21,683,314 km (0.088 R)
• M21: 23,385,887 km (0.054 R)
• M22: 23,580,514 km (0.116 R)
• M23: 24,669,736 km (0.071 R)
• M24: 25,792,019 km (0.067 R)
• M25: 26,418,386 km (0.028 R)
• M26: 29,025,428 km (0.047 R)
• M27: 33,005,180 km (0.056 R)
• M28: 42,602,930 km (0.093 R)
• M29: 45,414,174 km (0.075 R)
• M30: 50,912,045 km (0.053 R)
• M31: 51,567,284 km (0.027 R)
• M32: 52,062,303 km (0.11 R)
• M33: 53,229,914 km (0.116 R)
• M34: 58,610,950 km (0.041 R)
• M35: 61,155,610 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 14,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit