🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.23 AU - 1.85 AU

Year: 732 Days

Day: 41.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.84 AU - 3 AU

Year: 1441 Days

Day: 12.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 14.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.45 AU - 5.23 AU

Year: 4077 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,459,456 km

• M1: 181,612 km (0.119 R)
• M2: 782,098 km (0.084 R)
• M3: 1,288,786 km (0.119 R)
• M4: 2,730,610 km (0.119 R)
• M5: 3,533,651 km (0.097 R)
• M6: 5,682,475 km (0.099 R)
• M7: 6,140,693 km (0.097 R)
• M8: 6,623,595 km (0.087 R)
• M9: 7,131,929 km (0.092 R)
• M10: 8,077,238 km (0.101 R)
• M11: 8,689,841 km (0.089 R)
• M12: 9,565,886 km (0.097 R)
• M13: 10,971,358 km (0.097 R)
• M14: 14,632,018 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.17 AU - 8.53 AU

Year: 8421 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,459,456 km

• M1: 114,442 km (0.071 R)
• M2: 476,170 km (0.039 R)
• M3: 778,956 km (0.111 R)
• M4: 1,301,950 km (0.092 R)
• M5: 1,637,199 km (0.074 R)
• M6: 2,138,053 km (0.083 R)
• M7: 2,813,637 km (0.06 R)
• M8: 3,716,310 km (0.114 R)
• M9: 4,073,101 km (0.092 R)
• M10: 4,718,766 km (0.047 R)
• M11: 5,642,832 km (0.086 R)
• M12: 6,148,024 km (0.044 R)
• M13: 7,358,420 km (0.096 R)
• M14: 7,693,818 km (0.082 R)
• M15: 9,925,968 km (0.104 R)
• M16: 10,948,171 km (0.095 R)
• M17: 13,696,882 km (0.095 R)
• M18: 14,962,330 km (0.113 R)
• M19: 18,125,278 km (0.082 R)
• M20: 19,862,708 km (0.113 R)
• M21: 20,368,348 km (0.087 R)
• M22: 23,827,051 km (0.103 R)
• M23: 25,822,836 km (0.067 R)
• M24: 29,299,790 km (0.09 R)
• M25: 29,673,186 km (0.091 R)
• M26: 30,812,374 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 14.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.16 AU - 9.76 AU

Year: 11141 Days

Day: 11.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,459,456 km

• M1: 180,714 km (0.099 R)
• M2: 796,908 km (0.092 R)
• M3: 1,377,497 km (0.067 R)
• M4: 1,926,222 km (0.097 R)
• M5: 5,065,085 km (0.089 R)
• M6: 6,235,090 km (0.114 R)
• M7: 7,516,096 km (0.091 R)
• M8: 10,912,267 km (0.034 R)
• M9: 13,399,780 km (0.065 R)
• M10: 14,874,367 km (0.073 R)
• M11: 16,773,063 km (0.069 R)
• M12: 17,697,727 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.1

Radius: 5.1

Gravity: 35.49 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.4 AU - 14.36 AU

Year: 16678 Days

Day: 22.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,459,456 km

• M1: 66,870 km (0.029 R)
• M2: 483,052 km (0.088 R)
• M3: 713,731 km (0.1 R)
• M4: 1,731,745 km (0.118 R)
• M5: 2,279,722 km (0.103 R)
• M6: 2,688,723 km (0.079 R)
• M7: 2,885,444 km (0.077 R)
• M8: 3,225,928 km (0.102 R)
• M9: 4,309,017 km (0.115 R)
• M10: 4,579,191 km (0.096 R)
• M11: 6,061,407 km (0.092 R)
• M12: 7,304,864 km (0.109 R)
• M13: 7,543,473 km (0.111 R)
• M14: 8,036,547 km (0.09 R)
• M15: 8,446,296 km (0.088 R)
• M16: 13,481,611 km (0.027 R)
• M17: 16,456,514 km (0.053 R)
• M18: 17,284,239 km (0.111 R)
• M19: 18,226,556 km (0.091 R)
• M20: 19,022,566 km (0.113 R)
• M21: 20,212,916 km (0.116 R)
• M22: 21,354,946 km (0.118 R)
• M23: 23,662,942 km (0.063 R)
• M24: 23,871,183 km (0.1 R)
• M25: 24,503,234 km (0.092 R)
• M26: 26,803,301 km (0.105 R)
• M27: 29,243,242 km (0.095 R)
• M28: 33,501,097 km (0.113 R)
• M29: 42,602,182 km (0.097 R)
• M30: 44,632,375 km (0.074 R)
• M31: 45,109,892 km (0.061 R)
• M32: 52,510,349 km (0.111 R)
• M33: 52,864,746 km (0.116 R)
• M34: 58,373,388 km (0.078 R)
• M35: 61,070,040 km (0.072 R)
• M36: 62,053,047 km (0.091 R)
• M37: 63,046,377 km (0.113 R)
• M38: 63,647,461 km (0.081 R)
• M39: 71,161,613 km (0.056 R)
• M40: 72,908,018 km (0.104 R)
• M41: 73,128,376 km (0.045 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit