🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.69 AU - 1.77 AU

Year: 862 Days

Day: 33.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.03 AU - 2.11 AU

Year: 1128 Days

Day: 44.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.83 AU - 2.93 AU

Year: 1391 Days

Day: 12.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,417,294 km

• M1: 50,863 km (0.073 R)
• M2: 1,463,815 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 13.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.38 AU - 7.38 AU

Year: 6104 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,417,294 km

• M1: 175,329 km (0.098 R)
• M2: 611,257 km (0.082 R)
• M3: 1,075,609 km (0.051 R)
• M4: 1,530,536 km (0.093 R)
• M5: 2,159,146 km (0.058 R)
• M6: 2,732,106 km (0.1 R)
• M7: 3,194,513 km (0.083 R)
• M8: 4,098,084 km (0.109 R)
• M9: 5,765,801 km (0.111 R)
• M10: 6,381,546 km (0.054 R)
• M11: 6,943,735 km (0.071 R)
• M12: 8,385,709 km (0.057 R)
• M13: 10,910,921 km (0.083 R)
• M14: 11,354,030 km (0.032 R)
• M15: 12,756,210 km (0.043 R)
• M16: 15,345,301 km (0.095 R)
• M17: 17,414,389 km (0.087 R)
• M18: 20,722,895 km (0.03 R)
• M19: 23,758,685 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 8.8

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.8 AU - 9.26 AU

Year: 10277 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,417,294 km

• M1: 112,198 km (0.066 R)
• M2: 390,002 km (0.107 R)
• M3: 683,812 km (0.098 R)
• M4: 1,386,772 km (0.036 R)
• M5: 2,013,737 km (0.068 R)
• M6: 3,639,866 km (0.109 R)
• M7: 5,047,731 km (0.102 R)
• M8: 5,715,686 km (0.119 R)
• M9: 6,593,676 km (0.116 R)
• M10: 7,685,740 km (0.058 R)
• M11: 8,163,556 km (0.115 R)
• M12: 9,617,647 km (0.07 R)
• M13: 11,402,649 km (0.034 R)
• M14: 12,140,166 km (0.108 R)
• M15: 13,647,515 km (0.094 R)
• M16: 13,963,316 km (0.081 R)
• M17: 14,413,605 km (0.103 R)
• M18: 15,822,817 km (0.04 R)
• M19: 17,841,940 km (0.088 R)
• M20: 19,945,884 km (0.109 R)
• M21: 20,765,381 km (0.098 R)
• M22: 21,352,403 km (0.041 R)
• M23: 22,384,329 km (0.106 R)
• M24: 24,085,556 km (0.089 R)
• M25: 25,393,042 km (0.094 R)
• M26: 26,161,077 km (0.099 R)
• M27: 29,075,543 km (0.103 R)
• M28: 31,866,441 km (0.081 R)
• M29: 37,479,353 km (0.114 R)
• M30: 38,852,512 km (0.11 R)
• M31: 39,743,517 km (0.1 R)
• M32: 40,648,285 km (0.067 R)
• M33: 46,224,695 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.9

Radius: 6.9

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.1 AU - 14.4 AU

Year: 18267 Days

Day: 22.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,417,294 km

• M1: 116,387 km (0.106 R)
• M2: 441,164 km (0.068 R)
• M3: 804,687 km (0.07 R)
• M4: 1,509,443 km (0.089 R)
• M5: 1,999,974 km (0.099 R)
• M6: 3,432,523 km (0.074 R)
• M7: 3,900,166 km (0.073 R)
• M8: 4,213,574 km (0.103 R)
• M9: 4,784,738 km (0.082 R)
• M10: 5,717,182 km (0.106 R)
• M11: 6,205,320 km (0.079 R)
• M12: 7,691,724 km (0.089 R)
• M13: 7,936,017 km (0.104 R)
• M14: 9,073,111 km (0.061 R)
• M15: 10,492,645 km (0.089 R)
• M16: 10,915,409 km (0.086 R)
• M17: 13,410,701 km (0.081 R)
• M18: 13,836,756 km (0.115 R)
• M19: 19,315,030 km (0.1 R)
• M20: 25,323,180 km (0.115 R)
• M21: 26,303,644 km (0.07 R)
• M22: 27,764,018 km (0.058 R)
• M23: 29,874,096 km (0.038 R)
• M24: 30,722,915 km (0.106 R)
• M25: 31,463,125 km (0.082 R)
• M26: 36,429,475 km (0.057 R)
• M27: 36,842,515 km (0.051 R)
• M28: 37,119,570 km (0.115 R)
• M29: 43,572,325 km (0.113 R)
• M30: 47,388,566 km (0.108 R)
• M31: 55,496,172 km (0.084 R)
• M32: 56,409,467 km (0.083 R)
• M33: 58,078,681 km (0.094 R)
• M34: 58,454,022 km (0.104 R)
• M35: 60,933,457 km (0.116 R)
• M36: 63,680,971 km (0.038 R)
• M37: 66,510,017 km (0.108 R)
• M38: 70,268,962 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 10,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit