🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.69 AU - 0.71 AU

Year: 225 Days

Day: 25.6 Hours

Environment

Temp: 82 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.99 AU - 0.99 AU

Year: 379 Days

Day: 19.1 Hours

Environment

Temp: 4 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.14 AU - 1.36 AU

Year: 538 Days

Day: 46.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,224,695 km

• M1: 75,098 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.28 AU - 1.88 AU

Year: 765 Days

Day: 19.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 172.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 11.1

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.06 AU - 5.98 AU

Year: 4993 Days

Day: 9 Hours

Environment

Temp: -149 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,224,695 km

• M1: 142,417 km (0.083 R)
• M2: 488,138 km (0.082 R)
• M3: 1,030,430 km (0.097 R)
• M4: 1,531,433 km (0.064 R)
• M5: 1,929,214 km (0.056 R)
• M6: 2,412,565 km (0.107 R)
• M7: 2,809,149 km (0.107 R)
• M8: 3,209,174 km (0.096 R)
• M9: 3,691,028 km (0.112 R)
• M10: 4,367,360 km (0.045 R)
• M11: 5,291,426 km (0.099 R)
• M12: 6,731,455 km (0.071 R)
• M13: 7,524,623 km (0.106 R)
• M14: 8,340,530 km (0.089 R)
• M15: 11,617,771 km (0.092 R)
• M16: 12,758,305 km (0.066 R)
• M17: 14,411,810 km (0.115 R)
• M18: 14,974,448 km (0.089 R)
• M19: 16,083,865 km (0.111 R)
• M20: 16,628,103 km (0.086 R)
• M21: 20,505,380 km (0.113 R)
• M22: 21,506,938 km (0.092 R)
• M23: 22,391,061 km (0.082 R)
• M24: 23,146,082 km (0.036 R)
• M25: 23,684,784 km (0.047 R)
• M26: 24,627,549 km (0.047 R)
• M27: 27,520,473 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 10.1

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.19 AU - 8.67 AU

Year: 7797 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 98.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,224,695 km

• M1: 125,662 km (0.069 R)
• M2: 842,535 km (0.087 R)
• M3: 1,256,024 km (0.116 R)
• M4: 1,892,712 km (0.092 R)
• M5: 2,292,737 km (0.095 R)
• M6: 2,699,045 km (0.068 R)
• M7: 3,637,472 km (0.087 R)
• M8: 4,283,735 km (0.116 R)
• M9: 5,184,165 km (0.093 R)
• M10: 5,528,838 km (0.062 R)
• M11: 7,489,318 km (0.075 R)
• M12: 7,896,374 km (0.058 R)
• M13: 8,607,861 km (0.038 R)
• M14: 10,117,454 km (0.117 R)
• M15: 11,217,297 km (0.081 R)
• M16: 12,348,257 km (0.06 R)
• M17: 15,588,098 km (0.05 R)
• M18: 16,422,256 km (0.07 R)
• M19: 17,052,661 km (0.083 R)
• M20: 19,481,832 km (0.085 R)
• M21: 25,165,952 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.6

Radius: 3.6

Gravity: 49.89 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.16 AU - 14.44 AU

Year: 18674 Days

Day: 19 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,224,695 km

• M1: 44,730 km (0.05 R)
• M2: 280,496 km (0.065 R)
• M3: 467,344 km (0.079 R)
• M4: 614,847 km (0.03 R)
• M5: 889,359 km (0.1 R)
• M6: 1,494,632 km (0.112 R)
• M7: 1,988,006 km (0.109 R)
• M8: 2,820,967 km (0.073 R)
• M9: 3,047,907 km (0.094 R)
• M10: 3,369,393 km (0.062 R)
• M11: 3,713,169 km (0.038 R)
• M12: 4,111,249 km (0.119 R)
• M13: 4,537,303 km (0.117 R)
• M14: 13,804,892 km (0.113 R)
• M15: 16,378,872 km (0.117 R)
• M16: 21,960,219 km (0.032 R)
• M17: 22,649,118 km (0.104 R)
• M18: 28,920,709 km (0.108 R)
• M19: 29,391,494 km (0.083 R)
• M20: 31,325,794 km (0.055 R)
• M21: 36,120,555 km (0.102 R)
• M22: 37,356,533 km (0.081 R)
• M23: 41,233,212 km (0.033 R)
• M24: 42,280,248 km (0.1 R)
• M25: 43,652,509 km (0.106 R)
• M26: 46,969,094 km (0.083 R)
• M27: 58,479,004 km (0.058 R)
• M28: 59,231,332 km (0.088 R)
• M29: 63,485,148 km (0.084 R)
• M30: 70,028,858 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 6.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 18.19 AU - 19.39 AU

Year: 31359 Days

Day: 22.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,224,695 km

• M1: 98,286 km (0.104 R)
• M2: 1,484,160 km (0.068 R)
• M3: 1,756,279 km (0.049 R)
• M4: 2,401,345 km (0.088 R)
• M5: 4,835,153 km (0.085 R)
• M6: 5,358,895 km (0.116 R)
• M7: 8,559,093 km (0.065 R)
• M8: 8,881,775 km (0.103 R)
• M9: 12,228,280 km (0.074 R)
• M10: 12,776,107 km (0.105 R)
• M11: 16,495,260 km (0.118 R)
• M12: 25,094,145 km (0.063 R)
• M13: 27,925,435 km (0.088 R)
• M14: 34,482,608 km (0.095 R)
• M15: 36,268,807 km (0.06 R)
• M16: 40,926,537 km (0.103 R)
• M17: 41,688,588 km (0.061 R)
• M18: 45,641,263 km (0.03 R)
• M19: 48,297,822 km (0.119 R)
• M20: 52,473,248 km (0.117 R)
• M21: 52,831,685 km (0.096 R)
• M22: 62,533,256 km (0.049 R)
• M23: 66,431,178 km (0.094 R)
• M24: 70,053,392 km (0.062 R)
• M25: 70,705,938 km (0.092 R)
• M26: 76,532,475 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit