🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.72 AU - 0.98 AU

Year: 288 Days

Day: 31.3 Hours

Environment

Temp: 81 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.81 AU - 0.91 AU

Year: 293 Days

Day: 47 Hours

Environment

Temp: 130 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,209,840 km

• M1: 23,038 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.09 AU - 1.23 AU

Year: 459 Days

Day: 34.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,209,840 km

• M1: 62,981 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.66 AU - 3.28 AU

Year: 1879 Days

Day: 40.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.95 AU - 4.61 AU

Year: 2698 Days

Day: 24.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.9

Radius: 11.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.99 AU - 11.35 AU

Year: 11039 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,209,840 km

• M1: 171,140 km (0.079 R)
• M2: 591,211 km (0.032 R)
• M3: 992,432 km (0.054 R)
• M4: 1,397,244 km (0.099 R)
• M5: 2,146,580 km (0.109 R)
• M6: 2,721,634 km (0.088 R)
• M7: 3,701,949 km (0.051 R)
• M8: 6,472,651 km (0.094 R)
• M9: 9,144,170 km (0.072 R)
• M10: 11,727,276 km (0.069 R)
• M11: 14,443,076 km (0.113 R)
• M12: 15,582,713 km (0.113 R)
• M13: 19,946,782 km (0.109 R)
• M14: 25,218,162 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.3

Radius: 7.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 12.47 AU - 16.09 AU

Year: 19809 Days

Day: 23.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,209,840 km

• M1: 97,089 km (0.094 R)
• M2: 348,264 km (0.114 R)
• M3: 891,155 km (0.052 R)
• M4: 1,481,468 km (0.094 R)
• M5: 1,899,295 km (0.043 R)
• M6: 2,502,473 km (0.094 R)
• M7: 3,553,548 km (0.094 R)
• M8: 3,962,100 km (0.073 R)
• M9: 5,490,840 km (0.055 R)
• M10: 10,339,158 km (0.074 R)
• M11: 15,789,307 km (0.104 R)
• M12: 17,217,369 km (0.115 R)
• M13: 18,557,466 km (0.117 R)
• M14: 18,903,037 km (0.118 R)
• M15: 19,696,205 km (0.106 R)
• M16: 20,419,810 km (0.036 R)
• M17: 26,749,894 km (0.099 R)
• M18: 30,058,850 km (0.054 R)
• M19: 31,260,420 km (0.107 R)
• M20: 32,618,769 km (0.098 R)
• M21: 32,869,943 km (0.104 R)
• M22: 34,016,013 km (0.078 R)
• M23: 41,018,390 km (0.095 R)
• M24: 47,460,523 km (0.051 R)
• M25: 51,428,457 km (0.114 R)
• M26: 58,709,086 km (0.09 R)
• M27: 60,394,306 km (0.08 R)
• M28: 62,304,222 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.4

Radius: 3.8

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 15.57 AU - 22.93 AU

Year: 31004 Days

Day: 20.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,209,840 km

• M1: 247,734 km (0.031 R)
• M2: 372,947 km (0.075 R)
• M3: 771,327 km (0.117 R)
• M4: 933,341 km (0.074 R)
• M5: 1,076,506 km (0.081 R)
• M6: 3,399,312 km (0.086 R)
• M7: 4,277,003 km (0.061 R)
• M8: 4,600,284 km (0.102 R)
• M9: 6,147,575 km (0.079 R)
• M10: 6,374,066 km (0.045 R)
• M11: 9,186,656 km (0.094 R)
• M12: 11,192,613 km (0.088 R)
• M13: 15,372,528 km (0.081 R)
• M14: 18,081,446 km (0.047 R)
• M15: 18,266,498 km (0.055 R)
• M16: 19,499,634 km (0.096 R)
• M17: 29,850,310 km (0.085 R)
• M18: 55,972,043 km (0.042 R)
• M19: 56,957,744 km (0.1 R)
• M20: 61,224,275 km (0.032 R)
• M21: 64,398,891 km (0.1 R)
• M22: 66,355,482 km (0.111 R)
• M23: 68,351,267 km (0.062 R)
• M24: 70,844,316 km (0.025 R)
• M25: 84,481,209 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 14,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit