🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.47 AU - 0.67 AU

Year: 161 Days

Day: 32.3 Hours

Environment

Temp: 132 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 105,793,728 km

• M1: 63,280 km (0.096 R)
• M2: 519,703 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.62 AU - 0.88 AU

Year: 243 Days

Day: 33.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,793,728 km

• M1: 41,439 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.08 AU - 1.38 AU

Year: 511 Days

Day: 41.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.96 AU - 2.08 AU

Year: 1076 Days

Day: 28.4 Hours

Environment

Temp: -67 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 12.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.25 AU - 5.65 AU

Year: 4127 Days

Day: 6.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 105,793,728 km

• M1: 151,692 km (0.106 R)
• M2: 693,386 km (0.073 R)
• M3: 1,121,984 km (0.076 R)
• M4: 2,807,802 km (0.116 R)
• M5: 3,361,614 km (0.098 R)
• M6: 4,439,766 km (0.099 R)
• M7: 8,014,257 km (0.051 R)
• M8: 8,492,073 km (0.099 R)
• M9: 11,813,445 km (0.117 R)
• M10: 12,433,378 km (0.11 R)
• M11: 15,287,107 km (0.106 R)
• M12: 15,863,807 km (0.046 R)
• M13: 18,788,894 km (0.071 R)
• M14: 19,208,217 km (0.088 R)
• M15: 21,661,024 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.7

Radius: 10.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 10.98 AU - 12.46 AU

Year: 15036 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,793,728 km

• M1: 133,142 km (0.094 R)
• M2: 512,373 km (0.103 R)
• M3: 1,055,862 km (0.116 R)
• M4: 1,821,504 km (0.1 R)
• M5: 3,259,289 km (0.075 R)
• M6: 5,676,940 km (0.096 R)
• M7: 7,515,947 km (0.109 R)
• M8: 9,722,665 km (0.089 R)
• M9: 10,632,070 km (0.106 R)
• M10: 12,503,540 km (0.086 R)
• M11: 15,040,720 km (0.111 R)
• M12: 16,605,214 km (0.092 R)
• M13: 17,102,178 km (0.043 R)
• M14: 18,200,526 km (0.103 R)
• M15: 20,295,195 km (0.101 R)
• M16: 20,781,687 km (0.067 R)
• M17: 30,606,079 km (0.085 R)
• M18: 33,895,736 km (0.102 R)
• M19: 38,391,900 km (0.079 R)
• M20: 45,167,337 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.8

Radius: 5.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 12.49 AU - 17.57 AU

Year: 21836 Days

Day: 15.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 105,793,728 km

• M1: 65,973 km (0.062 R)
• M2: 486,193 km (0.05 R)
• M3: 673,789 km (0.103 R)
• M4: 1,009,636 km (0.058 R)
• M5: 1,759,121 km (0.067 R)
• M6: 2,182,932 km (0.1 R)
• M7: 2,638,607 km (0.071 R)
• M8: 2,898,010 km (0.12 R)
• M9: 3,098,920 km (0.109 R)
• M10: 3,528,864 km (0.089 R)
• M11: 5,242,657 km (0.056 R)
• M12: 5,997,079 km (0.1 R)
• M13: 12,671,688 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962

Radius: 6.2

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 13.85 AU - 21.35 AU

Year: 27669 Days

Day: 19.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 105,793,728 km

• M1: 77,043 km (0.097 R)
• M2: 309,368 km (0.094 R)
• M3: 673,340 km (0.028 R)
• M4: 1,070,223 km (0.076 R)
• M5: 1,935,198 km (0.093 R)
• M6: 2,655,362 km (0.072 R)
• M7: 3,076,630 km (0.108 R)
• M8: 3,807,565 km (0.094 R)
• M9: 5,260,160 km (0.083 R)
• M10: 6,691,812 km (0.07 R)
• M11: 7,965,488 km (0.05 R)
• M12: 9,021,200 km (0.108 R)
• M13: 10,035,175 km (0.051 R)
• M14: 13,291,621 km (0.07 R)
• M15: 22,684,273 km (0.071 R)
• M16: 24,547,963 km (0.025 R)
• M17: 26,385,624 km (0.114 R)
• M18: 26,890,666 km (0.114 R)
• M19: 31,730,606 km (0.102 R)
• M20: 33,759,751 km (0.1 R)
• M21: 34,655,244 km (0.084 R)
• M22: 38,719,220 km (0.113 R)
• M23: 41,202,694 km (0.103 R)
• M24: 46,118,780 km (0.117 R)
• M25: 51,020,952 km (0.107 R)
• M26: 53,396,118 km (0.086 R)
• M27: 60,962,479 km (0.112 R)
• M28: 62,959,760 km (0.059 R)
• M29: 68,024,994 km (0.119 R)
• M30: 75,613,496 km (0.086 R)
• M31: 83,475,761 km (0.067 R)
• M32: 95,669,334 km (0.104 R)
• M33: 103,902,154 km (0.055 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: 463 - 18,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit