🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.64 AU - 0.68 AU

Year: 189 Days

Day: 32.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.63 AU - 0.99 AU

Year: 257 Days

Day: 43.9 Hours

Environment

Temp: 161 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.81 AU - 1.17 AU

Year: 348 Days

Day: 45.6 Hours

Environment

Temp: 102 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 30,851,396 km

• M1: 388,506 km (0.066 R)
• M2: 404,961 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.31 AU - 1.35 AU

Year: 542 Days

Day: 21.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.25 AU - 1.83 AU

Year: 675 Days

Day: 21.7 Hours

Environment

Temp: 1 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.77 AU - 1.81 AU

Year: 846 Days

Day: 35.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.15 AU - 3.17 AU

Year: 1532 Days

Day: 43.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 13.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.84 AU - 8.02 AU

Year: 5757 Days

Day: 5.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,851,396 km

• M1: 169,195 km (0.052 R)
• M2: 712,385 km (0.085 R)
• M3: 1,821,204 km (0.104 R)
• M4: 3,842,870 km (0.047 R)
• M5: 4,472,079 km (0.112 R)
• M6: 5,216,478 km (0.096 R)
• M7: 7,158,258 km (0.075 R)
• M8: 9,014,917 km (0.084 R)
• M9: 9,579,350 km (0.103 R)
• M10: 10,393,910 km (0.107 R)
• M11: 10,975,547 km (0.081 R)
• M12: 12,246,381 km (0.089 R)
• M13: 13,117,040 km (0.108 R)
• M14: 13,842,889 km (0.087 R)
• M15: 17,881,583 km (0.057 R)
• M16: 19,696,804 km (0.059 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.6

Radius: 12.2

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.27 AU - 6.69 AU

Year: 5825 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,851,396 km

• M1: 151,692 km (0.038 R)
• M2: 575,503 km (0.045 R)
• M3: 1,054,665 km (0.091 R)
• M4: 2,168,870 km (0.119 R)
• M5: 3,181,049 km (0.069 R)
• M6: 3,601,419 km (0.077 R)
• M7: 4,146,255 km (0.111 R)
• M8: 4,673,587 km (0.099 R)
• M9: 5,947,712 km (0.068 R)
• M10: 6,773,193 km (0.114 R)
• M11: 7,573,392 km (0.08 R)
• M12: 8,083,072 km (0.098 R)
• M13: 9,209,395 km (0.117 R)
• M14: 11,242,579 km (0.119 R)
• M15: 13,807,135 km (0.065 R)
• M16: 14,673,158 km (0.119 R)
• M17: 17,314,158 km (0.112 R)
• M18: 18,442,126 km (0.101 R)
• M19: 20,064,216 km (0.034 R)
• M20: 21,711,887 km (0.073 R)
• M21: 22,326,585 km (0.068 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 9.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.41 AU - 10.05 AU

Year: 9901 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,851,396 km

• M1: 120,725 km (0.116 R)
• M2: 2,072,678 km (0.07 R)
• M3: 3,210,370 km (0.108 R)
• M4: 3,847,956 km (0.094 R)
• M5: 4,618,535 km (0.114 R)
• M6: 6,241,522 km (0.113 R)
• M7: 6,692,261 km (0.092 R)
• M8: 7,587,305 km (0.091 R)
• M9: 8,026,375 km (0.091 R)
• M10: 8,560,140 km (0.118 R)
• M11: 8,915,435 km (0.088 R)
• M12: 11,119,460 km (0.06 R)
• M13: 12,075,391 km (0.114 R)
• M14: 14,760,074 km (0.111 R)
• M15: 15,387,487 km (0.049 R)
• M16: 15,737,098 km (0.114 R)
• M17: 16,091,944 km (0.086 R)
• M18: 22,748,151 km (0.084 R)
• M19: 24,363,808 km (0.062 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 19,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit