🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.55 AU - 0.69 AU

Year: 186 Days

Day: 24.5 Hours

Environment

Temp: 143 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,333,187 km

• M1: 61,186 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 252 Days

Day: 39.1 Hours

Environment

Temp: 126 °C

Axial Tilt: 47.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.9 AU - 1 AU

Year: 353 Days

Day: 38.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.89 AU - 1.13 AU

Year: 387 Days

Day: 12.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 10.2

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.86 AU - 4.5 AU

Year: 3254 Days

Day: 6 Hours

Environment

Temp: -129 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,333,187 km

• M1: 126,859 km (0.044 R)
• M2: 545,733 km (0.115 R)
• M3: 1,145,022 km (0.104 R)
• M4: 1,569,282 km (0.119 R)
• M5: 2,858,067 km (0.052 R)
• M6: 3,460,797 km (0.119 R)
• M7: 4,165,254 km (0.111 R)
• M8: 5,071,966 km (0.117 R)
• M9: 5,810,232 km (0.102 R)
• M10: 6,129,922 km (0.088 R)
• M11: 8,773,766 km (0.092 R)
• M12: 10,010,491 km (0.118 R)
• M13: 10,616,063 km (0.087 R)
• M14: 11,666,839 km (0.093 R)
• M15: 12,744,243 km (0.057 R)
• M16: 13,075,901 km (0.073 R)
• M17: 14,061,751 km (0.102 R)
• M18: 14,730,753 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 9.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.89 AU - 7.35 AU

Year: 7235 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,333,187 km

• M1: 115,639 km (0.105 R)
• M2: 464,352 km (0.073 R)
• M3: 972,386 km (0.084 R)
• M4: 3,016,192 km (0.062 R)
• M5: 9,045,585 km (0.078 R)
• M6: 11,597,725 km (0.117 R)
• M7: 12,073,446 km (0.11 R)
• M8: 13,947,757 km (0.12 R)
• M9: 15,318,972 km (0.117 R)
• M10: 16,066,512 km (0.113 R)
• M11: 21,708,895 km (0.118 R)
• M12: 25,010,221 km (0.098 R)
• M13: 26,862,542 km (0.098 R)
• M14: 27,276,928 km (0.116 R)
• M15: 28,374,527 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 12

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.98 AU - 10.02 AU

Year: 11150 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,333,187 km

• M1: 159,023 km (0.11 R)
• M2: 594,801 km (0.055 R)
• M3: 1,843,794 km (0.107 R)
• M4: 3,980,500 km (0.092 R)
• M5: 4,554,358 km (0.112 R)
• M6: 7,212,712 km (0.073 R)
• M7: 8,520,347 km (0.086 R)
• M8: 9,069,521 km (0.116 R)
• M9: 9,684,069 km (0.074 R)
• M10: 10,905,386 km (0.1 R)
• M11: 12,977,316 km (0.11 R)
• M12: 14,570,384 km (0.084 R)
• M13: 16,469,080 km (0.115 R)
• M14: 21,175,130 km (0.107 R)
• M15: 25,969,442 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.9

Radius: 6.4

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 9.21 AU - 15.03 AU

Year: 16068 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,333,187 km

• M1: 81,381 km (0.065 R)
• M2: 465,549 km (0.086 R)
• M3: 1,278,613 km (0.107 R)
• M4: 1,806,693 km (0.045 R)
• M5: 2,258,329 km (0.045 R)
• M6: 2,981,785 km (0.05 R)
• M7: 3,586,310 km (0.076 R)
• M8: 4,069,960 km (0.095 R)
• M9: 6,146,528 km (0.077 R)
• M10: 6,409,670 km (0.044 R)
• M11: 7,162,297 km (0.09 R)
• M12: 11,485,825 km (0.063 R)
• M13: 11,713,214 km (0.052 R)
• M14: 12,001,639 km (0.089 R)
• M15: 12,353,942 km (0.087 R)
• M16: 12,834,450 km (0.11 R)
• M17: 13,961,072 km (0.027 R)
• M18: 14,482,420 km (0.087 R)
• M19: 16,338,032 km (0.113 R)
• M20: 17,962,665 km (0.1 R)
• M21: 18,346,384 km (0.116 R)
• M22: 18,814,176 km (0.058 R)
• M23: 19,050,990 km (0.1 R)
• M24: 19,611,234 km (0.077 R)
• M25: 20,597,233 km (0.097 R)
• M26: 21,962,763 km (0.055 R)
• M27: 22,846,138 km (0.072 R)
• M28: 26,420,031 km (0.09 R)
• M29: 28,754,805 km (0.1 R)
• M30: 31,003,560 km (0.109 R)
• M31: 34,297,855 km (0.12 R)
• M32: 34,888,617 km (0.053 R)
• M33: 37,443,449 km (0.063 R)
• M34: 50,112,893 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit