🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.62 AU - 0.62 AU

Year: 179 Days

Day: 33.8 Hours

Environment

Temp: 218 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.56 AU - 0.84 AU

Year: 215 Days

Day: 26.9 Hours

Environment

Temp: 132 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.02 AU - 1.1 AU

Year: 401 Days

Day: 13.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 156 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.76 AU - 4.52 AU

Year: 3092 Days

Day: 26.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 98.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 13.5

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.02 AU - 7.02 AU

Year: 6828 Days

Day: 8.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,476,600 km

• M1: 172,786 km (0.104 R)
• M2: 642,672 km (0.099 R)
• M3: 1,148,612 km (0.086 R)
• M4: 2,185,475 km (0.054 R)
• M5: 2,913,568 km (0.071 R)
• M6: 3,433,720 km (0.089 R)
• M7: 4,089,707 km (0.118 R)
• M8: 5,229,942 km (0.05 R)
• M9: 7,103,655 km (0.093 R)
• M10: 8,456,319 km (0.08 R)
• M11: 11,923,848 km (0.113 R)
• M12: 16,372,290 km (0.105 R)
• M13: 21,434,981 km (0.039 R)
• M14: 24,656,272 km (0.028 R)
• M15: 25,769,280 km (0.062 R)
• M16: 27,728,564 km (0.05 R)
• M17: 29,977,469 km (0.101 R)
• M18: 31,047,692 km (0.088 R)
• M19: 34,623,081 km (0.098 R)
• M20: 36,127,287 km (0.033 R)
• M21: 36,895,472 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 14.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 11.78 AU - 12.24 AU

Year: 15279 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,476,600 km

• M1: 176,974 km (0.069 R)
• M2: 767,437 km (0.109 R)
• M3: 2,215,694 km (0.087 R)
• M4: 3,960,604 km (0.112 R)
• M5: 4,464,000 km (0.118 R)
• M6: 7,093,033 km (0.081 R)
• M7: 7,585,210 km (0.067 R)
• M8: 8,213,521 km (0.107 R)
• M9: 9,118,888 km (0.043 R)
• M10: 9,617,198 km (0.098 R)
• M11: 10,623,094 km (0.036 R)
• M12: 11,795,044 km (0.116 R)
• M13: 13,792,924 km (0.066 R)
• M14: 17,043,835 km (0.094 R)
• M15: 17,994,829 km (0.045 R)
• M16: 27,860,659 km (0.096 R)
• M17: 31,377,256 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.5

Radius: 7.5

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.58 AU - 15.96 AU

Year: 18757 Days

Day: 15.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,476,600 km

• M1: 95,443 km (0.103 R)
• M2: 603,627 km (0.076 R)
• M3: 860,637 km (0.119 R)
• M4: 3,074,535 km (0.117 R)
• M5: 3,347,701 km (0.065 R)
• M6: 4,236,013 km (0.103 R)
• M7: 4,899,031 km (0.109 R)
• M8: 5,134,797 km (0.032 R)
• M9: 5,813,224 km (0.027 R)
• M10: 9,753,931 km (0.049 R)
• M11: 11,250,508 km (0.119 R)
• M12: 11,962,444 km (0.029 R)
• M13: 14,075,065 km (0.075 R)
• M14: 15,686,833 km (0.075 R)
• M15: 18,370,020 km (0.055 R)
• M16: 19,023,613 km (0.111 R)
• M17: 21,884,673 km (0.081 R)
• M18: 22,619,198 km (0.111 R)
• M19: 25,119,876 km (0.054 R)
• M20: 26,747,202 km (0.096 R)
• M21: 27,692,810 km (0.088 R)
• M22: 28,878,523 km (0.102 R)
• M23: 30,663,225 km (0.077 R)
• M24: 31,698,742 km (0.06 R)
• M25: 33,355,538 km (0.1 R)
• M26: 36,969,823 km (0.102 R)
• M27: 38,274,316 km (0.112 R)
• M28: 40,836,928 km (0.092 R)
• M29: 43,944,375 km (0.094 R)
• M30: 46,001,794 km (0.112 R)
• M31: 47,205,907 km (0.103 R)
• M32: 47,969,156 km (0.106 R)
• M33: 50,784,588 km (0.109 R)
• M34: 56,058,660 km (0.036 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit