🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 14.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,935,158 km

• M1: 42,187 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.56 AU - 0.78 AU

Year: 354 Days

Day: 33.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 10.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.61 AU - 0.95 AU

Year: 445 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,935,158 km

• M1: 125,662 km (0.109 R)
• M2: 464,801 km (0.101 R)
• M3: 815,608 km (0.092 R)
• M4: 1,177,934 km (0.062 R)
• M5: 1,748,949 km (0.092 R)
• M6: 2,090,780 km (0.106 R)
• M7: 2,849,839 km (0.112 R)
• M8: 3,203,339 km (0.116 R)
• M9: 3,562,075 km (0.09 R)
• M10: 3,947,738 km (0.117 R)
• M11: 4,416,728 km (0.077 R)
• M12: 5,212,887 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.2

Radius: 8.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.35 AU - 1.67 AU

Year: 1198 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,935,158 km

• M1: 112,647 km (0.093 R)
• M2: 739,462 km (0.112 R)
• M3: 1,136,495 km (0.074 R)
• M4: 1,506,600 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.4

Radius: 13.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.83 AU - 1.97 AU

Year: 1691 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,935,158 km

• M1: 163,510 km (0.1 R)
• M2: 708,645 km (0.099 R)
• M3: 1,321,697 km (0.092 R)
• M4: 1,900,491 km (0.071 R)
• M5: 2,598,964 km (0.045 R)
• M6: 3,364,755 km (0.098 R)
• M7: 4,826,177 km (0.114 R)
• M8: 6,111,223 km (0.036 R)
• M9: 6,788,452 km (0.08 R)
• M10: 7,251,607 km (0.077 R)
• M11: 9,236,023 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 13.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.73 AU - 4.51 AU

Year: 4447 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,935,158 km

• M1: 174,880 km (0.087 R)
• M2: 805,585 km (0.109 R)
• M3: 1,474,287 km (0.118 R)
• M4: 2,003,863 km (0.038 R)
• M5: 2,863,602 km (0.088 R)
• M6: 4,067,566 km (0.084 R)
• M7: 6,832,883 km (0.119 R)
• M8: 7,556,488 km (0.101 R)
• M9: 8,114,338 km (0.065 R)
• M10: 9,157,035 km (0.103 R)
• M11: 13,367,767 km (0.052 R)
• M12: 15,309,846 km (0.078 R)
• M13: 17,314,158 km (0.094 R)
• M14: 21,216,868 km (0.083 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 15,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit