🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.54 AU - 2.04 AU

Year: 842 Days

Day: 21.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,234,412 km

• M1: 38,746 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.27 AU - 2.55 AU

Year: 1315 Days

Day: 46 Hours

Environment

Temp: -72 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,234,412 km

• M1: 267,780 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.36 AU - 2.84 AU

Year: 1473 Days

Day: 38.2 Hours

Environment

Temp: -70 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.95 AU - 3.41 AU

Year: 1993 Days

Day: 23.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,234,412 km

• M1: 1,525,001 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.48 AU - 4.02 AU

Year: 2059 Days

Day: 12.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 11.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.84 AU - 6.36 AU

Year: 5295 Days

Day: 8.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,234,412 km

• M1: 139,724 km (0.113 R)
• M2: 688,599 km (0.063 R)
• M3: 1,175,390 km (0.077 R)
• M4: 1,641,986 km (0.083 R)
• M5: 2,047,546 km (0.079 R)
• M6: 2,488,710 km (0.114 R)
• M7: 3,083,511 km (0.118 R)
• M8: 5,811,428 km (0.045 R)
• M9: 6,306,448 km (0.114 R)
• M10: 9,217,174 km (0.098 R)
• M11: 15,625,946 km (0.078 R)
• M12: 17,464,205 km (0.059 R)
• M13: 18,934,453 km (0.098 R)
• M14: 23,986,373 km (0.08 R)
• M15: 25,034,007 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 8.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.33 AU - 10.19 AU

Year: 9112 Days

Day: 8.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,234,412 km

• M1: 102,026 km (0.12 R)
• M2: 518,656 km (0.12 R)
• M3: 1,007,841 km (0.112 R)
• M4: 1,290,431 km (0.116 R)
• M5: 1,599,650 km (0.058 R)
• M6: 2,550,494 km (0.06 R)
• M7: 3,367,747 km (0.041 R)
• M8: 3,886,253 km (0.074 R)
• M9: 4,511,423 km (0.101 R)
• M10: 5,541,105 km (0.115 R)
• M11: 8,016,950 km (0.119 R)
• M12: 10,408,421 km (0.091 R)
• M13: 11,149,081 km (0.101 R)
• M14: 12,790,319 km (0.091 R)
• M15: 13,581,991 km (0.099 R)
• M16: 17,897,740 km (0.053 R)
• M17: 18,247,051 km (0.095 R)
• M18: 18,600,999 km (0.115 R)
• M19: 19,249,656 km (0.051 R)
• M20: 21,053,058 km (0.109 R)
• M21: 21,678,377 km (0.049 R)
• M22: 22,802,455 km (0.082 R)
• M23: 27,043,256 km (0.075 R)
• M24: 33,972,031 km (0.063 R)
• M25: 34,292,918 km (0.093 R)
• M26: 38,534,317 km (0.12 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 15,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit