🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.53 AU - 0.81 AU

Year: 349 Days

Day: 22.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 9.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.88 AU - 0.94 AU

Year: 552 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 10,901,078 km

• M1: 121,174 km (0.071 R)
• M2: 494,571 km (0.074 R)
• M3: 958,474 km (0.095 R)
• M4: 1,539,661 km (0.108 R)
• M5: 2,350,332 km (0.091 R)
• M6: 2,761,577 km (0.042 R)
• M7: 3,480,245 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 10.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.97 AU - 1.15 AU

Year: 694 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,901,078 km

• M1: 133,142 km (0.102 R)
• M2: 528,080 km (0.066 R)
• M3: 990,188 km (0.098 R)
• M4: 1,473,539 km (0.1 R)
• M5: 1,982,770 km (0.094 R)
• M6: 2,639,654 km (0.114 R)
• M7: 3,080,370 km (0.049 R)
• M8: 3,436,263 km (0.075 R)
• M9: 4,277,602 km (0.036 R)
• M10: 5,058,802 km (0.108 R)
• M11: 5,932,603 km (0.119 R)
• M12: 7,250,560 km (0.117 R)
• M13: 7,792,104 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 12.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.27 AU - 1.67 AU

Year: 1133 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 10,901,078 km

• M1: 151,692 km (0.055 R)
• M2: 966,701 km (0.081 R)
• M3: 1,457,682 km (0.099 R)
• M4: 2,129,974 km (0.097 R)
• M5: 3,153,224 km (0.115 R)
• M6: 4,479,559 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 14.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.3 AU - 1.9 AU

Year: 1287 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 10,901,078 km

• M1: 179,966 km (0.087 R)
• M2: 650,751 km (0.045 R)
• M3: 1,202,468 km (0.111 R)
• M4: 1,652,159 km (0.091 R)
• M5: 2,196,246 km (0.12 R)
• M6: 3,029,506 km (0.072 R)
• M7: 3,952,077 km (0.085 R)
• M8: 4,612,551 km (0.1 R)
• M9: 5,465,409 km (0.092 R)
• M10: 6,090,877 km (0.072 R)
• M11: 7,046,509 km (0.05 R)
• M12: 7,611,091 km (0.085 R)
• M13: 8,312,256 km (0.078 R)
• M14: 9,995,083 km (0.027 R)
• M15: 10,868,884 km (0.086 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 12,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit