🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.77 AU - 1.15 AU

Year: 345 Days

Day: 17.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 94,408,222 km

• M1: 52,509 km (0.06 R)
• M2: 97,239 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.93 AU - 2.07 AU

Year: 1038 Days

Day: 44.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,408,222 km

• M1: 1,212,192 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.04 AU - 2.62 AU

Year: 1306 Days

Day: 46.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,408,222 km

• M1: 33,061 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.57 AU - 2.79 AU

Year: 1611 Days

Day: 24.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.82 AU - 2.82 AU

Year: 1738 Days

Day: 22.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.06 AU - 5 AU

Year: 3539 Days

Day: 47.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.3

Radius: 4.8

Gravity: 31.13 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 16.56 AU - 18.56 AU

Year: 27012 Days

Day: 17.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 94,408,222 km

• M1: 69,563 km (0.118 R)
• M2: 404,213 km (0.056 R)
• M3: 628,461 km (0.082 R)
• M4: 781,050 km (0.119 R)
• M5: 933,491 km (0.048 R)
• M6: 1,299,856 km (0.069 R)
• M7: 1,605,784 km (0.096 R)
• M8: 1,855,612 km (0.039 R)
• M9: 3,151,279 km (0.026 R)
• M10: 3,450,325 km (0.103 R)
• M11: 3,900,465 km (0.108 R)
• M12: 4,209,834 km (0.071 R)
• M13: 4,461,607 km (0.1 R)
• M14: 4,995,372 km (0.05 R)
• M15: 6,143,386 km (0.104 R)
• M16: 6,373,767 km (0.106 R)
• M17: 6,754,493 km (0.056 R)
• M18: 7,099,765 km (0.096 R)
• M19: 8,486,388 km (0.036 R)
• M20: 9,243,204 km (0.049 R)
• M21: 10,363,991 km (0.112 R)
• M22: 11,572,442 km (0.1 R)
• M23: 13,249,435 km (0.115 R)
• M24: 14,426,471 km (0.117 R)
• M25: 14,751,696 km (0.106 R)
• M26: 15,165,185 km (0.064 R)
• M27: 16,188,883 km (0.111 R)
• M28: 17,257,910 km (0.067 R)
• M29: 17,624,574 km (0.105 R)
• M30: 19,436,952 km (0.088 R)
• M31: 25,850,811 km (0.047 R)
• M32: 38,137,135 km (0.092 R)
• M33: 40,182,287 km (0.094 R)
• M34: 42,299,247 km (0.098 R)
• M35: 44,147,678 km (0.045 R)
• M36: 44,660,948 km (0.119 R)
• M37: 47,466,058 km (0.052 R)
• M38: 52,080,404 km (0.051 R)
• M39: 67,473,277 km (0.083 R)
• M40: 71,627,760 km (0.053 R)
• M41: 76,686,412 km (0.095 R)
• M42: 81,720,530 km (0.092 R)
• M43: 93,843,193 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 12,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit