🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.54 AU - 0.84 AU

Year: 243 Days

Day: 39.4 Hours

Environment

Temp: -3 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.56 AU - 0.82 AU

Year: 243 Days

Day: 23 Hours

Environment

Temp: -3 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.96 AU - 1.12 AU

Year: 450 Days

Day: 17.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 127.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 31,468,672 km

• M1: 80,633 km (0.084 R)
• M2: 249,529 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.89 AU - 2.13 AU

Year: 1210 Days

Day: 35.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.66 AU - 2.52 AU

Year: 1283 Days

Day: 36.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.48 AU - 3.04 AU

Year: 1947 Days

Day: 26.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 12.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.78 AU - 9.04 AU

Year: 11293 Days

Day: 14 Hours

Environment

Temp: -194 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 31,468,672 km

• M1: 275,559 km (0.12 R)
• M2: 364,121 km (0.103 R)
• M3: 478,264 km (0.073 R)
• M4: 654,341 km (0.117 R)
• M5: 815,159 km (0.091 R)
• M6: 935,136 km (0.07 R)
• M7: 1,134,401 km (0.12 R)
• M8: 1,460,674 km (0.061 R)
• M9: 1,764,208 km (0.11 R)
• M10: 2,257,581 km (0.094 R)
• M11: 2,392,668 km (0.12 R)
• M12: 2,550,195 km (0.114 R)
• M13: 3,022,775 km (0.104 R)
• M14: 4,025,978 km (0.099 R)
• M15: 4,143,562 km (0.06 R)
• M16: 4,238,407 km (0.073 R)
• M17: 4,551,814 km (0.114 R)
• M18: 5,278,112 km (0.102 R)
• M19: 5,563,246 km (0.103 R)
• M20: 5,826,837 km (0.108 R)
• M21: 5,933,351 km (0.115 R)
• M22: 6,013,834 km (0.062 R)
• M23: 6,148,622 km (0.069 R)
• M24: 6,393,813 km (0.079 R)
• M25: 6,586,794 km (0.085 R)
• M26: 6,669,971 km (0.088 R)
• M27: 6,837,670 km (0.029 R)
• M28: 7,406,740 km (0.094 R)
• M29: 7,493,357 km (0.028 R)
• M30: 7,755,453 km (0.065 R)
• M31: 7,990,920 km (0.087 R)
• M32: 8,228,930 km (0.107 R)
• M33: 8,772,868 km (0.112 R)
• M34: 8,926,056 km (0.044 R)
• M35: 9,049,175 km (0.12 R)
• M36: 9,359,591 km (0.086 R)
• M37: 9,705,162 km (0.066 R)
• M38: 9,991,043 km (0.088 R)
• M39: 10,151,113 km (0.117 R)
• M40: 10,409,020 km (0.115 R)
• M41: 10,832,681 km (0.066 R)
• M42: 10,997,089 km (0.109 R)
• M43: 11,361,809 km (0.092 R)
• M44: 11,462,039 km (0.075 R)
• M45: 11,663,248 km (0.038 R)
• M46: 12,137,324 km (0.068 R)
• M47: 13,069,618 km (0.097 R)
• M48: 13,385,419 km (0.116 R)
• M49: 13,917,539 km (0.079 R)
• M50: 14,096,458 km (0.082 R)
• M51: 14,204,168 km (0.108 R)
• M52: 14,384,284 km (0.114 R)
• M53: 15,333,333 km (0.109 R)
• M54: 15,592,287 km (0.12 R)
• M55: 16,718,460 km (0.062 R)
• M56: 18,614,014 km (0.088 R)
• M57: 19,446,975 km (0.094 R)
• M58: 19,527,010 km (0.114 R)
• M59: 19,807,805 km (0.105 R)
• M60: 20,251,812 km (0.117 R)
• M61: 20,373,435 km (0.048 R)
• M62: 20,536,048 km (0.113 R)
• M63: 20,780,640 km (0.062 R)
• M64: 21,149,549 km (0.106 R)
• M65: 21,893,648 km (0.097 R)
• M66: 23,663,391 km (0.089 R)
• M67: 24,005,671 km (0.073 R)
• M68: 24,306,512 km (0.111 R)
• M69: 24,522,233 km (0.095 R)
• M70: 24,651,934 km (0.104 R)
• M71: 24,868,552 km (0.099 R)
• M72: 25,260,199 km (0.079 R)
• M73: 26,447,408 km (0.088 R)
• M74: 27,248,953 km (0.091 R)
• M75: 27,742,626 km (0.074 R)
• M76: 28,784,575 km (0.087 R)
• M77: 29,793,314 km (0.105 R)
• M78: 30,255,571 km (0.115 R)
• M79: 30,441,222 km (0.09 R)
• M80: 30,627,172 km (0.079 R)
• M81: 30,766,896 km (0.054 R)
• M82: 31,234,091 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 11,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit