🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.81 AU - 1.23 AU

Year: 388 Days

Day: 39.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.13 AU - 1.75 AU

Year: 651 Days

Day: 28.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.36 AU - 2.26 AU

Year: 917 Days

Day: 25.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.39 AU - 2.47 AU

Year: 1427 Days

Day: 44.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,055,162 km

• M1: 2,318,767 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.17 AU - 3.17 AU

Year: 1644 Days

Day: 22.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,055,162 km

• M1: 1,109,867 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.84 AU - 3.28 AU

Year: 2017 Days

Day: 46.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,055,162 km

• M1: 277,504 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250

Radius: 6.3

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 16.47 AU - 16.81 AU

Year: 25572 Days

Day: 22.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 64,055,162 km

• M1: 195,824 km (0.05 R)
• M2: 362,176 km (0.052 R)
• M3: 590,164 km (0.1 R)
• M4: 709,543 km (0.091 R)
• M5: 815,159 km (0.074 R)
• M6: 995,275 km (0.081 R)
• M7: 2,671,668 km (0.084 R)
• M8: 4,096,289 km (0.086 R)
• M9: 5,335,109 km (0.037 R)
• M10: 5,544,995 km (0.067 R)
• M11: 5,587,331 km (0.072 R)
• M12: 5,672,302 km (0.106 R)
• M13: 6,770,351 km (0.095 R)
• M14: 6,951,963 km (0.118 R)
• M15: 8,268,125 km (0.088 R)
• M16: 8,365,064 km (0.082 R)
• M17: 8,707,194 km (0.028 R)
• M18: 10,225,014 km (0.065 R)
• M19: 12,206,438 km (0.12 R)
• M20: 12,316,841 km (0.079 R)
• M21: 12,372,193 km (0.056 R)
• M22: 12,705,946 km (0.098 R)
• M23: 13,268,882 km (0.101 R)
• M24: 13,782,302 km (0.111 R)
• M25: 14,244,260 km (0.099 R)
• M26: 14,887,681 km (0.098 R)
• M27: 16,021,184 km (0.059 R)
• M28: 16,874,041 km (0.114 R)
• M29: 17,306,080 km (0.039 R)
• M30: 17,492,329 km (0.109 R)
• M31: 17,679,177 km (0.062 R)
• M32: 18,370,170 km (0.11 R)
• M33: 18,433,450 km (0.077 R)
• M34: 18,496,730 km (0.104 R)
• M35: 19,391,026 km (0.098 R)
• M36: 20,758,500 km (0.091 R)
• M37: 21,022,540 km (0.055 R)
• M38: 21,154,934 km (0.094 R)
• M39: 21,821,243 km (0.085 R)
• M40: 22,156,941 km (0.108 R)
• M41: 23,860,860 km (0.059 R)
• M42: 23,999,089 km (0.066 R)
• M43: 24,137,467 km (0.118 R)
• M44: 24,414,971 km (0.084 R)
• M45: 25,043,581 km (0.049 R)
• M46: 25,465,447 km (0.104 R)
• M47: 26,173,943 km (0.045 R)
• M48: 26,602,092 km (0.082 R)
• M49: 27,393,165 km (0.042 R)
• M50: 27,900,452 km (0.063 R)
• M51: 28,411,029 km (0.109 R)
• M52: 29,812,013 km (0.096 R)
• M53: 30,184,512 km (0.114 R)
• M54: 30,708,553 km (0.075 R)
• M55: 31,311,134 km (0.085 R)
• M56: 31,462,377 km (0.04 R)
• M57: 33,142,062 km (0.082 R)
• M58: 33,605,217 km (0.065 R)
• M59: 33,682,559 km (0.118 R)
• M60: 33,760,051 km (0.111 R)
• M61: 35,321,703 km (0.065 R)
• M62: 35,557,918 km (0.067 R)
• M63: 35,794,731 km (0.073 R)
• M64: 36,428,727 km (0.12 R)
• M65: 36,667,485 km (0.076 R)
• M66: 37,386,602 km (0.091 R)
• M67: 37,627,455 km (0.097 R)
• M68: 37,707,789 km (0.068 R)
• M69: 38,352,855 km (0.096 R)
• M70: 39,082,893 km (0.066 R)
• M71: 39,164,423 km (0.064 R)
• M72: 39,572,227 km (0.108 R)
• M73: 40,392,173 km (0.066 R)
• M74: 40,556,731 km (0.108 R)
• M75: 41,466,435 km (0.095 R)
• M76: 42,215,622 km (0.1 R)
• M77: 44,574,930 km (0.027 R)
• M78: 46,717,470 km (0.089 R)
• M79: 46,803,788 km (0.037 R)
• M80: 47,323,342 km (0.118 R)
• M81: 47,410,108 km (0.11 R)
• M82: 47,670,708 km (0.103 R)
• M83: 48,455,498 km (0.068 R)
• M84: 51,547,537 km (0.077 R)
• M85: 53,433,068 km (0.106 R)
• M86: 54,520,794 km (0.087 R)
• M87: 56,533,634 km (0.098 R)
• M88: 57,641,705 km (0.1 R)
• M89: 58,477,508 km (0.098 R)
• M90: 60,820,211 km (0.115 R)
• M91: 63,575,953 km (0.08 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: 329 - 18,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit