🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.5 AU - 0.6 AU

Year: 148 Days

Day: 16.9 Hours

Environment

Temp: 205 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.57 AU - 0.65 AU

Year: 173 Days

Day: 45.8 Hours

Environment

Temp: 170 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 84,617,972 km

• M1: 41,887 km (0.036 R)
• M2: 173,833 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.59 AU - 0.71 AU

Year: 190 Days

Day: 19.9 Hours

Environment

Temp: 201 °C

Axial Tilt: 49.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.71 AU - 0.91 AU

Year: 265 Days

Day: 41.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,617,972 km

• M1: 192,832 km (0.04 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.68 AU - 1.68 AU

Year: 791 Days

Day: 33.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.95 AU - 2.63 AU

Year: 1259 Days

Day: 21.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,617,972 km

• M1: 745,147 km (0.07 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.13 AU - 3.55 AU

Year: 2218 Days

Day: 34.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,617,972 km

• M1: 2,467,467 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.6

Radius: 4

Gravity: 41.79 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 15.39 AU - 17.05 AU

Year: 23741 Days

Day: 16.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 84,617,972 km

• M1: 307,124 km (0.091 R)
• M2: 364,121 km (0.111 R)
• M3: 1,081,593 km (0.077 R)
• M4: 1,170,454 km (0.075 R)
• M5: 1,261,708 km (0.057 R)
• M6: 1,323,792 km (0.101 R)
• M7: 1,516,324 km (0.051 R)
• M8: 1,549,385 km (0.07 R)
• M9: 1,717,683 km (0.07 R)
• M10: 1,963,322 km (0.103 R)
• M11: 2,145,533 km (0.078 R)
• M12: 2,333,128 km (0.082 R)
• M13: 3,177,160 km (0.083 R)
• M14: 3,347,701 km (0.07 R)
• M15: 3,477,702 km (0.084 R)
• M16: 3,922,456 km (0.05 R)
• M17: 4,244,540 km (0.108 R)
• M18: 4,291,215 km (0.12 R)
• M19: 4,338,039 km (0.094 R)
• M20: 4,575,002 km (0.093 R)
• M21: 4,670,894 km (0.055 R)
• M22: 5,411,404 km (0.106 R)
• M23: 6,670,120 km (0.107 R)
• M24: 6,998,338 km (0.086 R)
• M25: 7,109,040 km (0.067 R)
• M26: 7,275,992 km (0.109 R)
• M27: 7,557,086 km (0.047 R)
• M28: 7,784,624 km (0.106 R)
• M29: 9,196,080 km (0.092 R)
• M30: 9,377,991 km (0.094 R)
• M31: 9,868,822 km (0.103 R)
• M32: 10,939,494 km (0.066 R)
• M33: 11,390,980 km (0.064 R)
• M34: 12,178,912 km (0.106 R)
• M35: 12,312,054 km (0.085 R)
• M36: 12,378,775 km (0.084 R)
• M37: 12,714,024 km (0.055 R)
• M38: 13,945,663 km (0.105 R)
• M39: 14,787,750 km (0.103 R)
• M40: 16,154,326 km (0.103 R)
• M41: 16,594,144 km (0.116 R)
• M42: 19,082,854 km (0.089 R)
• M43: 19,625,595 km (0.075 R)
• M44: 20,330,650 km (0.038 R)
• M45: 20,646,750 km (0.085 R)
• M46: 21,203,703 km (0.081 R)
• M47: 21,363,773 km (0.07 R)
• M48: 21,846,375 km (0.044 R)
• M49: 22,008,091 km (0.085 R)
• M50: 22,986,311 km (0.092 R)
• M51: 24,480,046 km (0.086 R)
• M52: 24,732,118 km (0.118 R)
• M53: 26,433,944 km (0.04 R)
• M54: 26,865,234 km (0.107 R)
• M55: 28,349,245 km (0.068 R)
• M56: 29,412,587 km (0.056 R)
• M57: 30,941,178 km (0.084 R)
• M58: 31,122,790 km (0.106 R)
• M59: 31,213,596 km (0.075 R)
• M60: 31,760,974 km (0.032 R)
• M61: 33,514,710 km (0.108 R)
• M62: 34,638,489 km (0.084 R)
• M63: 37,211,722 km (0.082 R)
• M64: 40,637,813 km (0.094 R)
• M65: 41,434,870 km (0.111 R)
• M66: 41,534,951 km (0.119 R)
• M67: 41,635,032 km (0.047 R)
• M68: 42,337,843 km (0.117 R)
• M69: 42,640,180 km (0.083 R)
• M70: 44,777,186 km (0.086 R)
• M71: 49,048,504 km (0.099 R)
• M72: 49,578,081 km (0.089 R)
• M73: 51,931,255 km (0.076 R)
• M74: 52,362,995 km (0.111 R)
• M75: 52,904,389 km (0.044 R)
• M76: 54,320,632 km (0.095 R)
• M77: 64,344,438 km (0.117 R)
• M78: 65,738,690 km (0.05 R)
• M79: 66,439,556 km (0.105 R)
• M80: 67,495,567 km (0.094 R)
• M81: 68,793,628 km (0.097 R)
• M82: 69,861,906 km (0.091 R)
• M83: 70,219,296 km (0.094 R)
• M84: 70,457,755 km (0.075 R)
• M85: 70,816,042 km (0.117 R)
• M86: 72,737,327 km (0.104 R)
• M87: 74,310,797 km (0.116 R)
• M88: 74,675,517 km (0.105 R)
• M89: 75,651,045 km (0.107 R)
• M90: 75,895,637 km (0.06 R)
• M91: 77,122,190 km (0.08 R)
• M92: 78,726,478 km (0.103 R)
• M93: 81,591,875 km (0.072 R)

Kuiper Belt

Range: 30.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit