🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.52 AU - 0.54 AU

Year: 138 Days

Day: 47.8 Hours

Environment

Temp: 227 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,009,262 km

• M1: 172,038 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.79 AU - 1.11 AU

Year: 332 Days

Day: 36.6 Hours

Environment

Temp: 134 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.32 AU - 1.64 AU

Year: 645 Days

Day: 29.8 Hours

Environment

Temp: -31 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.08 AU - 2.62 AU

Year: 1290 Days

Day: 18.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,009,262 km

• M1: 151,243 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.78 AU - 3.94 AU

Year: 2716 Days

Day: 17.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 5.7

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.31 AU - 14.93 AU

Year: 18003 Days

Day: 18.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,009,262 km

• M1: 112,946 km (0.067 R)
• M2: 305,628 km (0.087 R)
• M3: 502,200 km (0.104 R)
• M4: 541,993 km (0.104 R)
• M5: 582,833 km (0.099 R)
• M6: 625,020 km (0.041 R)
• M7: 780,602 km (0.089 R)
• M8: 1,024,147 km (0.114 R)
• M9: 1,489,696 km (0.056 R)
• M10: 1,885,232 km (0.12 R)
• M11: 2,277,927 km (0.077 R)
• M12: 3,061,371 km (0.04 R)
• M13: 3,212,016 km (0.104 R)
• M14: 3,481,741 km (0.071 R)
• M15: 3,520,935 km (0.118 R)
• M16: 4,084,022 km (0.116 R)
• M17: 4,208,338 km (0.101 R)
• M18: 4,718,167 km (0.09 R)
• M19: 4,980,412 km (0.09 R)
• M20: 5,656,445 km (0.082 R)
• M21: 5,841,647 km (0.119 R)
• M22: 7,646,546 km (0.079 R)
• M23: 7,697,558 km (0.087 R)
• M24: 7,748,571 km (0.107 R)
• M25: 8,213,821 km (0.062 R)
• M26: 8,848,265 km (0.12 R)
• M27: 9,553,170 km (0.108 R)
• M28: 10,107,580 km (0.111 R)
• M29: 10,332,276 km (0.072 R)
• M30: 10,558,618 km (0.036 R)
• M31: 12,128,797 km (0.095 R)
• M32: 14,458,933 km (0.089 R)
• M33: 18,065,588 km (0.054 R)
• M34: 18,201,872 km (0.119 R)
• M35: 18,681,034 km (0.099 R)
• M36: 19,721,786 km (0.116 R)
• M37: 20,710,180 km (0.114 R)
• M38: 20,852,597 km (0.062 R)
• M39: 21,354,049 km (0.07 R)
• M40: 21,426,005 km (0.118 R)
• M41: 21,859,241 km (0.085 R)
• M42: 22,222,614 km (0.088 R)
• M43: 22,368,472 km (0.106 R)
• M44: 23,472,804 km (0.099 R)
• M45: 23,621,504 km (0.071 R)
• M46: 23,844,853 km (0.058 R)
• M47: 23,994,302 km (0.09 R)
• M48: 24,143,900 km (0.11 R)
• M49: 25,200,360 km (0.115 R)
• M50: 25,657,680 km (0.077 R)
• M51: 25,964,057 km (0.117 R)
• M52: 26,117,843 km (0.027 R)
• M53: 27,906,585 km (0.103 R)
• M54: 27,985,274 km (0.096 R)
• M55: 28,221,788 km (0.049 R)
• M56: 31,682,884 km (0.11 R)
• M57: 32,341,414 km (0.071 R)
• M58: 32,755,351 km (0.076 R)
• M59: 33,087,758 km (0.113 R)
• M60: 35,360,449 km (0.042 R)
• M61: 37,249,122 km (0.104 R)
• M62: 38,380,531 km (0.059 R)
• M63: 38,731,038 km (0.102 R)
• M64: 39,258,520 km (0.077 R)
• M65: 40,143,093 km (0.043 R)
• M66: 40,855,478 km (0.041 R)
• M67: 41,034,247 km (0.078 R)
• M68: 41,841,776 km (0.106 R)
• M69: 44,571,489 km (0.091 R)
• M70: 45,772,012 km (0.113 R)
• M71: 46,329,713 km (0.092 R)
• M72: 46,702,810 km (0.051 R)
• M73: 46,796,159 km (0.051 R)
• M74: 47,076,804 km (0.091 R)
• M75: 47,264,250 km (0.117 R)
• M76: 47,733,838 km (0.095 R)
• M77: 49,246,871 km (0.109 R)
• M78: 49,342,015 km (0.081 R)
• M79: 49,532,304 km (0.104 R)
• M80: 51,352,910 km (0.067 R)
• M81: 52,805,655 km (0.104 R)
• M82: 56,048,787 km (0.079 R)
• M83: 56,446,269 km (0.104 R)
• M84: 57,544,018 km (0.047 R)
• M85: 58,548,268 km (0.084 R)
• M86: 61,492,953 km (0.055 R)
• M87: 62,313,796 km (0.06 R)
• M88: 66,366,552 km (0.053 R)
• M89: 66,997,706 km (0.096 R)
• M90: 67,313,955 km (0.085 R)
• M91: 67,842,186 km (0.083 R)
• M92: 68,902,685 km (0.08 R)
• M93: 72,009,234 km (0.055 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 19,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit