🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.6 AU - 0.72 AU

Year: 196 Days

Day: 47.3 Hours

Environment

Temp: 193 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,107,105 km

• M1: 51,611 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.64 AU - 0.76 AU

Year: 214 Days

Day: 20.7 Hours

Environment

Temp: 204 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.65 AU - 0.99 AU

Year: 271 Days

Day: 22.1 Hours

Environment

Temp: 134 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,107,105 km

• M1: 136,882 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.79 AU - 1.13 AU

Year: 344 Days

Day: 16.5 Hours

Environment

Temp: 50 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.81 AU - 1.21 AU

Year: 371 Days

Day: 26.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.97 AU - 1.53 AU

Year: 510 Days

Day: 21.2 Hours

Environment

Temp: -5 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 46,107,105 km

• M1: 175,777 km (0.055 R)
• M2: 221,854 km (0.082 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.24 AU - 2.04 AU

Year: 767 Days

Day: 16 Hours

Environment

Temp: -38 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.27 AU - 2.07 AU

Year: 788 Days

Day: 36.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 116.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 12.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.46 AU - 7.62 AU

Year: 6823 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 46,107,105 km

• M1: 172,038 km (0.038 R)
• M2: 255,962 km (0.114 R)
• M3: 347,067 km (0.077 R)
• M4: 428,747 km (0.096 R)
• M5: 519,404 km (0.092 R)
• M6: 785,389 km (0.068 R)
• M7: 865,872 km (0.11 R)
• M8: 1,036,264 km (0.043 R)
• M9: 1,125,874 km (0.064 R)
• M10: 1,260,362 km (0.091 R)
• M11: 1,411,606 km (0.064 R)
• M12: 1,512,135 km (0.118 R)
• M13: 1,603,689 km (0.094 R)
• M14: 2,205,821 km (0.053 R)
• M15: 2,297,375 km (0.097 R)
• M16: 2,403,589 km (0.069 R)
• M17: 2,579,965 km (0.056 R)
• M18: 2,774,592 km (0.099 R)
• M19: 3,003,327 km (0.097 R)
• M20: 3,178,955 km (0.105 R)
• M21: 3,297,885 km (0.042 R)
• M22: 3,586,609 km (0.075 R)
• M23: 3,979,004 km (0.052 R)
• M24: 4,172,434 km (0.092 R)
• M25: 4,303,033 km (0.112 R)
• M26: 4,652,643 km (0.077 R)
• M27: 4,805,383 km (0.111 R)
• M28: 4,959,618 km (0.1 R)
• M29: 5,220,666 km (0.062 R)
• M30: 5,629,667 km (0.11 R)
• M31: 5,756,227 km (0.091 R)
• M32: 5,920,336 km (0.089 R)
• M33: 6,030,589 km (0.069 R)
• M34: 6,745,069 km (0.096 R)
• M35: 7,308,454 km (0.082 R)
• M36: 7,446,832 km (0.1 R)
• M37: 7,665,844 km (0.091 R)
• M38: 8,709,289 km (0.096 R)
• M39: 9,558,706 km (0.064 R)
• M40: 9,775,323 km (0.078 R)
• M41: 9,971,596 km (0.091 R)
• M42: 11,313,189 km (0.091 R)
• M43: 11,749,866 km (0.118 R)
• M44: 12,239,051 km (0.095 R)
• M45: 12,474,218 km (0.08 R)
• M46: 12,829,962 km (0.116 R)
• M47: 13,309,573 km (0.097 R)
• M48: 13,721,715 km (0.082 R)
• M49: 14,434,699 km (0.039 R)
• M50: 15,437,752 km (0.112 R)
• M51: 15,564,761 km (0.11 R)
• M52: 15,692,069 km (0.095 R)
• M53: 15,922,150 km (0.074 R)
• M54: 16,282,232 km (0.094 R)
• M55: 16,723,097 km (0.098 R)
• M56: 16,984,295 km (0.1 R)
• M57: 17,194,181 km (0.075 R)
• M58: 17,749,488 km (0.053 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 8.9

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.58 AU - 9.38 AU

Year: 8234 Days

Day: 11.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 46,107,105 km

• M1: 118,182 km (0.09 R)
• M2: 186,848 km (0.085 R)
• M3: 281,693 km (0.09 R)
• M4: 535,261 km (0.116 R)
• M5: 609,611 km (0.107 R)
• M6: 872,904 km (0.062 R)
• M7: 980,913 km (0.084 R)
• M8: 1,352,514 km (0.089 R)
• M9: 1,720,525 km (0.117 R)
• M10: 1,857,856 km (0.093 R)
• M11: 1,927,868 km (0.068 R)
• M12: 1,998,927 km (0.045 R)
• M13: 2,070,734 km (0.096 R)
• M14: 2,143,438 km (0.082 R)
• M15: 2,217,040 km (0.104 R)
• M16: 2,520,126 km (0.081 R)
• M17: 2,650,276 km (0.041 R)
• M18: 2,999,437 km (0.113 R)
• M19: 3,221,590 km (0.078 R)
• M20: 3,391,833 km (0.053 R)
• M21: 3,449,129 km (0.071 R)
• M22: 3,740,994 km (0.094 R)
• M23: 3,860,074 km (0.117 R)
• M24: 4,348,810 km (0.057 R)
• M25: 4,792,368 km (0.052 R)
• M26: 5,118,192 km (0.105 R)
• M27: 5,250,586 km (0.111 R)
• M28: 5,350,667 km (0.118 R)
• M29: 5,654,500 km (0.11 R)
• M30: 5,964,018 km (0.054 R)
• M31: 6,385,436 km (0.083 R)
• M32: 7,145,841 km (0.107 R)
• M33: 8,242,543 km (0.116 R)
• M34: 8,830,314 km (0.106 R)
• M35: 10,504,762 km (0.093 R)
• M36: 10,673,359 km (0.103 R)
• M37: 10,970,461 km (0.087 R)
• M38: 11,529,508 km (0.096 R)
• M39: 11,659,808 km (0.032 R)
• M40: 12,318,786 km (0.084 R)
• M41: 12,541,238 km (0.085 R)
• M42: 13,035,061 km (0.064 R)
• M43: 13,216,224 km (0.035 R)
• M44: 14,227,655 km (0.107 R)
• M45: 15,454,806 km (0.108 R)
• M46: 15,984,084 km (0.069 R)
• M47: 16,129,493 km (0.059 R)
• M48: 17,060,590 km (0.083 R)
• M49: 17,408,106 km (0.025 R)
• M50: 18,110,019 km (0.085 R)
• M51: 18,464,416 km (0.103 R)
• M52: 19,231,554 km (0.07 R)
• M53: 19,437,850 km (0.07 R)
• M54: 19,541,371 km (0.114 R)
• M55: 20,061,224 km (0.034 R)
• M56: 20,691,330 km (0.095 R)
• M57: 20,849,754 km (0.112 R)
• M58: 21,327,720 km (0.103 R)
• M59: 21,434,533 km (0.112 R)
• M60: 22,674,400 km (0.096 R)
• M61: 23,111,076 km (0.119 R)
• M62: 23,550,594 km (0.106 R)
• M63: 23,660,848 km (0.11 R)
• M64: 23,992,806 km (0.1 R)
• M65: 24,048,307 km (0.113 R)
• M66: 24,773,407 km (0.026 R)
• M67: 25,054,203 km (0.045 R)
• M68: 25,110,451 km (0.067 R)
• M69: 26,473,886 km (0.038 R)
• M70: 26,588,628 km (0.088 R)
• M71: 26,760,965 km (0.116 R)
• M72: 26,933,601 km (0.069 R)
• M73: 27,570,289 km (0.057 R)
• M74: 29,035,301 km (0.119 R)
• M75: 30,165,663 km (0.099 R)
• M76: 31,674,806 km (0.094 R)
• M77: 32,530,655 km (0.077 R)
• M78: 33,642,018 km (0.095 R)
• M79: 33,828,567 km (0.104 R)
• M80: 34,015,265 km (0.084 R)
• M81: 35,395,754 km (0.045 R)
• M82: 36,283,617 km (0.104 R)
• M83: 36,411,075 km (0.033 R)
• M84: 38,405,364 km (0.046 R)
• M85: 39,907,925 km (0.104 R)
• M86: 39,973,598 km (0.063 R)
• M87: 40,303,013 km (0.057 R)
• M88: 40,699,447 km (0.061 R)
• M89: 41,296,492 km (0.086 R)
• M90: 41,696,068 km (0.08 R)
• M91: 42,432,090 km (0.068 R)
• M92: 43,984,916 km (0.086 R)
• M93: 44,665,885 km (0.089 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: 239 - 13,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit