🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.58 AU - 0.72 AU

Year: 344 Days

Day: 43 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 14

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.6 AU - 0.98 AU

Year: 461 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,044,075 km

• M1: 174,132 km (0.06 R)
• M2: 722,109 km (0.106 R)
• M3: 1,311,375 km (0.12 R)
• M4: 1,847,833 km (0.093 R)
• M5: 2,522,669 km (0.097 R)
• M6: 3,545,769 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.8

Radius: 9.4

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.83 AU - 3.63 AU

Year: 3808 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,044,075 km

• M1: 119,529 km (0.097 R)
• M2: 525,837 km (0.116 R)
• M3: 944,860 km (0.111 R)
• M4: 1,437,037 km (0.074 R)
• M5: 2,327,444 km (0.086 R)
• M6: 2,780,276 km (0.064 R)
• M7: 3,157,562 km (0.047 R)
• M8: 3,971,973 km (0.095 R)
• M9: 4,287,924 km (0.065 R)
• M10: 5,365,926 km (0.099 R)
• M11: 7,767,121 km (0.105 R)
• M12: 8,119,574 km (0.054 R)
• M13: 8,971,085 km (0.119 R)
• M14: 10,720,931 km (0.047 R)
• M15: 12,022,582 km (0.052 R)
• M16: 12,979,710 km (0.083 R)
• M17: 13,577,802 km (0.025 R)
• M18: 15,538,432 km (0.059 R)
• M19: 16,731,475 km (0.076 R)
• M20: 17,083,329 km (0.118 R)
• M21: 18,045,692 km (0.116 R)
• M22: 20,078,278 km (0.094 R)
• M23: 21,286,431 km (0.038 R)
• M24: 22,684,872 km (0.083 R)
• M25: 25,663,814 km (0.111 R)
• M26: 25,975,426 km (0.078 R)
• M27: 26,289,432 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 13.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.49 AU - 5.83 AU

Year: 7689 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,044,075 km

• M1: 167,101 km (0.03 R)
• M2: 650,900 km (0.101 R)
• M3: 2,008,351 km (0.06 R)
• M4: 2,858,965 km (0.032 R)
• M5: 3,333,639 km (0.077 R)
• M6: 3,962,997 km (0.098 R)
• M7: 5,333,463 km (0.091 R)
• M8: 5,888,172 km (0.114 R)
• M9: 6,663,089 km (0.118 R)
• M10: 7,190,870 km (0.104 R)
• M11: 11,070,392 km (0.102 R)
• M12: 12,930,342 km (0.091 R)
• M13: 13,514,971 km (0.064 R)
• M14: 15,246,566 km (0.107 R)
• M15: 16,435,121 km (0.087 R)
• M16: 16,913,685 km (0.096 R)
• M17: 17,898,637 km (0.115 R)
• M18: 18,625,533 km (0.11 R)
• M19: 19,752,454 km (0.119 R)
• M20: 22,142,280 km (0.086 R)
• M21: 22,726,460 km (0.085 R)
• M22: 26,079,397 km (0.094 R)
• M23: 28,164,342 km (0.03 R)
• M24: 28,653,228 km (0.091 R)
• M25: 29,347,362 km (0.068 R)
• M26: 33,969,637 km (0.061 R)
• M27: 34,747,097 km (0.05 R)
• M28: 38,214,626 km (0.062 R)
• M29: 39,664,080 km (0.111 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.7

Radius: 4.7

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.58 AU - 8.58 AU

Year: 13690 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 23,044,075 km

• M1: 58,493 km (0.117 R)
• M2: 216,767 km (0.1 R)
• M3: 544,387 km (0.085 R)
• M4: 1,121,535 km (0.049 R)
• M5: 1,389,166 km (0.109 R)
• M6: 2,121,597 km (0.074 R)
• M7: 2,320,562 km (0.047 R)
• M8: 2,512,047 km (0.117 R)
• M9: 3,919,165 km (0.105 R)
• M10: 4,247,532 km (0.095 R)
• M11: 4,564,530 km (0.111 R)
• M12: 5,021,851 km (0.052 R)
• M13: 5,542,751 km (0.026 R)
• M14: 6,027,448 km (0.096 R)
• M15: 6,962,435 km (0.05 R)
• M16: 7,120,559 km (0.057 R)
• M17: 8,473,074 km (0.091 R)
• M18: 9,448,452 km (0.088 R)
• M19: 10,444,774 km (0.108 R)
• M20: 10,915,259 km (0.067 R)
• M21: 13,238,664 km (0.073 R)
• M22: 13,542,796 km (0.113 R)
• M23: 18,080,399 km (0.088 R)
• M24: 18,910,816 km (0.072 R)
• M25: 21,304,682 km (0.04 R)
• M26: 21,975,478 km (0.077 R)
• M27: 22,316,262 km (0.066 R)
• M28: 22,487,851 km (0.102 R)
• M29: 24,343,762 km (0.105 R)
• M30: 25,076,941 km (0.096 R)
• M31: 26,586,982 km (0.094 R)
• M32: 36,939,454 km (0.049 R)
• M33: 38,766,942 km (0.1 R)
• M34: 41,038,436 km (0.077 R)
• M35: 42,865,325 km (0.048 R)
• M36: 43,933,155 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141

Radius: 5.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.53 AU - 8.73 AU

Year: 13826 Days

Day: 18 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,044,075 km

• M1: 70,760 km (0.036 R)
• M2: 251,773 km (0.078 R)
• M3: 533,765 km (0.076 R)
• M4: 904,618 km (0.097 R)
• M5: 1,583,194 km (0.066 R)
• M6: 2,178,893 km (0.073 R)
• M7: 4,344,921 km (0.064 R)
• M8: 4,996,419 km (0.032 R)
• M9: 6,125,285 km (0.116 R)
• M10: 6,662,491 km (0.089 R)
• M11: 7,907,594 km (0.029 R)
• M12: 15,885,499 km (0.1 R)
• M13: 18,423,277 km (0.072 R)
• M14: 18,836,317 km (0.04 R)
• M15: 21,902,026 km (0.112 R)
• M16: 22,132,855 km (0.058 R)
• M17: 25,708,992 km (0.057 R)
• M18: 26,138,338 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.8

Radius: 3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.68 AU - 9.32 AU

Year: 16257 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,044,075 km

• M1: 37,399 km (0.06 R)
• M2: 131,497 km (0.089 R)
• M3: 696,528 km (0.101 R)
• M4: 1,531,882 km (0.112 R)
• M5: 2,291,391 km (0.045 R)
• M6: 2,913,119 km (0.092 R)
• M7: 3,107,148 km (0.095 R)
• M8: 4,208,936 km (0.085 R)
• M9: 6,895,115 km (0.075 R)
• M10: 7,996,455 km (0.078 R)
• M11: 10,296,971 km (0.03 R)
• M12: 13,003,047 km (0.071 R)
• M13: 14,066,837 km (0.11 R)
• M14: 16,147,295 km (0.101 R)
• M15: 19,268,655 km (0.046 R)
• M16: 22,700,729 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit