🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 10.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,994,128 km

• M1: 134,339 km (0.117 R)
• M2: 511,026 km (0.041 R)
• M3: 947,852 km (0.092 R)
• M4: 1,329,626 km (0.057 R)
• M5: 1,987,707 km (0.092 R)
• M6: 2,460,436 km (0.091 R)
• M7: 3,007,366 km (0.098 R)
• M8: 3,499,693 km (0.064 R)
• M9: 4,106,761 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.6

Radius: 14.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 609 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,994,128 km

• M1: 182,809 km (0.12 R)
• M2: 668,254 km (0.092 R)
• M3: 1,143,975 km (0.042 R)
• M4: 1,605,784 km (0.037 R)
• M5: 2,075,820 km (0.114 R)
• M6: 2,650,276 km (0.114 R)
• M7: 3,168,483 km (0.114 R)
• M8: 3,782,133 km (0.076 R)
• M9: 4,274,909 km (0.099 R)
• M10: 5,010,481 km (0.092 R)
• M11: 5,699,230 km (0.066 R)
• M12: 6,192,903 km (0.06 R)
• M13: 6,735,943 km (0.048 R)
• M14: 7,509,514 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 14.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.94 AU - 0.94 AU

Year: 629 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,994,128 km

• M1: 184,005 km (0.098 R)
• M2: 651,499 km (0.09 R)
• M3: 1,239,418 km (0.105 R)
• M4: 1,865,336 km (0.026 R)
• M5: 2,432,611 km (0.084 R)
• M6: 4,965,453 km (0.099 R)
• M7: 5,543,499 km (0.112 R)
• M8: 6,109,427 km (0.072 R)
• M9: 7,041,273 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 13.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.36 AU - 2.24 AU

Year: 1667 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,994,128 km

• M1: 171,738 km (0.089 R)
• M2: 733,179 km (0.11 R)
• M3: 1,209,648 km (0.113 R)
• M4: 2,353,922 km (0.096 R)
• M5: 2,843,108 km (0.075 R)
• M6: 4,434,081 km (0.051 R)
• M7: 5,524,799 km (0.098 R)
• M8: 8,023,383 km (0.083 R)
• M9: 8,503,442 km (0.1 R)
• M10: 9,059,348 km (0.098 R)
• M11: 10,399,296 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 8.5

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.88 AU - 2.04 AU

Year: 1894 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 175.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,994,128 km

• M1: 105,766 km (0.099 R)
• M2: 397,332 km (0.078 R)
• M3: 998,566 km (0.119 R)
• M4: 1,522,009 km (0.107 R)
• M5: 2,255,936 km (0.065 R)
• M6: 3,001,532 km (0.049 R)
• M7: 3,939,510 km (0.099 R)
• M8: 4,693,633 km (0.108 R)
• M9: 5,285,742 km (0.115 R)
• M10: 7,136,566 km (0.081 R)
• M11: 7,770,113 km (0.052 R)
• M12: 8,315,846 km (0.1 R)
• M13: 9,861,791 km (0.077 R)
• M14: 10,213,944 km (0.102 R)
• M15: 10,538,123 km (0.104 R)
• M16: 11,282,971 km (0.055 R)
• M17: 11,824,964 km (0.099 R)
• M18: 12,384,310 km (0.116 R)
• M19: 13,002,897 km (0.098 R)
• M20: 13,815,812 km (0.077 R)
• M21: 15,167,878 km (0.11 R)
• M22: 15,542,920 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 10.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.7 AU - 4.88 AU

Year: 7236 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,994,128 km

• M1: 134,638 km (0.027 R)
• M2: 531,222 km (0.105 R)
• M3: 1,009,187 km (0.119 R)
• M4: 1,606,681 km (0.037 R)
• M5: 2,048,743 km (0.109 R)
• M6: 3,442,397 km (0.077 R)
• M7: 4,261,894 km (0.025 R)
• M8: 5,059,699 km (0.1 R)
• M9: 5,697,435 km (0.082 R)
• M10: 6,052,431 km (0.059 R)
• M11: 6,842,906 km (0.072 R)
• M12: 7,739,595 km (0.095 R)
• M13: 8,135,581 km (0.087 R)
• M14: 8,545,180 km (0.054 R)
• M15: 9,903,080 km (0.081 R)
• M16: 12,070,304 km (0.102 R)
• M17: 12,986,741 km (0.116 R)
• M18: 15,573,737 km (0.066 R)
• M19: 15,951,322 km (0.089 R)
• M20: 18,069,328 km (0.059 R)
• M21: 20,219,499 km (0.088 R)
• M22: 22,216,331 km (0.034 R)
• M23: 23,099,557 km (0.085 R)
• M24: 26,509,191 km (0.101 R)
• M25: 29,563,830 km (0.057 R)
• M26: 32,640,161 km (0.074 R)
• M27: 33,363,168 km (0.064 R)
• M28: 34,734,382 km (0.06 R)
• M29: 37,139,915 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.1

Radius: 5.1

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.06 AU - 9.52 AU

Year: 15008 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,994,128 km

• M1: 64,177 km (0.101 R)
• M2: 446,998 km (0.088 R)
• M3: 1,695,093 km (0.03 R)
• M4: 1,931,907 km (0.075 R)
• M5: 2,190,562 km (0.077 R)
• M6: 3,436,861 km (0.117 R)
• M7: 4,409,098 km (0.099 R)
• M8: 5,515,973 km (0.079 R)
• M9: 5,847,482 km (0.025 R)
• M10: 6,349,682 km (0.11 R)
• M11: 6,509,751 km (0.1 R)
• M12: 11,156,261 km (0.099 R)
• M13: 11,448,725 km (0.104 R)
• M14: 11,626,597 km (0.108 R)
• M15: 13,052,414 km (0.028 R)
• M16: 13,840,795 km (0.071 R)
• M17: 14,452,501 km (0.062 R)
• M18: 20,096,230 km (0.116 R)
• M19: 21,234,819 km (0.103 R)
• M20: 25,306,873 km (0.12 R)
• M21: 31,933,161 km (0.11 R)
• M22: 33,119,323 km (0.085 R)
• M23: 33,723,250 km (0.105 R)
• M24: 35,579,011 km (0.042 R)
• M25: 37,763,439 km (0.096 R)
• M26: 39,628,027 km (0.109 R)
• M27: 40,583,060 km (0.111 R)
• M28: 44,118,955 km (0.078 R)
• M29: 48,162,436 km (0.064 R)
• M30: 54,932,189 km (0.054 R)
• M31: 55,948,257 km (0.075 R)
• M32: 56,632,518 km (0.103 R)
• M33: 57,669,381 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.3

Radius: 8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.12 AU - 10.4 AU

Year: 21047 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,994,128 km

• M1: 103,223 km (0.027 R)
• M2: 516,412 km (0.116 R)
• M3: 1,284,597 km (0.051 R)
• M4: 1,786,947 km (0.072 R)
• M5: 2,824,408 km (0.07 R)
• M6: 3,106,998 km (0.078 R)
• M7: 4,620,629 km (0.09 R)
• M8: 5,466,306 km (0.087 R)
• M9: 5,982,868 km (0.11 R)
• M10: 7,684,394 km (0.064 R)
• M11: 10,665,580 km (0.043 R)
• M12: 16,348,205 km (0.07 R)
• M13: 16,725,491 km (0.11 R)
• M14: 18,699,734 km (0.087 R)
• M15: 19,615,572 km (0.075 R)
• M16: 20,561,180 km (0.116 R)
• M17: 21,627,065 km (0.073 R)
• M18: 29,580,137 km (0.111 R)
• M19: 29,915,535 km (0.119 R)
• M20: 38,748,242 km (0.084 R)
• M21: 46,109,804 km (0.114 R)
• M22: 46,863,179 km (0.05 R)
• M23: 49,959,107 km (0.034 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit