🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.4

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.16 AU - 1.86 AU

Year: 1198 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,350,244 km

• M1: 117,734 km (0.085 R)
• M2: 734,376 km (0.086 R)
• M3: 1,230,742 km (0.119 R)
• M4: 1,572,573 km (0.086 R)
• M5: 1,977,983 km (0.118 R)
• M6: 3,052,694 km (0.101 R)
• M7: 3,500,590 km (0.116 R)
• M8: 4,752,575 km (0.074 R)
• M9: 6,670,270 km (0.069 R)
• M10: 7,007,164 km (0.104 R)
• M11: 7,837,881 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.4

Radius: 14.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.37 AU - 1.71 AU

Year: 1234 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,350,244 km

• M1: 177,872 km (0.104 R)
• M2: 705,354 km (0.091 R)
• M3: 1,158,187 km (0.057 R)
• M4: 2,097,811 km (0.091 R)
• M5: 2,899,955 km (0.071 R)
• M6: 3,456,160 km (0.106 R)
• M7: 3,948,636 km (0.118 R)
• M8: 4,598,339 km (0.088 R)
• M9: 5,463,165 km (0.084 R)
• M10: 6,023,558 km (0.114 R)
• M11: 6,693,906 km (0.104 R)
• M12: 7,699,802 km (0.067 R)
• M13: 8,184,350 km (0.114 R)
• M14: 9,334,758 km (0.103 R)
• M15: 11,327,551 km (0.115 R)
• M16: 12,062,824 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 14

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.39 AU - 4.39 AU

Year: 5939 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,350,244 km

• M1: 174,132 km (0.091 R)
• M2: 1,194,090 km (0.109 R)
• M3: 1,957,189 km (0.053 R)
• M4: 2,399,849 km (0.096 R)
• M5: 2,949,472 km (0.103 R)
• M6: 4,103,918 km (0.103 R)
• M7: 4,621,527 km (0.066 R)
• M8: 5,757,723 km (0.117 R)
• M9: 6,208,461 km (0.113 R)
• M10: 6,893,619 km (0.101 R)
• M11: 7,477,650 km (0.088 R)
• M12: 8,745,192 km (0.115 R)
• M13: 10,957,595 km (0.107 R)
• M14: 11,960,051 km (0.089 R)
• M15: 12,643,862 km (0.089 R)
• M16: 14,090,025 km (0.116 R)
• M17: 15,153,965 km (0.086 R)
• M18: 21,752,877 km (0.076 R)
• M19: 23,416,106 km (0.057 R)
• M20: 25,591,109 km (0.032 R)
• M21: 27,806,504 km (0.118 R)
• M22: 31,911,619 km (0.067 R)
• M23: 33,228,230 km (0.027 R)
• M24: 36,404,343 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 9.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.42 AU - 5.08 AU

Year: 6684 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,350,244 km

• M1: 114,442 km (0.083 R)
• M2: 950,395 km (0.075 R)
• M3: 1,300,753 km (0.094 R)
• M4: 1,647,671 km (0.092 R)
• M5: 2,085,993 km (0.115 R)
• M6: 2,498,284 km (0.075 R)
• M7: 4,023,584 km (0.061 R)
• M8: 5,636,100 km (0.105 R)
• M9: 6,668,923 km (0.069 R)
• M10: 8,545,330 km (0.115 R)
• M11: 9,478,371 km (0.091 R)
• M12: 10,933,510 km (0.066 R)
• M13: 12,532,113 km (0.094 R)
• M14: 13,734,730 km (0.112 R)
• M15: 15,184,932 km (0.074 R)
• M16: 15,887,593 km (0.074 R)
• M17: 16,489,575 km (0.115 R)
• M18: 16,919,818 km (0.054 R)
• M19: 17,484,251 km (0.092 R)
• M20: 18,983,371 km (0.11 R)
• M21: 20,779,294 km (0.056 R)
• M22: 21,281,494 km (0.073 R)
• M23: 22,013,027 km (0.078 R)
• M24: 25,677,577 km (0.026 R)
• M25: 26,089,869 km (0.059 R)
• M26: 27,438,942 km (0.065 R)
• M27: 29,548,871 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 8.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.95 AU - 5.41 AU

Year: 7612 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 95.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,350,244 km

• M1: 109,506 km (0.04 R)
• M2: 533,466 km (0.079 R)
• M3: 971,788 km (0.115 R)
• M4: 1,434,195 km (0.039 R)
• M5: 1,756,877 km (0.098 R)
• M6: 2,067,592 km (0.073 R)
• M7: 2,568,595 km (0.084 R)
• M8: 3,523,479 km (0.108 R)
• M9: 4,264,287 km (0.036 R)
• M10: 4,567,522 km (0.091 R)
• M11: 5,535,720 km (0.045 R)
• M12: 7,324,611 km (0.077 R)
• M13: 8,253,315 km (0.102 R)
• M14: 9,010,130 km (0.117 R)
• M15: 9,682,573 km (0.103 R)
• M16: 12,302,031 km (0.108 R)
• M17: 13,023,991 km (0.066 R)
• M18: 16,503,487 km (0.066 R)
• M19: 18,224,611 km (0.114 R)
• M20: 22,094,409 km (0.044 R)
• M21: 25,808,625 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.3

Radius: 7.7

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.89 AU - 12.35 AU

Year: 22346 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,350,244 km

• M1: 148,251 km (0.112 R)
• M2: 432,338 km (0.079 R)
• M3: 713,582 km (0.093 R)
• M4: 1,001,857 km (0.1 R)
• M5: 2,063,254 km (0.082 R)
• M6: 3,083,960 km (0.107 R)
• M7: 3,429,382 km (0.094 R)
• M8: 5,116,696 km (0.09 R)
• M9: 5,560,702 km (0.073 R)
• M10: 6,759,729 km (0.083 R)
• M11: 11,246,469 km (0.04 R)
• M12: 13,074,256 km (0.108 R)
• M13: 16,953,328 km (0.065 R)
• M14: 22,162,775 km (0.094 R)
• M15: 25,013,961 km (0.115 R)
• M16: 27,488,310 km (0.1 R)
• M17: 35,018,169 km (0.114 R)
• M18: 41,852,847 km (0.035 R)
• M19: 44,482,478 km (0.088 R)
• M20: 47,921,883 km (0.102 R)
• M21: 50,432,285 km (0.116 R)
• M22: 66,477,554 km (0.11 R)
• M23: 74,217,299 km (0.064 R)
• M24: 76,121,829 km (0.049 R)
• M25: 79,285,824 km (0.11 R)
• M26: 80,028,279 km (0.097 R)
• M27: 88,768,833 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.6

Radius: 7

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.39 AU - 11.31 AU

Year: 23076 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,350,244 km

• M1: 87,664 km (0.058 R)
• M2: 588,967 km (0.088 R)
• M3: 831,615 km (0.052 R)
• M4: 1,155,644 km (0.066 R)
• M5: 2,248,606 km (0.092 R)
• M6: 3,257,643 km (0.108 R)
• M7: 3,973,170 km (0.087 R)
• M8: 4,436,325 km (0.117 R)
• M9: 8,475,019 km (0.05 R)
• M10: 8,743,846 km (0.118 R)
• M11: 11,754,503 km (0.042 R)
• M12: 12,224,689 km (0.05 R)
• M13: 14,231,844 km (0.102 R)
• M14: 15,632,379 km (0.105 R)
• M15: 17,122,374 km (0.075 R)
• M16: 21,356,293 km (0.049 R)
• M17: 25,675,483 km (0.062 R)
• M18: 29,919,125 km (0.055 R)
• M19: 32,076,327 km (0.045 R)
• M20: 43,950,358 km (0.067 R)
• M21: 45,081,917 km (0.066 R)
• M22: 54,102,668 km (0.098 R)
• M23: 62,616,882 km (0.057 R)
• M24: 73,101,748 km (0.038 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 12,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit