🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 13.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.69 AU - 0.93 AU

Year: 471 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,775,539 km

• M1: 163,062 km (0.114 R)
• M2: 580,889 km (0.119 R)
• M3: 1,166,863 km (0.03 R)
• M4: 1,598,453 km (0.081 R)
• M5: 2,035,129 km (0.049 R)
• M6: 2,522,669 km (0.098 R)
• M7: 3,008,712 km (0.104 R)
• M8: 3,570,004 km (0.032 R)
• M9: 4,402,516 km (0.114 R)
• M10: 4,810,469 km (0.1 R)
• M11: 5,738,724 km (0.107 R)
• M12: 6,190,061 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 8.2

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.23 AU - 3.31 AU

Year: 3818 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,775,539 km

• M1: 102,325 km (0.087 R)
• M2: 720,912 km (0.091 R)
• M3: 1,342,192 km (0.073 R)
• M4: 1,997,281 km (0.119 R)
• M5: 2,719,689 km (0.077 R)
• M6: 5,177,134 km (0.07 R)
• M7: 5,482,164 km (0.115 R)
• M8: 6,411,914 km (0.103 R)
• M9: 7,253,552 km (0.116 R)
• M10: 7,998,400 km (0.088 R)
• M11: 17,654,793 km (0.092 R)
• M12: 20,534,851 km (0.11 R)
• M13: 21,756,617 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 13.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.85 AU - 6.01 AU

Year: 8170 Days

Day: 13.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,775,539 km

• M1: 167,101 km (0.064 R)
• M2: 736,770 km (0.095 R)
• M3: 1,845,589 km (0.062 R)
• M4: 2,575,776 km (0.111 R)
• M5: 3,776,748 km (0.078 R)
• M6: 5,447,008 km (0.067 R)
• M7: 8,551,613 km (0.058 R)
• M8: 9,209,843 km (0.04 R)
• M9: 9,901,584 km (0.109 R)
• M10: 10,430,861 km (0.078 R)
• M11: 11,080,415 km (0.102 R)
• M12: 11,916,966 km (0.084 R)
• M13: 14,192,799 km (0.058 R)
• M14: 15,497,143 km (0.086 R)
• M15: 16,410,288 km (0.104 R)
• M16: 17,221,108 km (0.071 R)
• M17: 21,363,324 km (0.025 R)
• M18: 25,406,954 km (0.058 R)
• M19: 25,855,449 km (0.095 R)
• M20: 28,852,792 km (0.064 R)
• M21: 30,334,559 km (0.092 R)
• M22: 31,556,025 km (0.092 R)
• M23: 32,810,104 km (0.087 R)
• M24: 33,342,373 km (0.056 R)
• M25: 34,973,589 km (0.038 R)
• M26: 37,115,531 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.9

Radius: 6.9

Gravity: 20.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.02 AU - 6.76 AU

Year: 10430 Days

Day: 20.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,775,539 km

• M1: 94,546 km (0.101 R)
• M2: 361,428 km (0.115 R)
• M3: 791,971 km (0.103 R)
• M4: 1,619,098 km (0.076 R)
• M5: 1,875,060 km (0.102 R)
• M6: 3,134,075 km (0.117 R)
• M7: 4,376,935 km (0.12 R)
• M8: 6,296,275 km (0.104 R)
• M9: 6,975,450 km (0.085 R)
• M10: 12,473,620 km (0.064 R)
• M11: 13,477,571 km (0.11 R)
• M12: 13,867,573 km (0.107 R)
• M13: 14,265,055 km (0.118 R)
• M14: 14,534,331 km (0.088 R)
• M15: 15,859,618 km (0.108 R)
• M16: 20,401,858 km (0.086 R)
• M17: 20,657,970 km (0.098 R)
• M18: 23,431,215 km (0.114 R)
• M19: 26,952,001 km (0.114 R)
• M20: 28,199,797 km (0.108 R)
• M21: 29,160,515 km (0.097 R)
• M22: 34,414,392 km (0.119 R)
• M23: 37,136,325 km (0.103 R)
• M24: 44,993,654 km (0.08 R)
• M25: 46,599,138 km (0.091 R)
• M26: 52,120,048 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.4

Radius: 7.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.79 AU - 11.09 AU

Year: 17259 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,775,539 km

• M1: 144,512 km (0.114 R)
• M2: 402,568 km (0.041 R)
• M3: 643,121 km (0.064 R)
• M4: 984,354 km (0.09 R)
• M5: 1,323,044 km (0.092 R)
• M6: 1,640,490 km (0.104 R)
• M7: 1,976,936 km (0.062 R)
• M8: 2,412,266 km (0.089 R)
• M9: 2,869,586 km (0.12 R)
• M10: 3,205,583 km (0.079 R)
• M11: 3,710,476 km (0.065 R)
• M12: 5,296,513 km (0.111 R)
• M13: 7,559,779 km (0.077 R)
• M14: 9,689,604 km (0.107 R)
• M15: 10,643,589 km (0.072 R)
• M16: 11,194,409 km (0.067 R)
• M17: 12,461,802 km (0.097 R)
• M18: 12,960,860 km (0.091 R)
• M19: 15,029,200 km (0.12 R)
• M20: 16,969,186 km (0.08 R)
• M21: 17,239,958 km (0.105 R)
• M22: 22,538,415 km (0.095 R)
• M23: 24,549,759 km (0.104 R)
• M24: 30,293,718 km (0.088 R)
• M25: 30,993,687 km (0.102 R)
• M26: 31,500,225 km (0.031 R)
• M27: 32,425,787 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 20,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit