🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.62 AU - 0.64 AU

Year: 328 Days

Day: 21.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 9.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.31 AU - 2.01 AU

Year: 1403 Days

Day: 12.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,706,669 km

• M1: 123,269 km (0.104 R)
• M2: 516,711 km (0.115 R)
• M3: 1,024,297 km (0.065 R)
• M4: 3,684,596 km (0.076 R)
• M5: 4,928,502 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 9.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.8 AU - 2.32 AU

Year: 1940 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,706,669 km

• M1: 113,246 km (0.11 R)
• M2: 439,369 km (0.117 R)
• M3: 3,127,792 km (0.029 R)
• M4: 3,461,246 km (0.096 R)
• M5: 3,884,608 km (0.106 R)
• M6: 4,256,359 km (0.116 R)
• M7: 5,349,021 km (0.054 R)
• M8: 5,987,804 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 10.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.35 AU - 3.21 AU

Year: 3041 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,706,669 km

• M1: 139,724 km (0.098 R)
• M2: 606,769 km (0.116 R)
• M3: 980,165 km (0.102 R)
• M4: 1,423,274 km (0.109 R)
• M5: 2,123,991 km (0.101 R)
• M6: 2,503,072 km (0.057 R)
• M7: 3,191,371 km (0.097 R)
• M8: 4,021,490 km (0.025 R)
• M9: 4,541,642 km (0.073 R)
• M10: 5,059,400 km (0.102 R)
• M11: 5,666,319 km (0.114 R)
• M12: 8,099,678 km (0.084 R)
• M13: 9,782,055 km (0.072 R)
• M14: 10,378,801 km (0.096 R)
• M15: 11,810,154 km (0.119 R)
• M16: 12,272,710 km (0.068 R)
• M17: 13,368,963 km (0.078 R)
• M18: 14,577,265 km (0.119 R)
• M19: 15,109,684 km (0.096 R)
• M20: 15,605,003 km (0.083 R)
• M21: 16,576,042 km (0.114 R)
• M22: 17,209,739 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 9.7

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.34 AU - 3.28 AU

Year: 3090 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 73.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,706,669 km

• M1: 120,576 km (0.107 R)
• M2: 444,754 km (0.114 R)
• M3: 1,404,724 km (0.067 R)
• M4: 1,750,295 km (0.119 R)
• M5: 2,681,243 km (0.041 R)
• M6: 3,074,087 km (0.068 R)
• M7: 3,524,975 km (0.072 R)
• M8: 4,084,321 km (0.113 R)
• M9: 4,512,769 km (0.079 R)
• M10: 7,743,784 km (0.03 R)
• M11: 10,937,400 km (0.094 R)
• M12: 11,990,569 km (0.058 R)
• M13: 12,823,829 km (0.081 R)
• M14: 14,553,778 km (0.098 R)
• M15: 17,345,574 km (0.112 R)
• M16: 18,897,951 km (0.116 R)
• M17: 19,707,874 km (0.047 R)
• M18: 20,475,909 km (0.093 R)
• M19: 20,867,407 km (0.088 R)
• M20: 21,330,412 km (0.1 R)
• M21: 21,935,685 km (0.095 R)
• M22: 22,483,363 km (0.104 R)
• M23: 23,392,619 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 9.7

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.71 AU - 3.01 AU

Year: 3173 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,706,669 km

• M1: 120,576 km (0.075 R)
• M2: 498,161 km (0.118 R)
• M3: 965,505 km (0.05 R)
• M4: 1,565,093 km (0.1 R)
• M5: 2,457,444 km (0.108 R)
• M6: 3,479,347 km (0.064 R)
• M7: 4,387,107 km (0.104 R)
• M8: 4,762,598 km (0.117 R)
• M9: 5,159,631 km (0.051 R)
• M10: 5,851,820 km (0.115 R)
• M11: 6,695,701 km (0.087 R)
• M12: 7,887,548 km (0.077 R)
• M13: 9,637,394 km (0.044 R)
• M14: 10,603,198 km (0.067 R)
• M15: 11,066,802 km (0.1 R)
• M16: 12,679,317 km (0.094 R)
• M17: 13,105,821 km (0.114 R)
• M18: 13,937,585 km (0.101 R)
• M19: 14,545,551 km (0.112 R)
• M20: 15,544,266 km (0.113 R)
• M21: 16,309,010 km (0.095 R)
• M22: 16,870,301 km (0.118 R)
• M23: 17,677,831 km (0.083 R)
• M24: 19,683,190 km (0.079 R)
• M25: 21,768,136 km (0.117 R)
• M26: 22,517,771 km (0.09 R)
• M27: 24,285,120 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 13.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.59 AU - 4.71 AU

Year: 5546 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,706,669 km

• M1: 173,534 km (0.071 R)
• M2: 658,679 km (0.087 R)
• M3: 1,231,938 km (0.096 R)
• M4: 1,781,112 km (0.052 R)
• M5: 2,280,171 km (0.063 R)
• M6: 2,736,444 km (0.073 R)
• M7: 3,311,498 km (0.101 R)
• M8: 3,837,335 km (0.088 R)
• M9: 4,585,324 km (0.099 R)
• M10: 5,374,752 km (0.08 R)
• M11: 7,695,913 km (0.084 R)
• M12: 8,223,245 km (0.113 R)
• M13: 9,194,584 km (0.085 R)
• M14: 10,366,684 km (0.109 R)
• M15: 10,879,954 km (0.027 R)
• M16: 11,365,399 km (0.115 R)
• M17: 13,453,486 km (0.116 R)
• M18: 15,343,506 km (0.09 R)
• M19: 15,954,763 km (0.112 R)
• M20: 18,439,733 km (0.111 R)
• M21: 19,004,016 km (0.103 R)
• M22: 20,766,578 km (0.047 R)
• M23: 23,647,983 km (0.099 R)
• M24: 25,762,848 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 16,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit