🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 15

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 11.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,485,448 km

• M1: 186,549 km (0.057 R)
• M2: 654,341 km (0.078 R)
• M3: 1,126,322 km (0.067 R)
• M4: 1,731,745 km (0.083 R)
• M5: 2,916,710 km (0.119 R)
• M6: 3,809,809 km (0.115 R)
• M7: 4,302,136 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.8

Radius: 8.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.8 AU - 0.94 AU

Year: 550 Days

Day: 15 Hours

Environment

Temp: -176 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,485,448 km

• M1: 102,026 km (0.093 R)
• M2: 451,486 km (0.118 R)
• M3: 1,508,246 km (0.096 R)
• M4: 1,788,293 km (0.119 R)
• M5: 2,119,951 km (0.041 R)
• M6: 2,464,326 km (0.11 R)
• M7: 2,774,741 km (0.094 R)
• M8: 3,100,117 km (0.052 R)
• M9: 3,904,205 km (0.104 R)
• M10: 4,781,746 km (0.119 R)
• M11: 5,127,317 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 10.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.95 AU - 1.05 AU

Year: 678 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,485,448 km

• M1: 125,662 km (0.048 R)
• M2: 508,932 km (0.072 R)
• M3: 937,231 km (0.038 R)
• M4: 2,231,252 km (0.032 R)
• M5: 4,515,462 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.7

Radius: 13.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.32 AU - 1.82 AU

Year: 1334 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 163.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,485,448 km

• M1: 164,408 km (0.11 R)
• M2: 676,332 km (0.116 R)
• M3: 1,340,547 km (0.081 R)
• M4: 1,908,270 km (0.106 R)
• M5: 2,634,269 km (0.115 R)
• M6: 4,045,276 km (0.091 R)
• M7: 4,658,926 km (0.114 R)
• M8: 5,122,979 km (0.047 R)
• M9: 5,842,694 km (0.112 R)
• M10: 6,906,485 km (0.107 R)
• M11: 8,471,578 km (0.089 R)
• M12: 10,161,884 km (0.07 R)
• M13: 11,734,008 km (0.113 R)
• M14: 13,143,819 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 9.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.75 AU - 2.97 AU

Year: 3281 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,485,448 km

• M1: 140,323 km (0.119 R)
• M2: 757,564 km (0.112 R)
• M3: 1,331,122 km (0.101 R)
• M4: 1,886,280 km (0.12 R)
• M5: 2,402,093 km (0.057 R)
• M6: 2,739,586 km (0.105 R)
• M7: 3,142,453 km (0.076 R)
• M8: 3,640,165 km (0.085 R)
• M9: 4,087,762 km (0.054 R)
• M10: 5,832,821 km (0.117 R)
• M11: 6,391,868 km (0.108 R)
• M12: 9,811,227 km (0.029 R)
• M13: 10,296,073 km (0.036 R)
• M14: 12,569,063 km (0.05 R)
• M15: 14,289,888 km (0.07 R)
• M16: 17,971,491 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.9

Radius: 3.7

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.81 AU - 7.23 AU

Year: 10018 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,485,448 km

• M1: 46,076 km (0.107 R)
• M2: 198,516 km (0.088 R)
• M3: 376,239 km (0.104 R)
• M4: 554,260 km (0.109 R)
• M5: 872,006 km (0.107 R)
• M6: 1,209,499 km (0.029 R)
• M7: 1,470,697 km (0.032 R)
• M8: 2,009,099 km (0.044 R)
• M9: 2,375,315 km (0.101 R)
• M10: 2,649,378 km (0.099 R)
• M11: 3,326,458 km (0.041 R)
• M12: 3,506,574 km (0.064 R)
• M13: 3,669,486 km (0.102 R)
• M14: 5,401,979 km (0.088 R)
• M15: 6,548,497 km (0.112 R)
• M16: 12,924,358 km (0.064 R)
• M17: 15,438,799 km (0.048 R)
• M18: 16,908,898 km (0.03 R)
• M19: 20,272,307 km (0.101 R)
• M20: 20,571,353 km (0.081 R)
• M21: 23,150,420 km (0.045 R)
• M22: 25,155,929 km (0.108 R)
• M23: 26,644,727 km (0.069 R)
• M24: 29,508,778 km (0.094 R)
• M25: 29,989,137 km (0.077 R)
• M26: 31,561,261 km (0.061 R)
• M27: 36,275,988 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.6

Radius: 7

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.5 AU - 11.84 AU

Year: 23639 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,485,448 km

• M1: 87,216 km (0.096 R)
• M2: 401,969 km (0.079 R)
• M3: 1,189,303 km (0.092 R)
• M4: 2,404,786 km (0.113 R)
• M5: 3,792,306 km (0.033 R)
• M6: 4,795,061 km (0.101 R)
• M7: 8,333,649 km (0.043 R)
• M8: 9,391,904 km (0.09 R)
• M9: 14,089,875 km (0.104 R)
• M10: 14,750,799 km (0.114 R)
• M11: 16,857,436 km (0.034 R)
• M12: 20,894,933 km (0.051 R)
• M13: 22,045,341 km (0.118 R)
• M14: 24,471,968 km (0.108 R)
• M15: 25,211,879 km (0.061 R)
• M16: 28,206,080 km (0.119 R)
• M17: 30,692,696 km (0.119 R)
• M18: 32,303,267 km (0.06 R)
• M19: 35,022,507 km (0.076 R)
• M20: 41,504,882 km (0.111 R)
• M21: 43,779,966 km (0.105 R)
• M22: 49,409,634 km (0.106 R)
• M23: 50,590,559 km (0.114 R)
• M24: 51,963,120 km (0.119 R)
• M25: 55,322,340 km (0.059 R)
• M26: 60,916,403 km (0.094 R)
• M27: 62,273,854 km (0.054 R)
• M28: 66,467,082 km (0.076 R)
• M29: 67,081,181 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 15,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit