🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 10

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.76 AU - 0.8 AU

Year: 452 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,542,327 km

• M1: 124,465 km (0.098 R)
• M2: 511,774 km (0.079 R)
• M3: 842,086 km (0.068 R)
• M4: 1,258,567 km (0.077 R)
• M5: 1,588,281 km (0.119 R)
• M6: 1,992,195 km (0.094 R)
• M7: 2,500,678 km (0.073 R)
• M8: 2,826,053 km (0.099 R)
• M9: 3,333,938 km (0.095 R)
• M10: 3,645,850 km (0.069 R)
• M11: 3,977,359 km (0.053 R)
• M12: 4,288,971 km (0.081 R)
• M13: 4,630,802 km (0.103 R)
• M14: 5,125,223 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 14.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.41 AU - 2.27 AU

Year: 1637 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,542,327 km

• M1: 184,005 km (0.119 R)
• M2: 828,174 km (0.093 R)
• M3: 1,460,973 km (0.054 R)
• M4: 2,158,996 km (0.077 R)
• M5: 2,771,151 km (0.062 R)
• M6: 5,395,098 km (0.107 R)
• M7: 6,941,042 km (0.055 R)
• M8: 7,436,361 km (0.09 R)
• M9: 8,685,204 km (0.112 R)
• M10: 10,099,352 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 14.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.63 AU - 2.47 AU

Year: 1925 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,542,327 km

• M1: 183,856 km (0.045 R)
• M2: 650,900 km (0.103 R)
• M3: 1,146,967 km (0.103 R)
• M4: 1,907,822 km (0.119 R)
• M5: 2,470,010 km (0.083 R)
• M6: 3,189,726 km (0.052 R)
• M7: 3,863,365 km (0.117 R)
• M8: 4,549,720 km (0.081 R)
• M9: 5,498,171 km (0.092 R)
• M10: 6,044,502 km (0.116 R)
• M11: 6,523,066 km (0.116 R)
• M12: 7,330,445 km (0.086 R)
• M13: 8,697,321 km (0.064 R)
• M14: 9,408,360 km (0.092 R)
• M15: 10,018,869 km (0.088 R)
• M16: 11,095,076 km (0.116 R)
• M17: 13,266,638 km (0.11 R)
• M18: 15,615,026 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.1

Radius: 3.4

Gravity: 76.74 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.58 AU - 9 AU

Year: 15658 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,542,327 km

• M1: 52,210 km (0.064 R)
• M2: 235,467 km (0.078 R)
• M3: 548,426 km (0.097 R)
• M4: 761,752 km (0.068 R)
• M5: 1,251,386 km (0.119 R)
• M6: 1,555,070 km (0.113 R)
• M7: 2,349,435 km (0.096 R)
• M8: 2,958,747 km (0.096 R)
• M9: 5,002,254 km (0.119 R)
• M10: 5,371,312 km (0.056 R)
• M11: 5,679,483 km (0.066 R)
• M12: 6,081,004 km (0.1 R)
• M13: 6,718,440 km (0.101 R)
• M14: 7,683,795 km (0.111 R)
• M15: 8,124,660 km (0.106 R)
• M16: 12,808,869 km (0.101 R)
• M17: 13,779,909 km (0.113 R)
• M18: 13,994,133 km (0.116 R)
• M19: 14,576,517 km (0.08 R)
• M20: 17,816,059 km (0.119 R)
• M21: 24,089,147 km (0.101 R)
• M22: 27,545,306 km (0.109 R)
• M23: 28,113,479 km (0.09 R)
• M24: 29,627,409 km (0.108 R)
• M25: 30,464,709 km (0.04 R)
• M26: 35,956,596 km (0.095 R)
• M27: 38,157,630 km (0.045 R)
• M28: 42,072,756 km (0.069 R)
• M29: 45,454,116 km (0.096 R)
• M30: 58,336,288 km (0.09 R)
• M31: 59,460,965 km (0.083 R)
• M32: 60,218,678 km (0.092 R)
• M33: 62,530,414 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.7

Radius: 5.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.68 AU - 10.16 AU

Year: 16028 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,542,327 km

• M1: 173,683 km (0.086 R)
• M2: 397,482 km (0.114 R)
• M3: 734,376 km (0.089 R)
• M4: 1,191,996 km (0.068 R)
• M5: 1,779,018 km (0.089 R)
• M6: 2,220,930 km (0.075 R)
• M7: 2,467,916 km (0.118 R)
• M8: 2,713,556 km (0.05 R)
• M9: 4,249,028 km (0.087 R)
• M10: 7,575,786 km (0.088 R)
• M11: 9,433,492 km (0.074 R)
• M12: 9,662,227 km (0.113 R)
• M13: 10,178,340 km (0.089 R)
• M14: 10,663,336 km (0.114 R)
• M15: 11,062,463 km (0.106 R)
• M16: 11,784,572 km (0.109 R)
• M17: 14,804,355 km (0.059 R)
• M18: 15,051,191 km (0.098 R)
• M19: 15,937,110 km (0.106 R)
• M20: 16,458,608 km (0.039 R)
• M21: 19,092,428 km (0.048 R)
• M22: 26,695,740 km (0.067 R)
• M23: 26,878,399 km (0.103 R)
• M24: 28,368,992 km (0.058 R)
• M25: 33,806,127 km (0.075 R)
• M26: 35,321,254 km (0.06 R)
• M27: 37,563,427 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit