🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 14.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,072,152 km

• M1: 182,809 km (0.09 R)
• M2: 772,523 km (0.06 R)
• M3: 1,230,742 km (0.101 R)
• M4: 1,756,129 km (0.093 R)
• M5: 3,463,939 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 8.7

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 8.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,072,152 km

• M1: 108,159 km (0.099 R)
• M2: 437,275 km (0.067 R)
• M3: 726,597 km (0.097 R)
• M4: 1,044,492 km (0.1 R)
• M5: 1,377,198 km (0.077 R)
• M6: 2,011,343 km (0.1 R)
• M7: 2,382,346 km (0.081 R)
• M8: 2,769,206 km (0.074 R)
• M9: 3,112,832 km (0.079 R)
• M10: 3,507,621 km (0.078 R)
• M11: 3,825,367 km (0.079 R)
• M12: 4,252,918 km (0.084 R)
• M13: 4,684,209 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 13

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.31 AU - 1.33 AU

Year: 1047 Days

Day: 12.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,072,152 km

• M1: 161,715 km (0.059 R)
• M2: 636,838 km (0.088 R)
• M3: 1,278,015 km (0.101 R)
• M4: 2,026,004 km (0.108 R)
• M5: 2,435,154 km (0.084 R)
• M6: 2,981,336 km (0.045 R)
• M7: 3,440,003 km (0.045 R)
• M8: 4,483,448 km (0.107 R)
• M9: 5,495,029 km (0.096 R)
• M10: 6,918,154 km (0.112 R)
• M11: 7,755,453 km (0.111 R)
• M12: 8,267,526 km (0.072 R)
• M13: 8,687,747 km (0.092 R)
• M14: 9,240,511 km (0.104 R)
• M15: 10,066,291 km (0.119 R)
• M16: 11,277,136 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 10.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.91 AU - 2.95 AU

Year: 3462 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,072,152 km

• M1: 136,433 km (0.109 R)
• M2: 486,492 km (0.114 R)
• M3: 927,656 km (0.053 R)
• M4: 1,824,196 km (0.105 R)
• M5: 2,271,793 km (0.115 R)
• M6: 3,029,058 km (0.066 R)
• M7: 3,391,234 km (0.078 R)
• M8: 3,843,468 km (0.099 R)
• M9: 4,380,525 km (0.047 R)
• M10: 6,126,631 km (0.058 R)
• M11: 6,472,202 km (0.108 R)
• M12: 6,922,492 km (0.102 R)
• M13: 8,755,515 km (0.069 R)
• M14: 9,458,176 km (0.083 R)
• M15: 10,039,064 km (0.09 R)
• M16: 11,792,800 km (0.066 R)
• M17: 13,212,185 km (0.037 R)
• M18: 17,226,045 km (0.078 R)
• M19: 17,917,187 km (0.1 R)
• M20: 19,913,571 km (0.059 R)
• M21: 20,482,791 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 12

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.96 AU - 5.74 AU

Year: 7373 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,072,152 km

• M1: 150,495 km (0.097 R)
• M2: 733,478 km (0.078 R)
• M3: 1,237,025 km (0.112 R)
• M4: 1,759,421 km (0.046 R)
• M5: 4,633,046 km (0.086 R)
• M6: 5,118,192 km (0.118 R)
• M7: 5,637,297 km (0.118 R)
• M8: 7,216,302 km (0.1 R)
• M9: 9,184,112 km (0.07 R)
• M10: 10,515,833 km (0.093 R)
• M11: 11,443,639 km (0.115 R)
• M12: 13,853,212 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.5

Radius: 3.9

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.3 AU - 5.82 AU

Year: 9049 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,072,152 km

• M1: 48,470 km (0.085 R)
• M2: 372,648 km (0.025 R)
• M3: 504,145 km (0.071 R)
• M4: 891,155 km (0.08 R)
• M5: 1,917,994 km (0.109 R)
• M6: 2,201,931 km (0.089 R)
• M7: 2,892,624 km (0.095 R)
• M8: 3,034,144 km (0.078 R)
• M9: 3,532,155 km (0.073 R)
• M10: 3,693,871 km (0.115 R)
• M11: 5,658,091 km (0.103 R)
• M12: 7,297,534 km (0.041 R)
• M13: 7,446,982 km (0.1 R)
• M14: 8,145,006 km (0.109 R)
• M15: 8,305,823 km (0.071 R)
• M16: 9,185,459 km (0.082 R)
• M17: 9,359,740 km (0.066 R)
• M18: 11,576,482 km (0.063 R)
• M19: 12,037,692 km (0.085 R)
• M20: 14,119,945 km (0.097 R)
• M21: 14,944,079 km (0.111 R)
• M22: 15,551,895 km (0.118 R)
• M23: 17,275,413 km (0.072 R)
• M24: 17,474,527 km (0.115 R)
• M25: 18,354,612 km (0.107 R)
• M26: 22,328,081 km (0.096 R)
• M27: 25,358,485 km (0.103 R)
• M28: 27,016,328 km (0.11 R)
• M29: 27,284,408 km (0.117 R)
• M30: 29,399,871 km (0.052 R)
• M31: 30,642,581 km (0.117 R)
• M32: 31,424,529 km (0.063 R)
• M33: 31,820,365 km (0.095 R)
• M34: 34,790,780 km (0.067 R)
• M35: 35,427,618 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 14,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit