🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 11.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.59 AU - 0.85 AU

Year: 388 Days

Day: 12.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,553,125 km

• M1: 147,952 km (0.099 R)
• M2: 522,994 km (0.073 R)
• M3: 1,032,225 km (0.072 R)
• M4: 1,717,683 km (0.074 R)
• M5: 2,151,816 km (0.089 R)
• M6: 2,796,283 km (0.072 R)
• M7: 4,202,055 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.3

Radius: 11.7

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.94 AU - 1.24 AU

Year: 724 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,553,125 km

• M1: 145,559 km (0.112 R)
• M2: 579,393 km (0.067 R)
• M3: 1,078,002 km (0.102 R)
• M4: 2,282,564 km (0.092 R)
• M5: 5,211,242 km (0.095 R)
• M6: 6,042,258 km (0.056 R)
• M7: 8,016,202 km (0.111 R)
• M8: 8,416,675 km (0.117 R)
• M9: 8,856,942 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 11.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.34 AU - 1.92 AU

Year: 1323 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,553,125 km

• M1: 143,165 km (0.067 R)
• M2: 504,294 km (0.097 R)
• M3: 1,381,536 km (0.039 R)
• M4: 2,145,233 km (0.112 R)
• M5: 2,704,430 km (0.042 R)
• M6: 3,344,410 km (0.1 R)
• M7: 3,900,914 km (0.061 R)
• M8: 4,794,612 km (0.081 R)
• M9: 5,483,360 km (0.097 R)
• M10: 6,304,802 km (0.112 R)
• M11: 6,912,618 km (0.072 R)
• M12: 7,305,911 km (0.059 R)
• M13: 8,604,570 km (0.109 R)
• M14: 9,031,373 km (0.075 R)
• M15: 10,333,922 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 10.1

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.63 AU - 1.71 AU

Year: 1372 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,553,125 km

• M1: 127,009 km (0.104 R)
• M2: 489,783 km (0.102 R)
• M3: 921,523 km (0.101 R)
• M4: 1,976,038 km (0.072 R)
• M5: 3,113,281 km (0.106 R)
• M6: 3,500,590 km (0.073 R)
• M7: 3,954,769 km (0.11 R)
• M8: 4,467,142 km (0.109 R)
• M9: 4,819,595 km (0.071 R)
• M10: 5,383,130 km (0.06 R)
• M11: 5,897,298 km (0.065 R)
• M12: 6,793,239 km (0.086 R)
• M13: 7,260,583 km (0.108 R)
• M14: 7,917,168 km (0.118 R)
• M15: 8,376,434 km (0.074 R)
• M16: 9,006,241 km (0.12 R)
• M17: 9,570,973 km (0.072 R)
• M18: 10,910,472 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.8

Radius: 10

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2 AU - 2.1 AU

Year: 1866 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,553,125 km

• M1: 125,812 km (0.028 R)
• M2: 490,681 km (0.041 R)
• M3: 827,875 km (0.107 R)
• M4: 2,147,627 km (0.025 R)
• M5: 2,532,542 km (0.117 R)
• M6: 2,918,056 km (0.069 R)
• M7: 3,631,040 km (0.085 R)
• M8: 3,991,720 km (0.116 R)
• M9: 5,043,094 km (0.084 R)
• M10: 5,470,345 km (0.05 R)
• M11: 6,925,783 km (0.072 R)
• M12: 8,160,414 km (0.081 R)
• M13: 8,718,714 km (0.103 R)
• M14: 9,603,735 km (0.05 R)
• M15: 10,875,616 km (0.078 R)
• M16: 13,880,139 km (0.056 R)
• M17: 14,586,241 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 8

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.08 AU - 2.7 AU

Year: 2349 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,553,125 km

• M1: 99,483 km (0.113 R)
• M2: 369,956 km (0.102 R)
• M3: 623,823 km (0.095 R)
• M4: 888,911 km (0.079 R)
• M5: 1,309,430 km (0.042 R)
• M6: 1,607,429 km (0.092 R)
• M7: 2,047,247 km (0.054 R)
• M8: 2,565,155 km (0.074 R)
• M9: 3,052,844 km (0.082 R)
• M10: 4,314,851 km (0.05 R)
• M11: 4,848,168 km (0.12 R)
• M12: 5,448,803 km (0.116 R)
• M13: 6,604,447 km (0.063 R)
• M14: 7,550,055 km (0.032 R)
• M15: 8,133,935 km (0.037 R)
• M16: 8,583,178 km (0.093 R)
• M17: 9,461,317 km (0.073 R)
• M18: 9,743,160 km (0.117 R)
• M19: 10,249,997 km (0.104 R)
• M20: 11,120,807 km (0.118 R)
• M21: 12,287,670 km (0.119 R)
• M22: 12,538,994 km (0.084 R)
• M23: 13,008,582 km (0.111 R)
• M24: 16,580,082 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 14

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.54 AU - 3.66 AU

Year: 4343 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,553,125 km

• M1: 176,675 km (0.114 R)
• M2: 692,189 km (0.087 R)
• M3: 1,606,382 km (0.083 R)
• M4: 2,080,458 km (0.111 R)
• M5: 3,284,571 km (0.101 R)
• M6: 4,700,515 km (0.105 R)
• M7: 6,965,277 km (0.039 R)
• M8: 9,577,555 km (0.092 R)
• M9: 14,358,852 km (0.109 R)
• M10: 15,633,725 km (0.07 R)
• M11: 16,706,941 km (0.047 R)
• M12: 17,486,944 km (0.075 R)
• M13: 22,285,595 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 10,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit