🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 12.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.63 AU - 0.95 AU

Year: 461 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,771,185 km

• M1: 153,039 km (0.098 R)
• M2: 644,767 km (0.089 R)
• M3: 1,078,451 km (0.111 R)
• M4: 1,538,465 km (0.062 R)
• M5: 2,086,142 km (0.112 R)
• M6: 2,698,746 km (0.101 R)
• M7: 3,342,914 km (0.09 R)
• M8: 3,908,394 km (0.119 R)
• M9: 4,359,132 km (0.098 R)
• M10: 5,199,274 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 13.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.84 AU - 1.18 AU

Year: 666 Days

Day: 5.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 16,771,185 km

• M1: 195,973 km (0.081 R)
• M2: 990,936 km (0.08 R)
• M3: 1,676,543 km (0.077 R)
• M4: 2,267,904 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.94 AU - 1.48 AU

Year: 873 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 16,771,185 km

• M1: 254,765 km (0.09 R)
• M2: 2,085,394 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 11

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.35 AU - 1.65 AU

Year: 1205 Days

Day: 13.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,771,185 km

• M1: 136,882 km (0.116 R)
• M2: 483,201 km (0.073 R)
• M3: 852,259 km (0.069 R)
• M4: 1,695,243 km (0.108 R)
• M5: 2,089,733 km (0.1 R)
• M6: 2,486,616 km (0.111 R)
• M7: 3,376,125 km (0.069 R)
• M8: 4,518,903 km (0.096 R)
• M9: 4,883,473 km (0.07 R)
• M10: 5,528,090 km (0.065 R)
• M11: 6,184,526 km (0.087 R)
• M12: 7,011,353 km (0.077 R)
• M13: 9,371,110 km (0.105 R)
• M14: 9,875,703 km (0.11 R)
• M15: 10,746,513 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 12

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.43 AU - 1.75 AU

Year: 1315 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,771,185 km

• M1: 149,299 km (0.083 R)
• M2: 544,387 km (0.118 R)
• M3: 932,892 km (0.079 R)
• M4: 1,319,004 km (0.1 R)
• M5: 1,947,166 km (0.066 R)
• M6: 2,753,947 km (0.084 R)
• M7: 3,356,228 km (0.063 R)
• M8: 4,009,971 km (0.066 R)
• M9: 4,688,696 km (0.119 R)
• M10: 5,252,082 km (0.088 R)
• M11: 6,515,137 km (0.1 R)
• M12: 7,832,945 km (0.084 R)
• M13: 8,223,993 km (0.079 R)
• M14: 8,746,090 km (0.025 R)
• M15: 9,507,842 km (0.094 R)
• M16: 10,050,733 km (0.069 R)
• M17: 11,731,914 km (0.118 R)
• M18: 12,696,670 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.2

Radius: 9.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.58 AU - 2.34 AU

Year: 1800 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,771,185 km

• M1: 114,442 km (0.088 R)
• M2: 457,021 km (0.103 R)
• M3: 750,233 km (0.095 R)
• M4: 1,057,208 km (0.119 R)
• M5: 1,481,917 km (0.101 R)
• M6: 1,958,236 km (0.084 R)
• M7: 2,741,381 km (0.11 R)
• M8: 3,040,128 km (0.065 R)
• M9: 3,940,558 km (0.112 R)
• M10: 4,409,248 km (0.114 R)
• M11: 4,971,137 km (0.083 R)
• M12: 6,106,585 km (0.1 R)
• M13: 7,017,636 km (0.103 R)
• M14: 7,555,889 km (0.078 R)
• M15: 8,414,731 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 11.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.93 AU - 2.95 AU

Year: 3307 Days

Day: 14.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 16,771,185 km

• M1: 144,811 km (0.068 R)
• M2: 539,001 km (0.06 R)
• M3: 930,648 km (0.065 R)
• M4: 1,304,793 km (0.113 R)
• M5: 1,728,903 km (0.115 R)
• M6: 2,774,891 km (0.06 R)
• M7: 3,286,665 km (0.104 R)
• M8: 3,680,108 km (0.094 R)
• M9: 4,104,966 km (0.064 R)
• M10: 5,700,277 km (0.039 R)
• M11: 7,017,935 km (0.103 R)
• M12: 11,205,928 km (0.1 R)
• M13: 12,756,061 km (0.118 R)
• M14: 13,865,927 km (0.071 R)
• M15: 14,992,848 km (0.117 R)
• M16: 16,228,377 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 17,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit