🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 9.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.61 AU - 0.99 AU

Year: 494 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,742,628 km

• M1: 119,828 km (0.087 R)
• M2: 437,424 km (0.116 R)
• M3: 759,359 km (0.097 R)
• M4: 1,078,601 km (0.061 R)
• M5: 1,482,515 km (0.108 R)
• M6: 1,969,157 km (0.077 R)
• M7: 2,478,837 km (0.1 R)
• M8: 2,781,623 km (0.074 R)
• M9: 3,168,483 km (0.046 R)
• M10: 3,994,862 km (0.088 R)
• M11: 4,310,064 km (0.026 R)
• M12: 5,205,258 km (0.101 R)
• M13: 5,512,382 km (0.067 R)
• M14: 6,644,689 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 8.9

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.84 AU - 1.24 AU

Year: 732 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,742,628 km

• M1: 110,702 km (0.112 R)
• M2: 391,946 km (0.075 R)
• M3: 1,031,926 km (0.099 R)
• M4: 1,561,054 km (0.1 R)
• M5: 1,871,469 km (0.108 R)
• M6: 2,380,252 km (0.081 R)
• M7: 2,695,006 km (0.071 R)
• M8: 3,867,105 km (0.108 R)
• M9: 4,244,391 km (0.025 R)
• M10: 4,582,781 km (0.115 R)
• M11: 5,124,176 km (0.12 R)
• M12: 5,436,985 km (0.098 R)
• M13: 5,799,610 km (0.108 R)
• M14: 6,139,796 km (0.088 R)
• M15: 6,433,307 km (0.099 R)
• M16: 7,006,566 km (0.108 R)
• M17: 7,284,070 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 9.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.07 AU - 1.23 AU

Year: 851 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,742,628 km

• M1: 119,379 km (0.067 R)
• M2: 420,819 km (0.1 R)
• M3: 766,689 km (0.09 R)
• M4: 1,168,659 km (0.116 R)
• M5: 2,067,443 km (0.114 R)
• M6: 2,456,547 km (0.092 R)
• M7: 3,148,586 km (0.117 R)
• M8: 3,558,634 km (0.076 R)
• M9: 4,187,095 km (0.075 R)
• M10: 4,756,165 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 8.8

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.15 AU - 1.35 AU

Year: 965 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,742,628 km

• M1: 109,506 km (0.105 R)
• M2: 466,297 km (0.11 R)
• M3: 792,420 km (0.111 R)
• M4: 1,288,187 km (0.071 R)
• M5: 1,798,166 km (0.061 R)
• M6: 2,302,910 km (0.104 R)
• M7: 2,964,431 km (0.061 R)
• M8: 3,746,978 km (0.089 R)
• M9: 4,823,484 km (0.103 R)
• M10: 5,675,294 km (0.077 R)
• M11: 6,008,748 km (0.101 R)
• M12: 6,466,218 km (0.062 R)
• M13: 6,830,190 km (0.052 R)
• M14: 7,927,939 km (0.057 R)
• M15: 9,195,781 km (0.089 R)
• M16: 9,482,111 km (0.047 R)
• M17: 9,982,516 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 9.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.47 AU - 1.53 AU

Year: 1268 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,742,628 km

• M1: 123,269 km (0.11 R)
• M2: 446,400 km (0.065 R)
• M3: 856,597 km (0.112 R)
• M4: 1,206,058 km (0.108 R)
• M5: 2,125,487 km (0.06 R)
• M6: 2,475,994 km (0.12 R)
• M7: 3,368,794 km (0.097 R)
• M8: 3,824,918 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 12

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.78 AU - 4.88 AU

Year: 6219 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,742,628 km

• M1: 149,448 km (0.091 R)
• M2: 2,457,743 km (0.08 R)
• M3: 3,184,789 km (0.097 R)
• M4: 4,072,204 km (0.103 R)
• M5: 7,700,550 km (0.094 R)
• M6: 10,126,429 km (0.086 R)
• M7: 13,612,509 km (0.117 R)
• M8: 14,739,579 km (0.076 R)
• M9: 15,707,178 km (0.104 R)
• M10: 16,773,960 km (0.114 R)
• M11: 18,679,089 km (0.089 R)
• M12: 22,145,122 km (0.099 R)
• M13: 24,581,623 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 9.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.51 AU - 5.83 AU

Year: 8114 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,742,628 km

• M1: 408,402 km (0.106 R)
• M2: 747,391 km (0.08 R)
• M3: 1,149,360 km (0.085 R)
• M4: 1,465,610 km (0.099 R)
• M5: 1,855,612 km (0.102 R)
• M6: 2,459,389 km (0.026 R)
• M7: 2,910,277 km (0.11 R)
• M8: 3,628,945 km (0.037 R)
• M9: 4,323,678 km (0.046 R)
• M10: 4,717,419 km (0.102 R)
• M11: 5,135,097 km (0.072 R)
• M12: 5,642,532 km (0.092 R)
• M13: 7,367,695 km (0.026 R)
• M14: 9,189,648 km (0.048 R)
• M15: 11,771,707 km (0.054 R)
• M16: 14,552,881 km (0.098 R)
• M17: 18,246,003 km (0.073 R)
• M18: 19,503,224 km (0.102 R)
• M19: 24,227,974 km (0.075 R)
• M20: 29,364,865 km (0.036 R)
• M21: 34,403,920 km (0.04 R)
• M22: 36,204,031 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 11,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit