🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 13.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,293,748 km

• M1: 170,392 km (0.08 R)
• M2: 644,767 km (0.106 R)
• M3: 1,232,537 km (0.107 R)
• M4: 1,713,494 km (0.072 R)
• M5: 2,761,277 km (0.071 R)
• M6: 3,344,410 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 13.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.77 AU - 0.81 AU

Year: 468 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,293,748 km

• M1: 164,109 km (0.067 R)
• M2: 581,786 km (0.107 R)
• M3: 1,046,587 km (0.11 R)
• M4: 1,617,751 km (0.105 R)
• M5: 2,034,082 km (0.087 R)
• M6: 3,080,968 km (0.104 R)
• M7: 4,266,082 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.8

Radius: 11.8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.25 AU - 2.71 AU

Year: 2604 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,293,748 km

• M1: 146,905 km (0.109 R)
• M2: 632,949 km (0.069 R)
• M3: 1,326,335 km (0.099 R)
• M4: 2,206,269 km (0.105 R)
• M5: 2,767,710 km (0.044 R)
• M6: 3,856,484 km (0.119 R)
• M7: 4,698,271 km (0.104 R)
• M8: 6,350,280 km (0.098 R)
• M9: 8,732,477 km (0.084 R)
• M10: 9,620,041 km (0.062 R)
• M11: 9,991,492 km (0.101 R)
• M12: 10,802,911 km (0.089 R)
• M13: 13,968,402 km (0.092 R)
• M14: 14,835,022 km (0.111 R)
• M15: 15,482,931 km (0.062 R)
• M16: 18,836,017 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 12.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.59 AU - 2.91 AU

Year: 3041 Days

Day: 12.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,293,748 km

• M1: 160,519 km (0.091 R)
• M2: 562,189 km (0.088 R)
• M3: 1,029,084 km (0.09 R)
• M4: 1,551,480 km (0.071 R)
• M5: 1,996,084 km (0.11 R)
• M6: 2,569,942 km (0.038 R)
• M7: 3,609,797 km (0.035 R)
• M8: 4,134,137 km (0.039 R)
• M9: 4,554,956 km (0.11 R)
• M10: 5,027,835 km (0.086 R)
• M11: 5,558,458 km (0.12 R)
• M12: 5,993,788 km (0.115 R)
• M13: 6,396,955 km (0.112 R)
• M14: 7,592,541 km (0.064 R)
• M15: 8,591,555 km (0.092 R)
• M16: 9,785,945 km (0.089 R)
• M17: 10,346,787 km (0.114 R)
• M18: 11,656,666 km (0.075 R)
• M19: 13,755,375 km (0.088 R)
• M20: 14,700,235 km (0.095 R)
• M21: 16,666,699 km (0.087 R)
• M22: 17,467,945 km (0.089 R)
• M23: 19,553,938 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 11.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.44 AU - 4.18 AU

Year: 4959 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,293,748 km

• M1: 148,551 km (0.116 R)
• M2: 744,997 km (0.099 R)
• M3: 1,276,369 km (0.078 R)
• M4: 1,705,117 km (0.097 R)
• M5: 2,353,922 km (0.12 R)
• M6: 2,934,362 km (0.12 R)
• M7: 4,028,371 km (0.052 R)
• M8: 5,807,389 km (0.079 R)
• M9: 7,173,218 km (0.096 R)
• M10: 9,058,450 km (0.09 R)
• M11: 10,267,051 km (0.119 R)
• M12: 11,722,340 km (0.116 R)
• M13: 12,351,249 km (0.049 R)
• M14: 13,207,398 km (0.087 R)
• M15: 17,216,172 km (0.117 R)
• M16: 19,462,982 km (0.066 R)
• M17: 20,002,731 km (0.086 R)
• M18: 20,414,125 km (0.095 R)
• M19: 26,949,308 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 12

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.65 AU - 5.79 AU

Year: 6838 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,293,748 km

• M1: 149,299 km (0.106 R)
• M2: 624,870 km (0.026 R)
• M3: 1,108,221 km (0.093 R)
• M4: 1,841,699 km (0.065 R)
• M5: 2,302,461 km (0.103 R)
• M6: 3,069,898 km (0.115 R)
• M7: 6,991,157 km (0.052 R)
• M8: 7,896,524 km (0.111 R)
• M9: 8,837,943 km (0.109 R)
• M10: 9,984,611 km (0.118 R)
• M11: 11,713,812 km (0.112 R)
• M12: 12,779,847 km (0.049 R)
• M13: 18,558,065 km (0.118 R)
• M14: 24,635,179 km (0.104 R)
• M15: 27,678,598 km (0.098 R)
• M16: 28,120,211 km (0.045 R)
• M17: 29,841,484 km (0.119 R)
• M18: 31,440,236 km (0.032 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: 513 - 16,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit