🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 14

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.86 AU - 1.06 AU

Year: 649 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,909,652 km

• M1: 174,132 km (0.116 R)
• M2: 668,553 km (0.079 R)
• M3: 1,239,269 km (0.098 R)
• M4: 2,042,161 km (0.09 R)
• M5: 2,541,219 km (0.102 R)
• M6: 3,964,792 km (0.05 R)
• M7: 4,456,670 km (0.118 R)
• M8: 4,989,239 km (0.076 R)
• M9: 5,639,391 km (0.093 R)
• M10: 6,264,112 km (0.11 R)
• M11: 6,891,525 km (0.119 R)
• M12: 7,583,565 km (0.118 R)
• M13: 8,395,433 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 8.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.35 AU - 1.59 AU

Year: 1230 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,909,652 km

• M1: 106,962 km (0.087 R)
• M2: 484,398 km (0.067 R)
• M3: 1,112,559 km (0.112 R)
• M4: 1,500,018 km (0.033 R)
• M5: 2,780,127 km (0.072 R)
• M6: 3,217,252 km (0.062 R)
• M7: 3,743,088 km (0.113 R)
• M8: 4,103,918 km (0.057 R)
• M9: 4,504,392 km (0.067 R)
• M10: 7,526,119 km (0.084 R)
• M11: 8,176,870 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 8

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.76 AU - 1.94 AU

Year: 1737 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,909,652 km

• M1: 99,483 km (0.117 R)
• M2: 561,291 km (0.036 R)
• M3: 973,284 km (0.093 R)
• M4: 1,224,159 km (0.108 R)
• M5: 1,597,406 km (0.115 R)
• M6: 1,917,396 km (0.077 R)
• M7: 2,384,141 km (0.099 R)
• M8: 2,804,661 km (0.109 R)
• M9: 3,127,643 km (0.077 R)
• M10: 3,579,578 km (0.026 R)
• M11: 3,904,504 km (0.098 R)
• M12: 4,288,522 km (0.105 R)
• M13: 4,572,160 km (0.115 R)
• M14: 4,999,262 km (0.117 R)
• M15: 5,406,168 km (0.036 R)
• M16: 6,082,799 km (0.085 R)
• M17: 6,520,373 km (0.083 R)
• M18: 7,117,717 km (0.052 R)
• M19: 7,662,553 km (0.116 R)
• M20: 8,642,568 km (0.107 R)
• M21: 9,912,056 km (0.075 R)
• M22: 10,591,380 km (0.076 R)
• M23: 12,162,756 km (0.103 R)
• M24: 13,622,233 km (0.12 R)
• M25: 15,194,805 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 9.5

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.36 AU - 2.68 AU

Year: 2761 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,909,652 km

• M1: 118,332 km (0.069 R)
• M2: 521,199 km (0.119 R)
• M3: 1,106,875 km (0.11 R)
• M4: 2,102,299 km (0.068 R)
• M5: 2,501,875 km (0.076 R)
• M6: 3,125,100 km (0.088 R)
• M7: 4,056,645 km (0.072 R)
• M8: 6,116,459 km (0.062 R)
• M9: 7,089,892 km (0.111 R)
• M10: 8,404,109 km (0.075 R)
• M11: 9,045,884 km (0.061 R)
• M12: 9,567,233 km (0.031 R)
• M13: 9,990,744 km (0.08 R)
• M14: 12,616,935 km (0.1 R)
• M15: 13,079,791 km (0.1 R)
• M16: 13,795,317 km (0.068 R)
• M17: 14,942,883 km (0.078 R)
• M18: 16,533,706 km (0.098 R)
• M19: 18,647,524 km (0.098 R)
• M20: 21,650,253 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 11.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.37 AU - 3.07 AU

Year: 3096 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,909,652 km

• M1: 143,165 km (0.049 R)
• M2: 764,296 km (0.103 R)
• M3: 1,168,958 km (0.063 R)
• M4: 1,746,705 km (0.091 R)
• M5: 2,811,842 km (0.081 R)
• M6: 3,907,048 km (0.084 R)
• M7: 4,318,143 km (0.111 R)
• M8: 5,585,685 km (0.12 R)
• M9: 6,327,840 km (0.07 R)
• M10: 6,688,521 km (0.119 R)
• M11: 7,303,966 km (0.108 R)
• M12: 8,593,650 km (0.092 R)
• M13: 9,008,784 km (0.107 R)
• M14: 10,428,019 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.4

Radius: 6.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.4 AU - 10.24 AU

Year: 19640 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,909,652 km

• M1: 78,988 km (0.071 R)
• M2: 282,441 km (0.091 R)
• M3: 1,039,107 km (0.109 R)
• M4: 2,033,334 km (0.074 R)
• M5: 2,798,677 km (0.074 R)
• M6: 3,468,127 km (0.098 R)
• M7: 3,769,567 km (0.115 R)
• M8: 4,846,522 km (0.047 R)
• M9: 8,680,117 km (0.093 R)
• M10: 12,318,487 km (0.049 R)
• M11: 13,415,039 km (0.076 R)
• M12: 13,682,221 km (0.074 R)
• M13: 19,974,457 km (0.066 R)
• M14: 20,410,685 km (0.066 R)
• M15: 21,483,750 km (0.072 R)
• M16: 22,312,971 km (0.115 R)
• M17: 24,628,148 km (0.044 R)
• M18: 25,028,921 km (0.11 R)
• M19: 26,781,160 km (0.108 R)
• M20: 27,633,270 km (0.098 R)
• M21: 28,284,170 km (0.068 R)
• M22: 46,070,011 km (0.09 R)
• M23: 49,961,350 km (0.06 R)
• M24: 54,573,453 km (0.033 R)
• M25: 58,213,019 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 13,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit