🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 11.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.28 AU - 1.46 AU

Year: 1020 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,696,877 km

• M1: 142,118 km (0.062 R)
• M2: 520,152 km (0.094 R)
• M3: 884,871 km (0.094 R)
• M4: 1,704,069 km (0.071 R)
• M5: 2,161,240 km (0.03 R)
• M6: 2,920,749 km (0.105 R)
• M7: 3,400,210 km (0.119 R)
• M8: 3,899,119 km (0.113 R)
• M9: 4,322,481 km (0.09 R)
• M10: 4,852,057 km (0.066 R)
• M11: 5,404,223 km (0.101 R)
• M12: 6,587,542 km (0.117 R)
• M13: 7,240,537 km (0.069 R)
• M14: 7,883,209 km (0.092 R)
• M15: 8,647,655 km (0.109 R)
• M16: 9,135,493 km (0.082 R)
• M17: 9,702,469 km (0.065 R)
• M18: 10,229,502 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 13

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.65 AU - 1.89 AU

Year: 1497 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,696,877 km

• M1: 162,164 km (0.075 R)
• M2: 752,178 km (0.118 R)
• M3: 1,318,406 km (0.065 R)
• M4: 1,919,191 km (0.094 R)
• M5: 2,432,162 km (0.106 R)
• M6: 2,946,031 km (0.066 R)
• M7: 3,361,015 km (0.112 R)
• M8: 3,815,344 km (0.104 R)
• M9: 4,583,230 km (0.102 R)
• M10: 5,163,071 km (0.093 R)
• M11: 6,492,996 km (0.098 R)
• M12: 6,945,081 km (0.075 R)
• M13: 8,376,583 km (0.106 R)
• M14: 9,444,562 km (0.085 R)
• M15: 9,849,225 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 10.1

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.01 AU - 3.51 AU

Year: 3742 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 20,696,877 km

• M1: 147,653 km (0.118 R)
• M2: 464,202 km (0.086 R)
• M3: 795,561 km (0.097 R)
• M4: 1,224,309 km (0.074 R)
• M5: 1,693,149 km (0.114 R)
• M6: 2,249,054 km (0.074 R)
• M7: 2,628,584 km (0.077 R)
• M8: 3,298,184 km (0.05 R)
• M9: 3,812,203 km (0.111 R)
• M10: 4,499,006 km (0.043 R)
• M11: 6,546,104 km (0.095 R)
• M12: 7,393,875 km (0.092 R)
• M13: 7,738,698 km (0.032 R)
• M14: 8,610,853 km (0.051 R)
• M15: 11,301,371 km (0.084 R)
• M16: 11,621,062 km (0.09 R)
• M17: 12,088,256 km (0.085 R)
• M18: 13,565,685 km (0.1 R)
• M19: 14,401,039 km (0.09 R)
• M20: 15,437,303 km (0.096 R)
• M21: 15,831,344 km (0.102 R)
• M22: 16,580,830 km (0.09 R)
• M23: 20,082,916 km (0.104 R)
• M24: 21,724,304 km (0.114 R)
• M25: 23,012,790 km (0.025 R)
• M26: 26,295,865 km (0.102 R)
• M27: 26,858,353 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 12

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.36 AU - 3.58 AU

Year: 4110 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,696,877 km

• M1: 149,448 km (0.052 R)
• M2: 562,338 km (0.115 R)
• M3: 1,370,915 km (0.082 R)
• M4: 2,040,365 km (0.117 R)
• M5: 3,912,284 km (0.069 R)
• M6: 4,631,999 km (0.12 R)
• M7: 8,524,835 km (0.108 R)
• M8: 9,846,981 km (0.046 R)
• M9: 17,222,006 km (0.112 R)
• M10: 19,325,352 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 12.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.06 AU - 3.94 AU

Year: 4163 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,696,877 km

• M1: 159,172 km (0.08 R)
• M2: 715,527 km (0.04 R)
• M3: 1,427,313 km (0.06 R)
• M4: 2,176,948 km (0.046 R)
• M5: 2,593,129 km (0.094 R)
• M6: 3,427,437 km (0.053 R)
• M7: 4,018,199 km (0.097 R)
• M8: 4,626,913 km (0.091 R)
• M9: 6,638,705 km (0.043 R)
• M10: 7,874,084 km (0.095 R)
• M11: 8,490,726 km (0.09 R)
• M12: 10,450,010 km (0.051 R)
• M13: 10,884,292 km (0.084 R)
• M14: 11,330,543 km (0.048 R)
• M15: 15,188,373 km (0.062 R)
• M16: 16,434,224 km (0.063 R)
• M17: 17,869,615 km (0.079 R)
• M18: 19,322,211 km (0.097 R)
• M19: 20,044,170 km (0.119 R)
• M20: 22,894,309 km (0.067 R)
• M21: 23,926,683 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 12.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.3 AU - 6.74 AU

Year: 8246 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,696,877 km

• M1: 201,658 km (0.089 R)
• M2: 955,781 km (0.078 R)
• M3: 2,128,927 km (0.098 R)
• M4: 4,636,936 km (0.1 R)
• M5: 5,693,097 km (0.094 R)
• M6: 8,113,590 km (0.1 R)
• M7: 9,680,179 km (0.084 R)
• M8: 12,461,353 km (0.083 R)
• M9: 13,039,549 km (0.08 R)
• M10: 17,656,139 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 18,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit