🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.1

Radius: 11.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.64 AU - 0.82 AU

Year: 403 Days

Day: 13.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,271,750 km

• M1: 139,276 km (0.101 R)
• M2: 626,965 km (0.092 R)
• M3: 1,176,587 km (0.096 R)
• M4: 1,571,974 km (0.108 R)
• M5: 2,175,153 km (0.065 R)
• M6: 2,604,050 km (0.103 R)
• M7: 3,289,059 km (0.029 R)
• M8: 3,954,620 km (0.096 R)
• M9: 4,517,706 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 11.4

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.88 AU - 1.24 AU

Year: 705 Days

Day: 6.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,271,750 km

• M1: 143,016 km (0.108 R)
• M2: 518,506 km (0.057 R)
• M3: 968,945 km (0.071 R)
• M4: 2,128,628 km (0.11 R)
• M5: 2,805,409 km (0.093 R)
• M6: 3,261,084 km (0.094 R)
• M7: 3,915,275 km (0.05 R)
• M8: 5,260,160 km (0.066 R)
• M9: 5,797,217 km (0.062 R)
• M10: 6,936,554 km (0.067 R)
• M11: 7,702,794 km (0.07 R)
• M12: 8,069,459 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.96 AU - 1.4 AU

Year: 828 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,271,750 km

• M1: 150,495 km (0.091 R)
• M2: 610,509 km (0.118 R)
• M3: 995,574 km (0.12 R)
• M4: 1,376,300 km (0.09 R)
• M5: 1,759,271 km (0.12 R)
• M6: 2,163,634 km (0.112 R)
• M7: 2,595,972 km (0.048 R)
• M8: 4,336,693 km (0.032 R)
• M9: 4,850,861 km (0.107 R)
• M10: 5,310,126 km (0.064 R)
• M11: 5,838,805 km (0.116 R)
• M12: 6,510,649 km (0.054 R)
• M13: 7,303,966 km (0.085 R)
• M14: 8,313,902 km (0.093 R)
• M15: 9,165,114 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 12.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.24 AU - 1.44 AU

Year: 1002 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,271,750 km

• M1: 153,039 km (0.108 R)
• M2: 546,780 km (0.046 R)
• M3: 933,341 km (0.087 R)
• M4: 1,507,199 km (0.081 R)
• M5: 2,146,131 km (0.108 R)
• M6: 2,664,188 km (0.117 R)
• M7: 3,538,139 km (0.11 R)
• M8: 3,983,941 km (0.073 R)
• M9: 4,610,158 km (0.112 R)
• M10: 5,092,162 km (0.085 R)
• M11: 6,118,703 km (0.113 R)
• M12: 6,975,450 km (0.086 R)
• M13: 7,818,134 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.5

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.17 AU - 1.55 AU

Year: 1024 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,271,750 km

• M1: 185,352 km (0.113 R)
• M2: 667,356 km (0.091 R)
• M3: 1,277,566 km (0.078 R)
• M4: 2,060,411 km (0.117 R)
• M5: 2,678,699 km (0.105 R)
• M6: 3,613,985 km (0.094 R)
• M7: 5,040,700 km (0.083 R)
• M8: 5,640,289 km (0.057 R)
• M9: 6,154,008 km (0.104 R)
• M10: 10,872,025 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 13

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.17 AU - 2.43 AU

Year: 2252 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,271,750 km

• M1: 162,164 km (0.091 R)
• M2: 703,858 km (0.11 R)
• M3: 2,076,418 km (0.056 R)
• M4: 2,493,198 km (0.092 R)
• M5: 4,097,336 km (0.104 R)
• M6: 6,457,542 km (0.113 R)
• M7: 8,587,666 km (0.109 R)
• M8: 11,902,605 km (0.11 R)
• M9: 13,133,945 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 9.8

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.43 AU - 4.63 AU

Year: 5224 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,271,750 km

• M1: 122,820 km (0.091 R)
• M2: 542,891 km (0.08 R)
• M3: 1,071,869 km (0.088 R)
• M4: 1,598,603 km (0.102 R)
• M5: 2,258,629 km (0.045 R)
• M6: 2,670,023 km (0.114 R)
• M7: 3,424,295 km (0.093 R)
• M8: 4,868,364 km (0.108 R)
• M9: 7,135,519 km (0.117 R)
• M10: 8,260,794 km (0.106 R)
• M11: 8,948,795 km (0.047 R)
• M12: 10,765,212 km (0.114 R)
• M13: 13,516,317 km (0.106 R)
• M14: 14,016,423 km (0.079 R)
• M15: 15,112,826 km (0.077 R)
• M16: 15,530,952 km (0.114 R)
• M17: 16,141,461 km (0.094 R)
• M18: 17,541,098 km (0.062 R)
• M19: 18,608,629 km (0.036 R)
• M20: 20,074,837 km (0.034 R)
• M21: 22,999,625 km (0.083 R)
• M22: 23,632,873 km (0.069 R)
• M23: 24,115,476 km (0.117 R)
• M24: 24,522,532 km (0.11 R)
• M25: 26,627,374 km (0.102 R)
• M26: 27,679,196 km (0.111 R)
• M27: 32,165,188 km (0.041 R)
• M28: 33,863,572 km (0.112 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: 454 - 17,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit