🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 8.6

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.07 AU - 1.23 AU

Year: 867 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,692,052 km

• M1: 109,356 km (0.087 R)
• M2: 423,063 km (0.118 R)
• M3: 1,066,034 km (0.075 R)
• M4: 1,520,962 km (0.063 R)
• M5: 1,808,189 km (0.101 R)
• M6: 2,910,427 km (0.039 R)
• M7: 3,358,023 km (0.07 R)
• M8: 4,139,523 km (0.112 R)
• M9: 4,564,680 km (0.081 R)
• M10: 4,943,910 km (0.072 R)
• M11: 5,285,742 km (0.079 R)
• M12: 5,683,971 km (0.119 R)
• M13: 5,995,583 km (0.067 R)
• M14: 6,630,776 km (0.108 R)
• M15: 7,141,802 km (0.115 R)
• M16: 7,456,107 km (0.099 R)
• M17: 8,724,398 km (0.099 R)
• M18: 9,253,077 km (0.059 R)
• M19: 10,100,848 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 9.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.21 AU - 3.27 AU

Year: 3188 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,692,052 km

• M1: 176,825 km (0.05 R)
• M2: 610,958 km (0.082 R)
• M3: 1,419,534 km (0.057 R)
• M4: 1,733,540 km (0.069 R)
• M5: 2,132,966 km (0.057 R)
• M6: 2,570,989 km (0.105 R)
• M7: 2,956,652 km (0.112 R)
• M8: 4,271,767 km (0.076 R)
• M9: 6,428,669 km (0.113 R)
• M10: 6,965,127 km (0.117 R)
• M11: 8,225,789 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 12.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.07 AU - 4.43 AU

Year: 5105 Days

Day: 13.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,692,052 km

• M1: 156,330 km (0.054 R)
• M2: 552,315 km (0.1 R)
• M3: 945,758 km (0.106 R)
• M4: 1,642,585 km (0.065 R)
• M5: 2,498,284 km (0.098 R)
• M6: 3,138,713 km (0.11 R)
• M7: 3,715,413 km (0.081 R)
• M8: 4,626,165 km (0.071 R)
• M9: 5,321,346 km (0.046 R)
• M10: 6,174,503 km (0.056 R)
• M11: 6,602,801 km (0.12 R)
• M12: 7,083,758 km (0.079 R)
• M13: 9,932,102 km (0.104 R)
• M14: 11,135,018 km (0.101 R)
• M15: 11,818,232 km (0.039 R)
• M16: 12,674,680 km (0.047 R)
• M17: 13,268,434 km (0.111 R)
• M18: 14,141,188 km (0.076 R)
• M19: 18,580,654 km (0.066 R)
• M20: 23,501,526 km (0.082 R)
• M21: 23,947,178 km (0.076 R)
• M22: 26,982,519 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.7

Radius: 6.5

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.52 AU - 7.2 AU

Year: 11274 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,692,052 km

• M1: 80,783 km (0.097 R)
• M2: 373,546 km (0.073 R)
• M3: 1,021,305 km (0.119 R)
• M4: 1,255,425 km (0.075 R)
• M5: 1,929,663 km (0.08 R)
• M6: 2,677,503 km (0.087 R)
• M7: 2,994,800 km (0.091 R)
• M8: 5,321,196 km (0.079 R)
• M9: 6,504,964 km (0.092 R)
• M10: 7,480,791 km (0.103 R)
• M11: 7,939,757 km (0.112 R)
• M12: 8,372,993 km (0.113 R)
• M13: 9,052,317 km (0.078 R)
• M14: 10,315,970 km (0.045 R)
• M15: 10,990,058 km (0.056 R)
• M16: 11,473,708 km (0.117 R)
• M17: 11,748,370 km (0.054 R)
• M18: 12,027,519 km (0.058 R)
• M19: 12,715,520 km (0.11 R)
• M20: 17,913,747 km (0.118 R)
• M21: 20,692,377 km (0.084 R)
• M22: 21,930,300 km (0.051 R)
• M23: 23,745,520 km (0.093 R)
• M24: 24,102,162 km (0.038 R)
• M25: 27,671,717 km (0.091 R)
• M26: 28,166,137 km (0.075 R)
• M27: 29,479,308 km (0.117 R)
• M28: 32,118,364 km (0.057 R)
• M29: 36,071,787 km (0.095 R)
• M30: 36,661,801 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.7

Radius: 3.7

Gravity: 31.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.03 AU - 7.81 AU

Year: 11434 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,692,052 km

• M1: 46,076 km (0.068 R)
• M2: 173,982 km (0.114 R)
• M3: 338,241 km (0.032 R)
• M4: 502,649 km (0.068 R)
• M5: 965,205 km (0.075 R)
• M6: 1,147,116 km (0.084 R)
• M7: 2,440,240 km (0.116 R)
• M8: 3,826,265 km (0.108 R)
• M9: 4,774,416 km (0.115 R)
• M10: 5,112,058 km (0.118 R)
• M11: 5,597,803 km (0.076 R)
• M12: 6,585,747 km (0.099 R)
• M13: 7,003,873 km (0.101 R)
• M14: 7,239,340 km (0.093 R)
• M15: 8,277,250 km (0.113 R)
• M16: 8,764,042 km (0.069 R)
• M17: 12,091,697 km (0.119 R)
• M18: 14,852,376 km (0.098 R)
• M19: 16,309,908 km (0.108 R)
• M20: 19,893,525 km (0.071 R)
• M21: 20,444,793 km (0.117 R)
• M22: 21,992,383 km (0.109 R)
• M23: 25,965,702 km (0.117 R)
• M24: 27,389,575 km (0.056 R)
• M25: 29,570,712 km (0.118 R)
• M26: 33,055,295 km (0.096 R)
• M27: 35,180,782 km (0.057 R)
• M28: 36,451,915 km (0.085 R)
• M29: 43,532,232 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.2

Radius: 4

Gravity: 55.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.95 AU - 7.05 AU

Year: 11649 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,692,052 km

• M1: 49,966 km (0.057 R)
• M2: 182,360 km (0.086 R)
• M3: 348,264 km (0.083 R)
• M4: 1,196,933 km (0.105 R)
• M5: 1,544,598 km (0.102 R)
• M6: 3,907,347 km (0.105 R)
• M7: 4,051,709 km (0.087 R)
• M8: 7,741,091 km (0.043 R)
• M9: 8,108,055 km (0.115 R)
• M10: 8,390,795 km (0.105 R)
• M11: 11,530,705 km (0.083 R)
• M12: 16,621,670 km (0.095 R)
• M13: 18,254,381 km (0.109 R)
• M14: 22,289,784 km (0.045 R)
• M15: 26,160,778 km (0.093 R)
• M16: 27,615,019 km (0.104 R)
• M17: 29,673,486 km (0.036 R)
• M18: 31,484,368 km (0.103 R)
• M19: 43,918,344 km (0.05 R)
• M20: 52,984,424 km (0.083 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit