🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 14.5

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.75 AU - 0.77 AU

Year: 421 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,011,776 km

• M1: 180,415 km (0.093 R)
• M2: 739,013 km (0.114 R)
• M3: 1,332,169 km (0.077 R)
• M4: 1,845,140 km (0.113 R)
• M5: 2,472,554 km (0.083 R)
• M6: 2,928,378 km (0.088 R)
• M7: 4,094,793 km (0.112 R)
• M8: 4,620,181 km (0.054 R)
• M9: 5,110,712 km (0.107 R)
• M10: 5,653,304 km (0.049 R)
• M11: 6,252,293 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 14.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.1 AU - 4.56 AU

Year: 4766 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,011,776 km

• M1: 176,525 km (0.084 R)
• M2: 660,774 km (0.084 R)
• M3: 2,433,957 km (0.052 R)
• M4: 3,935,322 km (0.112 R)
• M5: 5,432,497 km (0.039 R)
• M6: 6,078,909 km (0.099 R)
• M7: 6,645,736 km (0.082 R)
• M8: 7,179,052 km (0.116 R)
• M9: 9,315,759 km (0.114 R)
• M10: 9,772,631 km (0.108 R)
• M11: 10,331,977 km (0.074 R)
• M12: 11,234,202 km (0.108 R)
• M13: 13,351,610 km (0.086 R)
• M14: 14,312,627 km (0.083 R)
• M15: 16,673,730 km (0.113 R)
• M16: 18,042,550 km (0.096 R)
• M17: 22,303,247 km (0.065 R)
• M18: 24,745,582 km (0.112 R)
• M19: 26,195,186 km (0.087 R)
• M20: 28,648,740 km (0.085 R)
• M21: 29,796,904 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 13.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.46 AU - 5.02 AU

Year: 5551 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,011,776 km

• M1: 166,652 km (0.117 R)
• M2: 898,784 km (0.038 R)
• M3: 2,758,585 km (0.089 R)
• M4: 3,930,385 km (0.06 R)
• M5: 8,372,544 km (0.115 R)
• M6: 13,846,779 km (0.104 R)
• M7: 14,317,863 km (0.105 R)
• M8: 16,889,749 km (0.084 R)
• M9: 18,482,219 km (0.055 R)
• M10: 19,053,982 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.9

Radius: 3

Gravity: 44.66 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.22 AU - 8.98 AU

Year: 13322 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,011,776 km

• M1: 37,250 km (0.102 R)
• M2: 134,488 km (0.102 R)
• M3: 349,760 km (0.076 R)
• M4: 561,291 km (0.096 R)
• M5: 699,968 km (0.026 R)
• M6: 832,811 km (0.096 R)
• M7: 1,374,356 km (0.116 R)
• M8: 1,734,737 km (0.082 R)
• M9: 2,456,547 km (0.096 R)
• M10: 2,983,879 km (0.047 R)
• M11: 3,214,559 km (0.078 R)
• M12: 5,109,665 km (0.072 R)
• M13: 5,305,937 km (0.12 R)
• M14: 6,289,244 km (0.113 R)
• M15: 6,552,985 km (0.037 R)
• M16: 7,554,692 km (0.03 R)
• M17: 8,517,056 km (0.111 R)
• M18: 9,362,882 km (0.081 R)
• M19: 11,775,746 km (0.095 R)
• M20: 12,233,815 km (0.075 R)
• M21: 15,301,469 km (0.072 R)
• M22: 16,333,993 km (0.1 R)
• M23: 21,263,393 km (0.059 R)
• M24: 26,027,636 km (0.093 R)
• M25: 27,098,308 km (0.087 R)
• M26: 36,258,784 km (0.074 R)
• M27: 38,209,690 km (0.109 R)
• M28: 38,334,006 km (0.039 R)
• M29: 41,658,669 km (0.09 R)
• M30: 41,921,961 km (0.102 R)
• M31: 42,054,205 km (0.092 R)
• M32: 42,319,293 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.1

Radius: 7.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.94 AU - 11.02 AU

Year: 17110 Days

Day: 20.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,011,776 km

• M1: 2,411,667 km (0.12 R)
• M2: 2,930,473 km (0.106 R)
• M3: 3,475,159 km (0.096 R)
• M4: 4,736,717 km (0.078 R)
• M5: 5,581,945 km (0.107 R)
• M6: 6,348,335 km (0.109 R)
• M7: 6,848,142 km (0.077 R)
• M8: 8,980,809 km (0.051 R)
• M9: 9,656,842 km (0.065 R)
• M10: 10,078,558 km (0.05 R)
• M11: 14,203,420 km (0.102 R)
• M12: 16,535,801 km (0.115 R)
• M13: 17,071,810 km (0.099 R)
• M14: 18,037,614 km (0.078 R)
• M15: 22,837,910 km (0.087 R)
• M16: 24,523,729 km (0.099 R)
• M17: 25,220,705 km (0.109 R)
• M18: 27,670,819 km (0.081 R)
• M19: 30,574,364 km (0.032 R)
• M20: 33,355,688 km (0.118 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: 527 - 15,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit