🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.4

Radius: 8.2

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 13 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,368,003 km

• M1: 102,026 km (0.062 R)
• M2: 376,089 km (0.116 R)
• M3: 691,741 km (0.03 R)
• M4: 1,092,962 km (0.077 R)
• M5: 1,359,545 km (0.112 R)
• M6: 2,073,426 km (0.099 R)
• M7: 2,402,691 km (0.117 R)
• M8: 2,938,102 km (0.096 R)
• M9: 4,133,988 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 10.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.6 AU - 0.96 AU

Year: 484 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,368,003 km

• M1: 135,536 km (0.104 R)
• M2: 646,861 km (0.063 R)
• M3: 993,479 km (0.083 R)
• M4: 1,469,500 km (0.081 R)
• M5: 1,955,693 km (0.065 R)
• M6: 2,725,673 km (0.095 R)
• M7: 3,119,564 km (0.082 R)
• M8: 4,170,938 km (0.053 R)
• M9: 4,711,435 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 8.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.02 AU - 2.4 AU

Year: 2309 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,368,003 km

• M1: 111,151 km (0.093 R)
• M2: 437,723 km (0.094 R)
• M3: 788,381 km (0.057 R)
• M4: 1,082,640 km (0.069 R)
• M5: 1,399,338 km (0.045 R)
• M6: 1,968,858 km (0.104 R)
• M7: 2,425,430 km (0.066 R)
• M8: 2,803,913 km (0.113 R)
• M9: 3,248,069 km (0.119 R)
• M10: 3,680,108 km (0.106 R)
• M11: 5,100,240 km (0.095 R)
• M12: 6,591,133 km (0.117 R)
• M13: 6,966,025 km (0.086 R)
• M14: 7,566,660 km (0.071 R)
• M15: 8,557,746 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.6

Radius: 10.6

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.89 AU - 4.63 AU

Year: 5125 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,368,003 km

• M1: 131,796 km (0.118 R)
• M2: 466,297 km (0.057 R)
• M3: 875,596 km (0.071 R)
• M4: 1,801,308 km (0.059 R)
• M5: 2,397,455 km (0.084 R)
• M6: 2,733,303 km (0.069 R)
• M7: 4,179,465 km (0.028 R)
• M8: 4,860,136 km (0.098 R)
• M9: 5,256,271 km (0.048 R)
• M10: 5,985,860 km (0.11 R)
• M11: 7,759,492 km (0.086 R)
• M12: 8,583,178 km (0.115 R)
• M13: 9,334,608 km (0.091 R)
• M14: 10,129,272 km (0.08 R)
• M15: 10,825,351 km (0.04 R)
• M16: 11,702,593 km (0.063 R)
• M17: 12,365,012 km (0.05 R)
• M18: 13,052,414 km (0.105 R)
• M19: 14,330,578 km (0.041 R)
• M20: 15,088,890 km (0.077 R)
• M21: 17,525,241 km (0.034 R)
• M22: 20,140,511 km (0.095 R)
• M23: 20,649,144 km (0.056 R)
• M24: 22,226,803 km (0.075 R)
• M25: 22,848,382 km (0.107 R)
• M26: 26,390,261 km (0.079 R)
• M27: 27,263,464 km (0.066 R)
• M28: 28,700,651 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 14.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.07 AU - 5.61 AU

Year: 7485 Days

Day: 7.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,368,003 km

• M1: 175,478 km (0.095 R)
• M2: 932,444 km (0.053 R)
• M3: 1,676,543 km (0.103 R)
• M4: 2,145,383 km (0.118 R)
• M5: 2,612,278 km (0.081 R)
• M6: 3,107,297 km (0.06 R)
• M7: 4,213,873 km (0.12 R)
• M8: 4,681,366 km (0.119 R)
• M9: 5,418,435 km (0.114 R)
• M10: 7,125,047 km (0.118 R)
• M11: 9,468,947 km (0.099 R)
• M12: 10,697,594 km (0.056 R)
• M13: 11,624,054 km (0.065 R)
• M14: 12,870,054 km (0.113 R)
• M15: 14,145,975 km (0.054 R)
• M16: 15,082,308 km (0.118 R)
• M17: 15,688,179 km (0.093 R)
• M18: 17,737,072 km (0.094 R)
• M19: 18,208,006 km (0.098 R)
• M20: 19,742,880 km (0.094 R)
• M21: 20,248,969 km (0.096 R)
• M22: 25,116,884 km (0.037 R)
• M23: 28,549,557 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.4

Radius: 4.5

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.23 AU - 9.05 AU

Year: 17852 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,368,003 km

• M1: 222,452 km (0.058 R)
• M2: 549,024 km (0.098 R)
• M3: 1,628,522 km (0.108 R)
• M4: 2,213,151 km (0.101 R)
• M5: 2,994,800 km (0.051 R)
• M6: 4,430,042 km (0.1 R)
• M7: 5,902,982 km (0.069 R)
• M8: 7,546,315 km (0.067 R)
• M9: 8,155,627 km (0.09 R)
• M10: 9,471,789 km (0.105 R)
• M11: 12,576,543 km (0.103 R)
• M12: 13,936,837 km (0.107 R)
• M13: 18,369,272 km (0.115 R)
• M14: 21,112,000 km (0.119 R)
• M15: 24,673,775 km (0.107 R)
• M16: 33,300,935 km (0.057 R)
• M17: 34,459,271 km (0.099 R)
• M18: 35,285,799 km (0.073 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit