🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516

Radius: 8.7

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 176.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,369,644 km

• M1: 108,309 km (0.112 R)
• M2: 394,041 km (0.101 R)
• M3: 828,922 km (0.108 R)
• M4: 1,317,209 km (0.099 R)
• M5: 1,837,361 km (0.103 R)
• M6: 2,353,922 km (0.12 R)
• M7: 2,637,859 km (0.045 R)
• M8: 3,254,950 km (0.039 R)
• M9: 3,894,332 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 11.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.62 AU - 0.92 AU

Year: 466 Days

Day: 12.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,369,644 km

• M1: 139,276 km (0.074 R)
• M2: 534,064 km (0.109 R)
• M3: 934,538 km (0.063 R)
• M4: 1,337,405 km (0.111 R)
• M5: 1,948,662 km (0.097 R)
• M6: 2,311,138 km (0.042 R)
• M7: 3,230,267 km (0.096 R)
• M8: 3,930,086 km (0.117 R)
• M9: 4,460,261 km (0.098 R)
• M10: 4,903,369 km (0.108 R)
• M11: 5,266,593 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 13.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,369,644 km

• M1: 172,935 km (0.083 R)
• M2: 830,867 km (0.062 R)
• M3: 1,427,762 km (0.1 R)
• M4: 2,122,794 km (0.053 R)
• M5: 2,938,551 km (0.061 R)
• M6: 4,323,229 km (0.057 R)
• M7: 4,911,896 km (0.087 R)
• M8: 5,388,067 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 14.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.46 AU - 2.5 AU

Year: 2696 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,369,644 km

• M1: 181,612 km (0.101 R)
• M2: 660,774 km (0.118 R)
• M3: 1,451,399 km (0.098 R)
• M4: 2,126,235 km (0.06 R)
• M5: 2,582,957 km (0.103 R)
• M6: 3,208,575 km (0.114 R)
• M7: 4,284,333 km (0.107 R)
• M8: 6,643,791 km (0.107 R)
• M9: 7,173,966 km (0.105 R)
• M10: 9,547,037 km (0.112 R)
• M11: 10,417,397 km (0.031 R)
• M12: 10,972,705 km (0.095 R)
• M13: 12,013,756 km (0.085 R)
• M14: 15,128,683 km (0.11 R)
• M15: 15,635,969 km (0.097 R)
• M16: 19,690,371 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.94 AU - 3.86 AU

Year: 4327 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,369,644 km

• M1: 162,912 km (0.119 R)
• M2: 748,139 km (0.091 R)
• M3: 1,233,584 km (0.096 R)
• M4: 2,166,776 km (0.092 R)
• M5: 2,661,945 km (0.034 R)
• M6: 3,270,808 km (0.114 R)
• M7: 4,357,936 km (0.095 R)
• M8: 7,959,205 km (0.119 R)
• M9: 9,426,910 km (0.099 R)
• M10: 10,458,387 km (0.082 R)
• M11: 11,246,768 km (0.12 R)
• M12: 11,933,572 km (0.093 R)
• M13: 16,194,119 km (0.094 R)
• M14: 18,287,891 km (0.104 R)
• M15: 19,238,286 km (0.046 R)
• M16: 21,723,406 km (0.054 R)
• M17: 23,152,365 km (0.075 R)
• M18: 24,039,331 km (0.12 R)
• M19: 26,675,694 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.4

Radius: 4.2

Gravity: 50.7 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.48 AU - 6.78 AU

Year: 9221 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 28,369,644 km

• M1: 52,210 km (0.118 R)
• M2: 222,901 km (0.086 R)
• M3: 572,960 km (0.108 R)
• M4: 883,974 km (0.098 R)
• M5: 2,233,047 km (0.071 R)
• M6: 2,523,118 km (0.094 R)
• M7: 3,201,544 km (0.047 R)
• M8: 3,570,303 km (0.075 R)
• M9: 4,218,361 km (0.115 R)
• M10: 4,909,653 km (0.059 R)
• M11: 6,399,647 km (0.06 R)
• M12: 6,629,130 km (0.068 R)
• M13: 7,433,518 km (0.032 R)
• M14: 7,729,872 km (0.077 R)
• M15: 8,482,349 km (0.108 R)
• M16: 11,983,238 km (0.115 R)
• M17: 12,508,626 km (0.098 R)
• M18: 13,730,990 km (0.111 R)
• M19: 14,177,091 km (0.04 R)
• M20: 14,566,943 km (0.06 R)
• M21: 14,764,562 km (0.072 R)
• M22: 14,897,405 km (0.088 R)
• M23: 18,174,945 km (0.082 R)
• M24: 19,102,900 km (0.056 R)
• M25: 19,260,576 km (0.047 R)
• M26: 22,423,524 km (0.079 R)
• M27: 22,775,378 km (0.117 R)
• M28: 24,404,349 km (0.116 R)
• M29: 26,012,676 km (0.099 R)
• M30: 27,790,946 km (0.08 R)
• M31: 28,196,955 km (0.069 R)
• M32: 28,709,926 km (0.045 R)
• M33: 30,824,043 km (0.085 R)
• M34: 31,697,994 km (0.092 R)
• M35: 32,926,491 km (0.066 R)
• M36: 34,652,252 km (0.099 R)
• M37: 34,886,822 km (0.081 R)
• M38: 39,038,462 km (0.108 R)
• M39: 48,892,174 km (0.086 R)
• M40: 49,483,535 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.2

Radius: 3.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.19 AU - 9.51 AU

Year: 16655 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,369,644 km

• M1: 50,564 km (0.113 R)
• M2: 169,943 km (0.097 R)
• M3: 336,595 km (0.109 R)
• M4: 827,426 km (0.085 R)
• M5: 1,074,412 km (0.08 R)
• M6: 1,727,257 km (0.072 R)
• M7: 9,720,271 km (0.109 R)
• M8: 11,664,296 km (0.113 R)
• M9: 14,548,393 km (0.036 R)
• M10: 16,476,859 km (0.093 R)
• M11: 17,196,275 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 20,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit