🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 9.1

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 512 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,286,815 km

• M1: 113,096 km (0.05 R)
• M2: 470,784 km (0.037 R)
• M3: 838,945 km (0.089 R)
• M4: 1,317,209 km (0.119 R)
• M5: 1,756,429 km (0.099 R)
• M6: 2,365,142 km (0.112 R)
• M7: 2,750,207 km (0.097 R)
• M8: 3,188,230 km (0.061 R)
• M9: 3,571,799 km (0.091 R)
• M10: 4,274,759 km (0.037 R)
• M11: 5,114,751 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 9.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.32 AU - 2.06 AU

Year: 1544 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,286,815 km

• M1: 120,576 km (0.094 R)
• M2: 633,098 km (0.071 R)
• M3: 1,002,755 km (0.115 R)
• M4: 1,445,115 km (0.054 R)
• M5: 1,758,074 km (0.058 R)
• M6: 2,116,959 km (0.098 R)
• M7: 2,893,223 km (0.084 R)
• M8: 3,241,636 km (0.119 R)
• M9: 4,072,353 km (0.112 R)
• M10: 4,494,219 km (0.074 R)
• M11: 4,982,357 km (0.077 R)
• M12: 6,259,923 km (0.084 R)
• M13: 7,921,955 km (0.119 R)
• M14: 8,744,744 km (0.032 R)
• M15: 9,949,156 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 14.1

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.35 AU - 2.57 AU

Year: 2712 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,286,815 km

• M1: 175,329 km (0.101 R)
• M2: 982,260 km (0.086 R)
• M3: 2,232,599 km (0.098 R)
• M4: 3,239,243 km (0.099 R)
• M5: 4,469,386 km (0.036 R)
• M6: 5,281,852 km (0.113 R)
• M7: 7,543,323 km (0.081 R)
• M8: 10,863,797 km (0.102 R)
• M9: 11,505,722 km (0.091 R)
• M10: 12,948,743 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 11

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.57 AU - 5.23 AU

Year: 7624 Days

Day: 7.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,286,815 km

• M1: 137,032 km (0.095 R)
• M2: 1,632,412 km (0.066 R)
• M3: 2,018,225 km (0.081 R)
• M4: 2,558,722 km (0.08 R)
• M5: 2,915,513 km (0.109 R)
• M6: 3,397,218 km (0.072 R)
• M7: 4,493,172 km (0.085 R)
• M8: 4,956,477 km (0.098 R)
• M9: 5,612,763 km (0.039 R)
• M10: 6,433,008 km (0.079 R)
• M11: 7,137,314 km (0.039 R)
• M12: 8,016,501 km (0.116 R)
• M13: 9,702,918 km (0.116 R)
• M14: 11,037,181 km (0.053 R)
• M15: 13,291,621 km (0.057 R)
• M16: 13,645,570 km (0.045 R)
• M17: 15,124,644 km (0.101 R)
• M18: 19,588,196 km (0.118 R)
• M19: 23,634,369 km (0.116 R)
• M20: 25,128,254 km (0.074 R)
• M21: 25,944,160 km (0.059 R)
• M22: 28,400,408 km (0.086 R)
• M23: 29,186,245 km (0.109 R)
• M24: 32,157,409 km (0.081 R)
• M25: 40,889,586 km (0.097 R)
• M26: 41,765,482 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 11.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.51 AU - 6.13 AU

Year: 8625 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,286,815 km

• M1: 144,212 km (0.075 R)
• M2: 795,861 km (0.077 R)
• M3: 1,186,461 km (0.068 R)
• M4: 1,751,941 km (0.091 R)
• M5: 2,788,654 km (0.082 R)
• M6: 4,362,124 km (0.102 R)
• M7: 5,961,026 km (0.109 R)
• M8: 7,028,407 km (0.056 R)
• M9: 8,704,352 km (0.068 R)
• M10: 9,115,447 km (0.081 R)
• M11: 10,529,596 km (0.114 R)
• M12: 12,425,001 km (0.116 R)
• M13: 13,727,101 km (0.084 R)
• M14: 16,187,238 km (0.063 R)
• M15: 18,475,935 km (0.094 R)
• M16: 20,568,361 km (0.05 R)
• M17: 21,964,109 km (0.074 R)
• M18: 22,471,545 km (0.068 R)
• M19: 23,774,393 km (0.062 R)
• M20: 26,340,146 km (0.088 R)
• M21: 28,083,709 km (0.088 R)
• M22: 31,052,928 km (0.109 R)
• M23: 32,340,666 km (0.074 R)
• M24: 41,720,752 km (0.083 R)
• M25: 42,630,157 km (0.086 R)
• M26: 45,029,557 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.7

Radius: 7.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.61 AU - 7.39 AU

Year: 10331 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,286,815 km

• M1: 98,735 km (0.083 R)
• M2: 736,620 km (0.1 R)
• M3: 1,063,042 km (0.084 R)
• M4: 1,986,361 km (0.102 R)
• M5: 2,256,085 km (0.112 R)
• M6: 3,270,808 km (0.066 R)
• M7: 4,583,978 km (0.09 R)
• M8: 4,936,730 km (0.09 R)
• M9: 7,194,760 km (0.092 R)
• M10: 10,498,779 km (0.098 R)
• M11: 11,880,165 km (0.114 R)
• M12: 12,232,468 km (0.051 R)
• M13: 14,247,103 km (0.091 R)
• M14: 17,583,285 km (0.089 R)
• M15: 19,645,043 km (0.105 R)
• M16: 21,084,324 km (0.12 R)
• M17: 21,471,184 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.7

Radius: 6.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.89 AU - 11.33 AU

Year: 20941 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,286,815 km

• M1: 94,995 km (0.029 R)
• M2: 316,250 km (0.06 R)
• M3: 657,632 km (0.09 R)
• M4: 1,196,633 km (0.09 R)
• M5: 3,385,549 km (0.059 R)
• M6: 4,059,787 km (0.095 R)
• M7: 7,802,875 km (0.114 R)
• M8: 10,580,010 km (0.085 R)
• M9: 13,305,534 km (0.036 R)
• M10: 15,597,972 km (0.081 R)
• M11: 20,094,285 km (0.052 R)
• M12: 21,825,731 km (0.072 R)
• M13: 25,780,949 km (0.098 R)
• M14: 26,080,594 km (0.06 R)
• M15: 28,881,963 km (0.115 R)
• M16: 38,219,114 km (0.109 R)
• M17: 42,234,620 km (0.064 R)
• M18: 46,670,347 km (0.085 R)
• M19: 47,563,446 km (0.113 R)
• M20: 47,863,540 km (0.075 R)
• M21: 55,121,430 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 13,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit