🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 13.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.77 AU - 0.79 AU

Year: 438 Days

Day: 7.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,975,515 km

• M1: 170,392 km (0.106 R)
• M2: 678,875 km (0.105 R)
• M3: 1,358,199 km (0.06 R)
• M4: 1,875,359 km (0.093 R)
• M5: 2,798,527 km (0.112 R)
• M6: 3,534,998 km (0.036 R)
• M7: 3,993,665 km (0.084 R)
• M8: 4,506,037 km (0.082 R)
• M9: 5,151,851 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.8

Radius: 9.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.82 AU - 4.5 AU

Year: 5395 Days

Day: 12 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,975,515 km

• M1: 119,379 km (0.094 R)
• M2: 582,833 km (0.103 R)
• M3: 1,315,414 km (0.109 R)
• M4: 1,775,278 km (0.083 R)
• M5: 2,447,571 km (0.116 R)
• M6: 3,002,280 km (0.1 R)
• M7: 3,659,314 km (0.07 R)
• M8: 3,978,406 km (0.103 R)
• M9: 4,946,902 km (0.084 R)
• M10: 5,445,961 km (0.099 R)
• M11: 6,952,860 km (0.064 R)
• M12: 8,795,008 km (0.05 R)
• M13: 9,889,766 km (0.086 R)
• M14: 10,898,205 km (0.101 R)
• M15: 11,338,172 km (0.089 R)
• M16: 13,566,433 km (0.068 R)
• M17: 14,230,946 km (0.117 R)
• M18: 14,863,446 km (0.102 R)
• M19: 15,350,088 km (0.106 R)
• M20: 15,680,400 km (0.042 R)
• M21: 16,815,848 km (0.086 R)
• M22: 18,682,829 km (0.11 R)
• M23: 21,087,166 km (0.094 R)
• M24: 22,469,151 km (0.059 R)
• M25: 24,955,767 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 10.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.43 AU - 4.63 AU

Year: 6130 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 67.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,975,515 km

• M1: 126,859 km (0.078 R)
• M2: 656,735 km (0.079 R)
• M3: 1,032,824 km (0.104 R)
• M4: 1,690,007 km (0.062 R)
• M5: 2,347,041 km (0.081 R)
• M6: 2,919,552 km (0.061 R)
• M7: 3,682,501 km (0.116 R)
• M8: 13,882,084 km (0.106 R)
• M9: 17,596,001 km (0.09 R)
• M10: 19,774,744 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 14.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.86 AU - 5.86 AU

Year: 6812 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,975,515 km

• M1: 185,501 km (0.044 R)
• M2: 762,351 km (0.063 R)
• M3: 1,935,946 km (0.108 R)
• M4: 2,581,610 km (0.111 R)
• M5: 4,364,069 km (0.115 R)
• M6: 6,313,928 km (0.108 R)
• M7: 8,339,184 km (0.114 R)
• M8: 10,815,776 km (0.091 R)
• M9: 13,134,992 km (0.079 R)
• M10: 15,276,635 km (0.108 R)
• M11: 16,462,946 km (0.035 R)
• M12: 16,980,406 km (0.12 R)
• M13: 19,877,667 km (0.108 R)
• M14: 20,464,839 km (0.107 R)
• M15: 23,170,915 km (0.107 R)
• M16: 24,484,235 km (0.112 R)
• M17: 26,723,416 km (0.085 R)
• M18: 28,167,484 km (0.08 R)
• M19: 32,305,959 km (0.101 R)
• M20: 33,220,900 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.2

Radius: 7.9

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.62 AU - 7.3 AU

Year: 11675 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,975,515 km

• M1: 106,364 km (0.064 R)
• M2: 441,613 km (0.044 R)
• M3: 1,251,237 km (0.11 R)
• M4: 2,599,562 km (0.115 R)
• M5: 3,989,775 km (0.073 R)
• M6: 4,346,716 km (0.101 R)
• M7: 7,930,333 km (0.112 R)
• M8: 9,706,957 km (0.112 R)
• M9: 10,870,978 km (0.029 R)
• M10: 11,513,950 km (0.046 R)
• M11: 12,699,812 km (0.082 R)
• M12: 13,232,231 km (0.056 R)
• M13: 13,965,111 km (0.081 R)
• M14: 14,660,442 km (0.039 R)
• M15: 16,744,190 km (0.103 R)
• M16: 18,114,657 km (0.114 R)
• M17: 18,412,506 km (0.07 R)
• M18: 24,710,726 km (0.093 R)
• M19: 29,761,599 km (0.118 R)
• M20: 37,110,295 km (0.113 R)
• M21: 45,995,361 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.4

Radius: 4.8

Gravity: 28.23 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.16 AU - 9.24 AU

Year: 14930 Days

Day: 18.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 40,975,515 km

• M1: 59,690 km (0.032 R)
• M2: 210,933 km (0.101 R)
• M3: 394,938 km (0.103 R)
• M4: 551,567 km (0.111 R)
• M5: 741,557 km (0.088 R)
• M6: 1,178,083 km (0.074 R)
• M7: 1,821,354 km (0.117 R)
• M8: 2,433,808 km (0.078 R)
• M9: 2,584,303 km (0.095 R)
• M10: 2,928,229 km (0.085 R)
• M11: 3,148,736 km (0.113 R)
• M12: 4,113,792 km (0.109 R)
• M13: 4,713,081 km (0.115 R)
• M14: 5,550,829 km (0.103 R)
• M15: 5,966,412 km (0.096 R)
• M16: 10,067,189 km (0.062 R)
• M17: 11,089,840 km (0.098 R)
• M18: 14,360,797 km (0.114 R)
• M19: 16,101,219 km (0.115 R)
• M20: 16,404,454 km (0.088 R)
• M21: 18,884,188 km (0.072 R)
• M22: 22,251,038 km (0.11 R)
• M23: 23,488,960 km (0.065 R)
• M24: 23,683,437 km (0.077 R)
• M25: 25,379,728 km (0.086 R)
• M26: 26,414,496 km (0.064 R)
• M27: 28,018,784 km (0.088 R)
• M28: 30,028,481 km (0.118 R)
• M29: 31,420,340 km (0.046 R)
• M30: 31,774,887 km (0.081 R)
• M31: 33,958,717 km (0.091 R)
• M32: 37,023,079 km (0.075 R)
• M33: 37,551,160 km (0.056 R)
• M34: 42,387,659 km (0.1 R)
• M35: 43,548,539 km (0.112 R)
• M36: 48,877,364 km (0.079 R)
• M37: 51,944,420 km (0.059 R)
• M38: 54,966,147 km (0.106 R)
• M39: 58,102,915 km (0.117 R)
• M40: 59,715,132 km (0.057 R)

Asteroid Belt

Center: 8.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.7

Radius: 5.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.3 AU - 12.06 AU

Year: 19149 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,975,515 km

• M1: 72,106 km (0.073 R)
• M2: 280,197 km (0.106 R)
• M3: 478,713 km (0.108 R)
• M4: 1,019,061 km (0.078 R)
• M5: 1,651,560 km (0.087 R)
• M6: 1,996,533 km (0.113 R)
• M7: 2,650,874 km (0.077 R)
• M8: 4,001,743 km (0.107 R)
• M9: 4,681,067 km (0.11 R)
• M10: 12,046,817 km (0.075 R)
• M11: 12,707,890 km (0.11 R)
• M12: 20,239,096 km (0.119 R)
• M13: 21,093,300 km (0.094 R)
• M14: 23,123,642 km (0.1 R)
• M15: 25,015,008 km (0.088 R)
• M16: 25,280,694 km (0.066 R)
• M17: 27,662,591 km (0.096 R)
• M18: 34,372,205 km (0.117 R)
• M19: 36,601,213 km (0.04 R)
• M20: 40,608,492 km (0.119 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: 338 - 19,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit