🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 9.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.72 AU - 1.02 AU

Year: 541 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,766,909 km

• M1: 115,789 km (0.047 R)
• M2: 408,103 km (0.096 R)
• M3: 718,219 km (0.103 R)
• M4: 1,154,746 km (0.088 R)
• M5: 1,525,749 km (0.088 R)
• M6: 1,832,275 km (0.111 R)
• M7: 2,127,731 km (0.117 R)
• M8: 2,582,059 km (0.077 R)
• M9: 2,901,899 km (0.116 R)
• M10: 3,260,037 km (0.086 R)
• M11: 3,905,402 km (0.095 R)
• M12: 4,559,743 km (0.089 R)
• M13: 4,859,537 km (0.116 R)
• M14: 5,156,639 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 13.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.95 AU - 1.15 AU

Year: 717 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,766,909 km

• M1: 171,589 km (0.034 R)
• M2: 614,997 km (0.115 R)
• M3: 1,076,506 km (0.111 R)
• M4: 2,016,430 km (0.118 R)
• M5: 2,463,578 km (0.108 R)
• M6: 3,079,921 km (0.053 R)
• M7: 4,519,352 km (0.109 R)
• M8: 4,985,349 km (0.077 R)
• M9: 5,798,264 km (0.058 R)
• M10: 6,350,130 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 14

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.84 AU - 1.38 AU

Year: 780 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,766,909 km

• M1: 174,431 km (0.109 R)
• M2: 747,241 km (0.028 R)
• M3: 1,398,142 km (0.116 R)
• M4: 1,859,651 km (0.114 R)
• M5: 2,867,342 km (0.082 R)
• M6: 3,353,386 km (0.079 R)
• M7: 4,385,462 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 9.3

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.18 AU - 5.46 AU

Year: 8183 Days

Day: 14.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,766,909 km

• M1: 115,639 km (0.11 R)
• M2: 411,544 km (0.06 R)
• M3: 756,516 km (0.104 R)
• M4: 1,243,158 km (0.098 R)
• M5: 1,694,645 km (0.118 R)
• M6: 2,322,058 km (0.114 R)
• M7: 3,521,384 km (0.115 R)
• M8: 4,138,326 km (0.103 R)
• M9: 4,654,289 km (0.084 R)
• M10: 9,135,493 km (0.095 R)
• M11: 10,493,393 km (0.053 R)
• M12: 12,470,179 km (0.102 R)
• M13: 13,780,507 km (0.08 R)
• M14: 16,208,780 km (0.111 R)
• M15: 16,807,321 km (0.067 R)
• M16: 19,947,230 km (0.111 R)
• M17: 21,416,581 km (0.119 R)
• M18: 22,956,840 km (0.104 R)
• M19: 23,796,533 km (0.107 R)
• M20: 27,830,141 km (0.072 R)
• M21: 28,209,371 km (0.042 R)
• M22: 30,356,998 km (0.099 R)
• M23: 35,862,200 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.6

Radius: 6.9

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.76 AU - 7.44 AU

Year: 10047 Days

Day: 17.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,766,909 km

• M1: 87,515 km (0.088 R)
• M2: 345,421 km (0.068 R)
• M3: 587,471 km (0.111 R)
• M4: 870,061 km (0.083 R)
• M5: 1,242,710 km (0.112 R)
• M6: 1,459,776 km (0.119 R)
• M7: 1,779,167 km (0.117 R)
• M8: 2,057,120 km (0.086 R)
• M9: 2,326,396 km (0.117 R)
• M10: 2,980,588 km (0.028 R)
• M11: 3,882,663 km (0.107 R)
• M12: 4,528,328 km (0.106 R)
• M13: 6,139,197 km (0.081 R)
• M14: 6,934,460 km (0.108 R)
• M15: 8,187,043 km (0.078 R)
• M16: 8,545,030 km (0.104 R)
• M17: 9,292,272 km (0.066 R)
• M18: 10,235,486 km (0.076 R)
• M19: 14,327,437 km (0.076 R)
• M20: 18,011,135 km (0.069 R)
• M21: 20,110,292 km (0.12 R)
• M22: 20,516,151 km (0.114 R)
• M23: 22,540,958 km (0.099 R)
• M24: 23,155,656 km (0.118 R)
• M25: 24,235,603 km (0.081 R)
• M26: 25,537,254 km (0.086 R)
• M27: 29,931,542 km (0.103 R)
• M28: 35,271,887 km (0.097 R)
• M29: 38,913,398 km (0.078 R)
• M30: 41,606,459 km (0.081 R)
• M31: 43,875,559 km (0.073 R)
• M32: 45,109,592 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 3.9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.78 AU - 8.88 AU

Year: 16032 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,766,909 km

• M1: 54,753 km (0.096 R)
• M2: 177,573 km (0.11 R)
• M3: 438,771 km (0.119 R)
• M4: 1,340,995 km (0.119 R)
• M5: 1,558,810 km (0.097 R)
• M6: 1,799,812 km (0.108 R)
• M7: 2,065,348 km (0.06 R)
• M8: 2,693,510 km (0.105 R)
• M9: 3,676,667 km (0.113 R)
• M10: 4,182,308 km (0.114 R)
• M11: 4,479,409 km (0.082 R)
• M12: 4,618,984 km (0.027 R)
• M13: 4,848,467 km (0.113 R)
• M14: 5,614,707 km (0.092 R)
• M15: 5,744,409 km (0.036 R)
• M16: 6,891,974 km (0.103 R)
• M17: 8,953,133 km (0.102 R)
• M18: 10,932,463 km (0.096 R)
• M19: 12,239,350 km (0.116 R)
• M20: 13,822,694 km (0.084 R)
• M21: 19,161,991 km (0.116 R)
• M22: 19,753,800 km (0.069 R)
• M23: 19,978,796 km (0.032 R)
• M24: 20,434,022 km (0.034 R)
• M25: 22,001,508 km (0.103 R)
• M26: 24,071,345 km (0.102 R)
• M27: 27,553,385 km (0.1 R)
• M28: 28,784,725 km (0.109 R)
• M29: 30,549,680 km (0.087 R)
• M30: 34,401,526 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.7

Radius: 8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.41 AU - 11.79 AU

Year: 19835 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,766,909 km

• M1: 99,632 km (0.112 R)
• M2: 474,524 km (0.089 R)
• M3: 1,060,350 km (0.119 R)
• M4: 1,474,586 km (0.082 R)
• M5: 1,791,883 km (0.066 R)
• M6: 2,286,304 km (0.101 R)
• M7: 3,194,962 km (0.038 R)
• M8: 9,145,217 km (0.109 R)
• M9: 12,205,391 km (0.111 R)
• M10: 13,574,511 km (0.069 R)
• M11: 16,987,137 km (0.07 R)
• M12: 17,670,650 km (0.09 R)
• M13: 18,530,838 km (0.073 R)
• M14: 21,629,309 km (0.115 R)
• M15: 22,341,993 km (0.114 R)
• M16: 27,984,376 km (0.081 R)
• M17: 38,508,586 km (0.104 R)
• M18: 41,159,610 km (0.113 R)
• M19: 41,431,280 km (0.102 R)
• M20: 45,360,618 km (0.117 R)
• M21: 52,822,410 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 17,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit