🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 14.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.84 AU - 0.88 AU

Year: 561 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,448,914 km

• M1: 182,210 km (0.036 R)
• M2: 693,237 km (0.113 R)
• M3: 1,248,394 km (0.088 R)
• M4: 1,905,129 km (0.095 R)
• M5: 2,379,504 km (0.116 R)
• M6: 2,881,405 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 8.9

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.1 AU - 1.1 AU

Year: 811 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,448,914 km

• M1: 110,702 km (0.116 R)
• M2: 415,134 km (0.05 R)
• M3: 782,397 km (0.1 R)
• M4: 1,286,990 km (0.041 R)
• M5: 1,919,939 km (0.107 R)
• M6: 2,196,695 km (0.115 R)
• M7: 2,477,939 km (0.036 R)
• M8: 3,087,401 km (0.106 R)
• M9: 5,104,728 km (0.114 R)
• M10: 5,822,648 km (0.116 R)
• M11: 6,323,352 km (0.112 R)
• M12: 6,829,891 km (0.117 R)
• M13: 7,363,058 km (0.067 R)
• M14: 8,100,126 km (0.07 R)
• M15: 8,382,417 km (0.117 R)
• M16: 8,671,141 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 13.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.98 AU - 1.4 AU

Year: 912 Days

Day: 7.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,448,914 km

• M1: 171,140 km (0.105 R)
• M2: 935,585 km (0.108 R)
• M3: 1,648,868 km (0.105 R)
• M4: 2,324,452 km (0.068 R)
• M5: 3,179,553 km (0.085 R)
• M6: 3,667,541 km (0.072 R)
• M7: 4,117,233 km (0.076 R)
• M8: 4,780,101 km (0.095 R)
• M9: 5,231,886 km (0.119 R)
• M10: 6,579,015 km (0.105 R)
• M11: 7,399,410 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 10.2

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.47 AU - 2.09 AU

Year: 1669 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,448,914 km

• M1: 127,158 km (0.116 R)
• M2: 718,369 km (0.049 R)
• M3: 1,057,059 km (0.084 R)
• M4: 1,841,251 km (0.062 R)
• M5: 2,192,656 km (0.067 R)
• M6: 3,003,925 km (0.079 R)
• M7: 4,561,538 km (0.104 R)
• M8: 5,582,993 km (0.076 R)
• M9: 6,352,524 km (0.119 R)
• M10: 6,674,459 km (0.115 R)
• M11: 7,244,277 km (0.099 R)
• M12: 7,874,234 km (0.101 R)
• M13: 11,550,152 km (0.11 R)
• M14: 12,525,680 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 13.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.4 AU - 2.34 AU

Year: 1798 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,448,914 km

• M1: 170,392 km (0.113 R)
• M2: 720,613 km (0.087 R)
• M3: 1,207,554 km (0.105 R)
• M4: 2,103,196 km (0.116 R)
• M5: 3,178,356 km (0.025 R)
• M6: 3,627,300 km (0.115 R)
• M7: 4,080,731 km (0.091 R)
• M8: 6,290,441 km (0.11 R)
• M9: 6,922,193 km (0.117 R)
• M10: 8,815,952 km (0.08 R)
• M11: 9,848,327 km (0.104 R)
• M12: 10,304,750 km (0.089 R)
• M13: 11,604,008 km (0.086 R)
• M14: 12,638,028 km (0.056 R)
• M15: 13,262,001 km (0.106 R)
• M16: 14,436,943 km (0.102 R)
• M17: 16,352,394 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 13.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.27 AU - 3.47 AU

Year: 3418 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,448,914 km

• M1: 172,935 km (0.1 R)
• M2: 634,445 km (0.059 R)
• M3: 1,291,179 km (0.095 R)
• M4: 2,217,190 km (0.063 R)
• M5: 2,674,810 km (0.034 R)
• M6: 3,325,710 km (0.108 R)
• M7: 3,849,303 km (0.097 R)
• M8: 5,633,557 km (0.086 R)
• M9: 7,246,371 km (0.11 R)
• M10: 8,214,419 km (0.054 R)
• M11: 10,090,526 km (0.08 R)
• M12: 10,797,226 km (0.066 R)
• M13: 11,331,740 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.4

Radius: 5.2

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.48 AU - 10.44 AU

Year: 17297 Days

Day: 15.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,448,914 km

• M1: 65,673 km (0.059 R)
• M2: 227,838 km (0.084 R)
• M3: 854,952 km (0.086 R)
• M4: 1,035,816 km (0.11 R)
• M5: 1,201,720 km (0.069 R)
• M6: 1,460,973 km (0.115 R)
• M7: 3,871,892 km (0.09 R)
• M8: 6,096,861 km (0.118 R)
• M9: 6,643,641 km (0.083 R)
• M10: 9,990,445 km (0.109 R)
• M11: 11,050,944 km (0.095 R)
• M12: 12,578,937 km (0.052 R)
• M13: 13,324,234 km (0.075 R)
• M14: 13,602,336 km (0.113 R)
• M15: 15,505,819 km (0.104 R)
• M16: 19,651,924 km (0.109 R)
• M17: 21,026,430 km (0.101 R)
• M18: 23,357,164 km (0.074 R)
• M19: 23,863,404 km (0.108 R)
• M20: 24,170,827 km (0.12 R)
• M21: 30,282,798 km (0.105 R)
• M22: 30,884,780 km (0.099 R)
• M23: 33,244,985 km (0.101 R)
• M24: 35,589,333 km (0.043 R)
• M25: 39,166,817 km (0.084 R)
• M26: 43,889,771 km (0.075 R)
• M27: 46,228,734 km (0.059 R)
• M28: 47,348,025 km (0.115 R)
• M29: 49,143,499 km (0.097 R)
• M30: 49,974,365 km (0.066 R)
• M31: 50,477,314 km (0.101 R)
• M32: 54,093,393 km (0.115 R)
• M33: 56,779,423 km (0.098 R)
• M34: 57,878,219 km (0.093 R)
• M35: 63,782,249 km (0.059 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 18,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit