🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 9.4

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 449 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,532,309 km

• M1: 116,836 km (0.079 R)
• M2: 560,543 km (0.119 R)
• M3: 1,450,351 km (0.115 R)
• M4: 1,887,925 km (0.054 R)
• M5: 2,394,015 km (0.099 R)
• M6: 2,743,475 km (0.088 R)
• M7: 3,083,960 km (0.071 R)
• M8: 3,452,569 km (0.037 R)
• M9: 3,850,500 km (0.052 R)
• M10: 4,401,169 km (0.062 R)
• M11: 5,124,176 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 10.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.82 AU - 1.1 AU

Year: 638 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,532,309 km

• M1: 128,355 km (0.118 R)
• M2: 463,903 km (0.105 R)
• M3: 817,702 km (0.079 R)
• M4: 1,188,555 km (0.086 R)
• M5: 1,547,440 km (0.072 R)
• M6: 2,224,820 km (0.086 R)
• M7: 2,717,745 km (0.038 R)
• M8: 3,672,478 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.3

Radius: 12.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.98 AU - 1.04 AU

Year: 688 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,532,309 km

• M1: 154,086 km (0.106 R)
• M2: 554,111 km (0.107 R)
• M3: 959,521 km (0.108 R)
• M4: 1,389,615 km (0.104 R)
• M5: 1,958,685 km (0.118 R)
• M6: 2,587,146 km (0.087 R)
• M7: 3,028,758 km (0.117 R)
• M8: 3,661,408 km (0.062 R)
• M9: 4,322,331 km (0.065 R)
• M10: 4,868,962 km (0.118 R)
• M11: 5,478,424 km (0.032 R)
• M12: 6,439,889 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 12.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.12 AU - 1.58 AU

Year: 1064 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,532,309 km

• M1: 161,566 km (0.109 R)
• M2: 578,046 km (0.1 R)
• M3: 1,244,355 km (0.054 R)
• M4: 1,769,743 km (0.059 R)
• M5: 2,716,697 km (0.043 R)
• M6: 3,432,224 km (0.088 R)
• M7: 4,515,612 km (0.088 R)
• M8: 4,984,900 km (0.1 R)
• M9: 7,069,995 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 10.5

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.66 AU - 2.72 AU

Year: 2198 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,532,309 km

• M1: 130,599 km (0.079 R)
• M2: 503,546 km (0.038 R)
• M3: 912,547 km (0.078 R)
• M4: 1,342,940 km (0.118 R)
• M5: 1,849,628 km (0.069 R)
• M6: 2,382,346 km (0.117 R)
• M7: 2,966,526 km (0.072 R)
• M8: 3,911,087 km (0.057 R)
• M9: 4,838,444 km (0.119 R)
• M10: 5,186,109 km (0.063 R)
• M11: 6,523,514 km (0.078 R)
• M12: 6,948,971 km (0.104 R)
• M13: 7,453,415 km (0.093 R)
• M14: 8,142,463 km (0.101 R)
• M15: 8,469,483 km (0.112 R)
• M16: 11,010,553 km (0.043 R)
• M17: 13,744,155 km (0.111 R)
• M18: 14,683,779 km (0.097 R)
• M19: 15,169,374 km (0.093 R)
• M20: 16,482,245 km (0.104 R)
• M21: 17,814,713 km (0.082 R)
• M22: 18,704,371 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 13.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.83 AU - 2.61 AU

Year: 2243 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,532,309 km

• M1: 170,542 km (0.119 R)
• M2: 777,460 km (0.103 R)
• M3: 1,456,036 km (0.109 R)
• M4: 2,155,257 km (0.089 R)
• M5: 4,214,322 km (0.088 R)
• M6: 6,270,395 km (0.108 R)
• M7: 7,232,010 km (0.071 R)
• M8: 8,048,964 km (0.057 R)
• M9: 8,701,360 km (0.072 R)
• M10: 10,267,650 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 14.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.21 AU - 3.83 AU

Year: 4479 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,532,309 km

• M1: 180,415 km (0.107 R)
• M2: 1,399,189 km (0.093 R)
• M3: 2,275,982 km (0.048 R)
• M4: 2,746,916 km (0.112 R)
• M5: 3,968,981 km (0.12 R)
• M6: 5,429,056 km (0.097 R)
• M7: 6,228,059 km (0.045 R)
• M8: 7,403,898 km (0.107 R)
• M9: 10,118,501 km (0.078 R)
• M10: 13,034,014 km (0.107 R)
• M11: 14,419,888 km (0.057 R)
• M12: 15,698,801 km (0.043 R)
• M13: 16,574,995 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.8

Radius: 8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.86 AU - 7.86 AU

Year: 13543 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,532,309 km

• M1: 128,804 km (0.056 R)
• M2: 477,367 km (0.091 R)
• M3: 877,092 km (0.108 R)
• M4: 2,023,910 km (0.093 R)
• M5: 2,281,368 km (0.11 R)
• M6: 4,749,284 km (0.033 R)
• M7: 5,645,524 km (0.101 R)
• M8: 8,838,541 km (0.051 R)
• M9: 9,929,708 km (0.066 R)
• M10: 12,124,309 km (0.099 R)
• M11: 14,814,228 km (0.117 R)
• M12: 16,195,914 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.2

Radius: 6.9

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.39 AU - 12.37 AU

Year: 22682 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,532,309 km

• M1: 85,869 km (0.112 R)
• M2: 308,471 km (0.059 R)
• M3: 886,517 km (0.09 R)
• M4: 1,514,678 km (0.085 R)
• M5: 1,738,028 km (0.112 R)
• M6: 2,167,224 km (0.045 R)
• M7: 2,569,044 km (0.061 R)
• M8: 2,863,752 km (0.07 R)
• M9: 3,126,446 km (0.09 R)
• M10: 4,077,440 km (0.098 R)
• M11: 5,094,555 km (0.089 R)
• M12: 5,324,487 km (0.108 R)
• M13: 6,184,526 km (0.081 R)
• M14: 6,715,897 km (0.096 R)
• M15: 7,471,067 km (0.033 R)
• M16: 8,386,905 km (0.118 R)
• M17: 9,547,486 km (0.118 R)
• M18: 10,196,441 km (0.103 R)
• M19: 10,686,524 km (0.088 R)
• M20: 16,402,509 km (0.065 R)
• M21: 18,386,027 km (0.114 R)
• M22: 20,140,960 km (0.054 R)
• M23: 21,603,129 km (0.075 R)
• M24: 24,410,932 km (0.083 R)
• M25: 26,871,518 km (0.036 R)
• M26: 27,924,088 km (0.115 R)
• M27: 29,003,886 km (0.11 R)
• M28: 32,149,031 km (0.093 R)
• M29: 42,306,876 km (0.12 R)
• M30: 46,671,394 km (0.09 R)
• M31: 49,916,471 km (0.114 R)
• M32: 51,148,858 km (0.099 R)
• M33: 51,683,222 km (0.047 R)
• M34: 52,401,591 km (0.08 R)
• M35: 54,042,081 km (0.101 R)
• M36: 61,748,316 km (0.092 R)
• M37: 66,494,907 km (0.073 R)
• M38: 69,718,143 km (0.108 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: 386 - 12,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit