🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.9

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.5 AU - 0.52 AU

Year: 256 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,750,182 km

• M1: 175,329 km (0.114 R)
• M2: 637,137 km (0.112 R)
• M3: 1,095,356 km (0.118 R)
• M4: 1,534,425 km (0.089 R)
• M5: 2,032,736 km (0.091 R)
• M6: 2,495,292 km (0.109 R)
• M7: 2,992,705 km (0.071 R)
• M8: 3,476,056 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 14.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.62 AU - 0.94 AU

Year: 484 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,750,182 km

• M1: 176,525 km (0.062 R)
• M2: 1,092,663 km (0.071 R)
• M3: 1,611,169 km (0.097 R)
• M4: 2,437,847 km (0.053 R)
• M5: 3,381,809 km (0.06 R)
• M6: 4,081,479 km (0.083 R)
• M7: 5,025,740 km (0.102 R)

Asteroid Belt

Center: 1.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 11.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.73 AU - 1.81 AU

Year: 1655 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,750,182 km

• M1: 145,559 km (0.066 R)
• M2: 549,174 km (0.081 R)
• M3: 952,639 km (0.107 R)
• M4: 1,439,132 km (0.112 R)
• M5: 1,957,339 km (0.028 R)
• M6: 2,634,867 km (0.098 R)
• M7: 3,160,105 km (0.071 R)
• M8: 3,818,037 km (0.115 R)
• M9: 4,511,273 km (0.1 R)
• M10: 5,266,743 km (0.082 R)
• M11: 5,801,854 km (0.108 R)
• M12: 6,463,974 km (0.055 R)
• M13: 7,887,099 km (0.067 R)
• M14: 9,809,880 km (0.107 R)
• M15: 11,143,246 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 11.9

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.74 AU - 2.22 AU

Year: 1958 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,750,182 km

• M1: 152,440 km (0.092 R)
• M2: 562,488 km (0.045 R)
• M3: 1,180,776 km (0.087 R)
• M4: 1,594,265 km (0.114 R)
• M5: 2,001,919 km (0.105 R)
• M6: 2,388,629 km (0.085 R)
• M7: 2,825,455 km (0.063 R)
• M8: 3,616,379 km (0.102 R)
• M9: 5,116,247 km (0.102 R)
• M10: 5,520,161 km (0.081 R)
• M11: 6,598,164 km (0.111 R)
• M12: 7,298,282 km (0.114 R)
• M13: 8,878,783 km (0.118 R)
• M14: 9,431,099 km (0.113 R)
• M15: 10,748,757 km (0.111 R)
• M16: 11,152,222 km (0.084 R)
• M17: 13,661,427 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 12.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.29 AU - 4.35 AU

Year: 5248 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,750,182 km

• M1: 159,322 km (0.063 R)
• M2: 750,233 km (0.098 R)
• M3: 1,397,843 km (0.101 R)
• M4: 1,856,809 km (0.119 R)
• M5: 2,367,685 km (0.067 R)
• M6: 2,839,517 km (0.114 R)
• M7: 3,744,734 km (0.115 R)
• M8: 4,833,806 km (0.072 R)
• M9: 5,250,137 km (0.103 R)
• M10: 5,690,404 km (0.109 R)
• M11: 7,021,974 km (0.045 R)
• M12: 8,393,189 km (0.072 R)
• M13: 10,248,053 km (0.105 R)
• M14: 12,260,443 km (0.11 R)
• M15: 12,671,688 km (0.091 R)
• M16: 13,198,871 km (0.101 R)
• M17: 13,631,059 km (0.076 R)
• M18: 17,053,559 km (0.111 R)
• M19: 17,696,680 km (0.068 R)
• M20: 18,422,828 km (0.083 R)
• M21: 19,934,365 km (0.093 R)
• M22: 23,203,527 km (0.118 R)
• M23: 24,395,224 km (0.081 R)
• M24: 28,483,435 km (0.117 R)
• M25: 30,973,192 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 12

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.27 AU - 6.07 AU

Year: 8263 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,750,182 km

• M1: 150,346 km (0.091 R)
• M2: 565,181 km (0.089 R)
• M3: 1,427,912 km (0.083 R)
• M4: 1,803,851 km (0.116 R)
• M5: 2,246,960 km (0.06 R)
• M6: 2,722,083 km (0.037 R)
• M7: 3,748,623 km (0.073 R)
• M8: 5,302,497 km (0.066 R)
• M9: 6,010,394 km (0.068 R)
• M10: 6,405,781 km (0.11 R)
• M11: 7,129,984 km (0.114 R)
• M12: 8,121,818 km (0.11 R)
• M13: 9,633,056 km (0.086 R)
• M14: 11,109,287 km (0.107 R)
• M15: 12,268,821 km (0.043 R)
• M16: 15,822,069 km (0.117 R)
• M17: 20,409,039 km (0.112 R)
• M18: 23,620,307 km (0.087 R)
• M19: 24,883,811 km (0.11 R)
• M20: 26,002,354 km (0.09 R)
• M21: 26,766,350 km (0.116 R)
• M22: 28,843,367 km (0.118 R)
• M23: 33,093,143 km (0.118 R)
• M24: 39,971,055 km (0.044 R)
• M25: 42,416,232 km (0.091 R)
• M26: 46,477,814 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.2

Radius: 3.1

Gravity: 55.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.65 AU - 11.03 AU

Year: 23372 Days

Day: 16.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,750,182 km

• M1: 39,494 km (0.098 R)
• M2: 153,637 km (0.098 R)
• M3: 327,919 km (0.098 R)
• M4: 455,077 km (0.115 R)
• M5: 810,820 km (0.113 R)
• M6: 1,875,658 km (0.075 R)
• M7: 2,376,063 km (0.11 R)
• M8: 2,681,691 km (0.12 R)
• M9: 4,473,276 km (0.058 R)
• M10: 6,088,783 km (0.076 R)
• M11: 7,852,093 km (0.082 R)
• M12: 8,740,704 km (0.112 R)
• M13: 9,810,928 km (0.114 R)
• M14: 10,166,222 km (0.109 R)
• M15: 10,715,247 km (0.075 R)
• M16: 11,219,541 km (0.082 R)
• M17: 12,687,844 km (0.09 R)
• M18: 15,516,890 km (0.103 R)
• M19: 17,418,578 km (0.078 R)
• M20: 18,026,843 km (0.119 R)
• M21: 20,794,553 km (0.056 R)
• M22: 21,281,793 km (0.082 R)
• M23: 22,995,287 km (0.105 R)
• M24: 27,734,996 km (0.1 R)
• M25: 29,286,626 km (0.116 R)
• M26: 34,966,408 km (0.118 R)
• M27: 36,072,235 km (0.102 R)
• M28: 42,886,269 km (0.077 R)
• M29: 43,992,994 km (0.073 R)
• M30: 47,092,662 km (0.094 R)
• M31: 48,270,296 km (0.043 R)
• M32: 56,879,354 km (0.083 R)
• M33: 60,749,152 km (0.072 R)
• M34: 67,937,031 km (0.078 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: 310 - 18,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit