🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 10.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.66 AU - 1.1 AU

Year: 525 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,660,339 km

• M1: 134,339 km (0.092 R)
• M2: 512,373 km (0.1 R)
• M3: 1,027,139 km (0.067 R)
• M4: 1,403,976 km (0.082 R)
• M5: 1,821,354 km (0.055 R)
• M6: 3,293,547 km (0.064 R)
• M7: 3,709,279 km (0.052 R)
• M8: 4,942,115 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102

Radius: 11

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.78 AU - 2.98 AU

Year: 3108 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,660,339 km

• M1: 138,079 km (0.093 R)
• M2: 483,351 km (0.09 R)
• M3: 966,103 km (0.095 R)
• M4: 1,991,297 km (0.115 R)
• M5: 2,587,894 km (0.073 R)
• M6: 2,949,172 km (0.11 R)
• M7: 4,190,386 km (0.071 R)
• M8: 5,293,969 km (0.088 R)
• M9: 5,881,141 km (0.11 R)
• M10: 6,964,230 km (0.036 R)
• M11: 7,696,062 km (0.084 R)
• M12: 8,284,880 km (0.078 R)
• M13: 10,360,101 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.89 AU - 3.67 AU

Year: 3777 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,660,339 km

• M1: 172,935 km (0.11 R)
• M2: 724,353 km (0.115 R)
• M3: 1,319,902 km (0.062 R)
• M4: 1,980,676 km (0.075 R)
• M5: 3,107,896 km (0.11 R)
• M6: 3,824,170 km (0.026 R)
• M7: 5,300,851 km (0.111 R)
• M8: 5,861,095 km (0.119 R)
• M9: 6,300,464 km (0.112 R)
• M10: 7,875,879 km (0.094 R)
• M11: 10,961,036 km (0.107 R)
• M12: 13,851,416 km (0.117 R)
• M13: 14,588,036 km (0.06 R)
• M14: 18,450,205 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.9

Radius: 14.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.75 AU - 5.59 AU

Year: 7474 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,660,339 km

• M1: 185,352 km (0.116 R)
• M2: 771,476 km (0.115 R)
• M3: 1,262,307 km (0.104 R)
• M4: 1,942,229 km (0.081 R)
• M5: 2,805,259 km (0.098 R)
• M6: 5,470,495 km (0.11 R)
• M7: 6,179,140 km (0.11 R)
• M8: 8,319,437 km (0.07 R)
• M9: 8,800,992 km (0.075 R)
• M10: 9,864,334 km (0.036 R)
• M11: 11,791,903 km (0.116 R)
• M12: 12,452,527 km (0.088 R)
• M13: 14,071,774 km (0.076 R)
• M14: 16,569,311 km (0.039 R)
• M15: 18,122,585 km (0.099 R)
• M16: 20,559,086 km (0.055 R)
• M17: 21,667,456 km (0.04 R)
• M18: 28,262,628 km (0.085 R)
• M19: 33,201,303 km (0.061 R)
• M20: 34,315,358 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.2

Radius: 9.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.19 AU - 6.35 AU

Year: 7692 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,660,339 km

• M1: 115,789 km (0.098 R)
• M2: 454,927 km (0.108 R)
• M3: 768,933 km (0.118 R)
• M4: 1,400,236 km (0.08 R)
• M5: 1,865,037 km (0.097 R)
• M6: 2,753,648 km (0.081 R)
• M7: 4,022,088 km (0.08 R)
• M8: 4,938,375 km (0.051 R)
• M9: 5,460,921 km (0.085 R)
• M10: 7,107,245 km (0.091 R)
• M11: 7,472,713 km (0.1 R)
• M12: 8,122,566 km (0.093 R)
• M13: 8,644,663 km (0.05 R)
• M14: 9,061,293 km (0.12 R)
• M15: 10,299,514 km (0.099 R)
• M16: 10,626,086 km (0.08 R)
• M17: 12,732,424 km (0.109 R)
• M18: 13,272,323 km (0.113 R)
• M19: 13,771,232 km (0.1 R)
• M20: 15,403,644 km (0.119 R)
• M21: 18,909,171 km (0.064 R)
• M22: 19,683,340 km (0.111 R)
• M23: 21,370,205 km (0.111 R)
• M24: 23,955,705 km (0.098 R)
• M25: 28,900,813 km (0.098 R)
• M26: 32,252,254 km (0.078 R)
• M27: 32,551,001 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 13.2

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.11 AU - 6.77 AU

Year: 8067 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,660,339 km

• M1: 171,439 km (0.025 R)
• M2: 621,878 km (0.063 R)
• M3: 1,767,050 km (0.061 R)
• M4: 2,267,754 km (0.085 R)
• M5: 3,032,648 km (0.069 R)
• M6: 3,455,112 km (0.106 R)
• M7: 4,994,624 km (0.108 R)
• M8: 5,677,090 km (0.11 R)
• M9: 6,550,891 km (0.056 R)
• M10: 7,620,964 km (0.084 R)
• M11: 9,128,911 km (0.075 R)
• M12: 10,689,665 km (0.109 R)
• M13: 11,437,954 km (0.07 R)
• M14: 12,934,830 km (0.085 R)
• M15: 15,655,118 km (0.057 R)
• M16: 17,561,294 km (0.118 R)
• M17: 18,937,594 km (0.05 R)
• M18: 20,314,044 km (0.072 R)
• M19: 22,276,769 km (0.105 R)
• M20: 23,265,610 km (0.108 R)
• M21: 23,967,224 km (0.064 R)
• M22: 25,167,897 km (0.105 R)
• M23: 25,907,210 km (0.075 R)
• M24: 26,408,213 km (0.089 R)
• M25: 27,602,154 km (0.085 R)
• M26: 28,565,414 km (0.094 R)
• M27: 29,641,472 km (0.052 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.3

Radius: 6.9

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.73 AU - 7.75 AU

Year: 9911 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,660,339 km

• M1: 85,869 km (0.096 R)
• M2: 375,939 km (0.101 R)
• M3: 659,876 km (0.088 R)
• M4: 1,611,917 km (0.042 R)
• M5: 3,156,964 km (0.109 R)
• M6: 4,472,976 km (0.103 R)
• M7: 5,872,764 km (0.082 R)
• M8: 10,866,640 km (0.108 R)
• M9: 12,181,007 km (0.1 R)
• M10: 15,385,991 km (0.043 R)
• M11: 15,720,941 km (0.03 R)
• M12: 16,405,650 km (0.112 R)
• M13: 17,109,957 km (0.063 R)
• M14: 21,514,717 km (0.11 R)
• M15: 23,311,537 km (0.101 R)
• M16: 23,576,026 km (0.089 R)
• M17: 24,291,403 km (0.065 R)
• M18: 25,671,743 km (0.117 R)
• M19: 25,953,884 km (0.104 R)
• M20: 26,524,450 km (0.113 R)
• M21: 31,716,993 km (0.114 R)
• M22: 45,551,504 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 13,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit