🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 8.9

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,837,009 km

• M1: 110,702 km (0.11 R)
• M2: 407,355 km (0.068 R)
• M3: 690,993 km (0.114 R)
• M4: 1,043,595 km (0.104 R)
• M5: 1,969,007 km (0.102 R)
• M6: 2,275,982 km (0.074 R)
• M7: 2,901,002 km (0.053 R)
• M8: 3,692,075 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.9

Radius: 14.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,837,009 km

• M1: 180,415 km (0.08 R)
• M2: 666,010 km (0.092 R)
• M3: 1,153,549 km (0.079 R)
• M4: 1,612,067 km (0.117 R)
• M5: 2,108,432 km (0.04 R)
• M6: 2,661,645 km (0.1 R)
• M7: 3,163,097 km (0.036 R)
• M8: 3,635,079 km (0.118 R)
• M9: 4,294,955 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.78 AU - 0.98 AU

Year: 560 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,837,009 km

• M1: 111,899 km (0.056 R)
• M2: 395,088 km (0.076 R)
• M3: 967,150 km (0.11 R)
• M4: 3,110,738 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 14.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.95 AU - 0.95 AU

Year: 628 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,837,009 km

• M1: 177,872 km (0.108 R)
• M2: 648,656 km (0.078 R)
• M3: 1,146,219 km (0.025 R)
• M4: 1,591,572 km (0.066 R)
• M5: 2,397,904 km (0.06 R)
• M6: 2,906,836 km (0.086 R)
• M7: 3,698,957 km (0.105 R)
• M8: 4,327,717 km (0.1 R)
• M9: 5,153,347 km (0.089 R)
• M10: 5,749,196 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.5

Radius: 9.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.93 AU - 1.17 AU

Year: 730 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,837,009 km

• M1: 121,773 km (0.109 R)
• M2: 429,196 km (0.106 R)
• M3: 723,605 km (0.09 R)
• M4: 1,120,638 km (0.108 R)
• M5: 1,607,579 km (0.111 R)
• M6: 1,992,195 km (0.096 R)
• M7: 2,397,455 km (0.109 R)
• M8: 2,902,947 km (0.094 R)
• M9: 3,212,315 km (0.056 R)
• M10: 4,662,068 km (0.09 R)
• M11: 5,813,523 km (0.073 R)
• M12: 6,269,048 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.3

Radius: 9

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.51 AU - 1.85 AU

Year: 1477 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,837,009 km

• M1: 113,246 km (0.085 R)
• M2: 503,098 km (0.096 R)
• M3: 792,270 km (0.068 R)
• M4: 1,491,640 km (0.106 R)
• M5: 2,107,834 km (0.114 R)
• M6: 2,697,250 km (0.072 R)
• M7: 3,009,909 km (0.071 R)
• M8: 4,346,267 km (0.09 R)
• M9: 4,856,246 km (0.097 R)
• M10: 5,972,994 km (0.118 R)
• M11: 6,700,788 km (0.094 R)
• M12: 7,329,996 km (0.103 R)
• M13: 7,997,951 km (0.11 R)
• M14: 9,547,635 km (0.099 R)
• M15: 10,809,194 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 10.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.35 AU - 2.09 AU

Year: 1530 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,837,009 km

• M1: 131,796 km (0.076 R)
• M2: 474,824 km (0.091 R)
• M3: 811,419 km (0.076 R)
• M4: 1,235,230 km (0.068 R)
• M5: 1,686,118 km (0.047 R)
• M6: 2,276,580 km (0.081 R)
• M7: 2,649,677 km (0.084 R)
• M8: 3,051,049 km (0.064 R)
• M9: 3,620,717 km (0.073 R)
• M10: 3,992,618 km (0.1 R)
• M11: 4,341,031 km (0.066 R)
• M12: 4,937,478 km (0.042 R)
• M13: 6,086,539 km (0.088 R)
• M14: 6,923,689 km (0.102 R)
• M15: 8,132,290 km (0.044 R)
• M16: 8,879,382 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 12.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.3 AU - 3.68 AU

Year: 3507 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,837,009 km

• M1: 155,731 km (0.032 R)
• M2: 583,132 km (0.03 R)
• M3: 1,107,024 km (0.089 R)
• M4: 1,542,055 km (0.065 R)
• M5: 2,004,761 km (0.083 R)
• M6: 2,835,777 km (0.031 R)
• M7: 3,904,504 km (0.116 R)
• M8: 5,200,770 km (0.083 R)
• M9: 6,452,605 km (0.102 R)
• M10: 8,694,030 km (0.09 R)
• M11: 10,725,270 km (0.075 R)
• M12: 12,129,096 km (0.098 R)
• M13: 14,654,458 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 10

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.8 AU - 3.82 AU

Year: 4084 Days

Day: 7.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,837,009 km

• M1: 124,615 km (0.112 R)
• M2: 1,216,979 km (0.077 R)
• M3: 2,295,579 km (0.087 R)
• M4: 2,710,115 km (0.096 R)
• M5: 3,246,723 km (0.082 R)
• M6: 3,564,319 km (0.086 R)
• M7: 4,892,598 km (0.085 R)
• M8: 6,477,887 km (0.089 R)
• M9: 8,049,263 km (0.062 R)
• M10: 10,629,677 km (0.114 R)
• M11: 11,300,773 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.8

Radius: 6.6

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.24 AU - 7.94 AU

Year: 11474 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 159.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,837,009 km

• M1: 82,129 km (0.035 R)
• M2: 382,073 km (0.085 R)
• M3: 597,494 km (0.06 R)
• M4: 976,874 km (0.089 R)
• M5: 1,320,800 km (0.113 R)
• M6: 1,607,728 km (0.103 R)
• M7: 1,919,341 km (0.12 R)
• M8: 2,289,296 km (0.098 R)
• M9: 2,684,983 km (0.118 R)
• M10: 2,921,497 km (0.029 R)
• M11: 4,496,164 km (0.081 R)
• M12: 5,149,458 km (0.069 R)
• M13: 5,864,386 km (0.06 R)
• M14: 6,190,210 km (0.03 R)
• M15: 6,451,857 km (0.097 R)
• M16: 7,700,999 km (0.077 R)
• M17: 9,151,650 km (0.051 R)
• M18: 14,063,845 km (0.107 R)
• M19: 16,144,453 km (0.07 R)
• M20: 19,999,739 km (0.104 R)
• M21: 23,242,273 km (0.028 R)
• M22: 26,621,988 km (0.097 R)
• M23: 27,415,156 km (0.078 R)
• M24: 30,422,672 km (0.12 R)
• M25: 32,733,061 km (0.059 R)
• M26: 34,220,363 km (0.117 R)
• M27: 37,699,711 km (0.104 R)
• M28: 43,417,790 km (0.069 R)
• M29: 44,515,988 km (0.113 R)
• M30: 44,793,492 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 14,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit