🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.46 AU - 0.62 AU

Year: 178 Days

Day: 43.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 156.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,994,652 km

• M1: 284,386 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.11 AU - 1.35 AU

Year: 613 Days

Day: 12.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.09 AU - 2.15 AU

Year: 1388 Days

Day: 31.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.73 AU - 4.35 AU

Year: 2994 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,994,652 km

• M1: 99,632 km (0.064 R)
• M2: 407,505 km (0.056 R)
• M3: 711,039 km (0.064 R)
• M4: 1,003,802 km (0.112 R)
• M5: 1,502,262 km (0.12 R)
• M6: 1,877,304 km (0.102 R)
• M7: 2,695,305 km (0.114 R)
• M8: 3,442,247 km (0.089 R)
• M9: 3,826,265 km (0.077 R)
• M10: 4,097,934 km (0.047 R)
• M11: 4,382,470 km (0.104 R)
• M12: 4,636,786 km (0.118 R)
• M13: 5,363,832 km (0.074 R)
• M14: 6,430,764 km (0.095 R)
• M15: 6,760,029 km (0.034 R)
• M16: 7,216,601 km (0.104 R)
• M17: 7,512,356 km (0.11 R)
• M18: 8,448,390 km (0.069 R)
• M19: 9,995,083 km (0.088 R)
• M20: 10,663,635 km (0.054 R)
• M21: 12,007,323 km (0.085 R)
• M22: 14,461,028 km (0.118 R)
• M23: 14,742,272 km (0.118 R)
• M24: 16,103,612 km (0.036 R)
• M25: 16,866,412 km (0.05 R)
• M26: 17,493,676 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.2

Radius: 8.6

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.38 AU - 6.72 AU

Year: 6690 Days

Day: 6.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,994,652 km

• M1: 107,112 km (0.043 R)
• M2: 414,536 km (0.092 R)
• M3: 866,172 km (0.114 R)
• M4: 1,573,620 km (0.092 R)
• M5: 1,996,982 km (0.06 R)
• M6: 2,585,799 km (0.08 R)
• M7: 3,668,439 km (0.065 R)
• M8: 4,055,748 km (0.119 R)
• M9: 4,337,740 km (0.105 R)
• M10: 4,715,474 km (0.069 R)
• M11: 5,144,671 km (0.06 R)
• M12: 5,599,598 km (0.051 R)
• M13: 6,247,656 km (0.057 R)
• M14: 9,216,874 km (0.067 R)
• M15: 9,571,272 km (0.051 R)
• M16: 11,481,188 km (0.1 R)
• M17: 12,153,181 km (0.112 R)
• M18: 12,960,711 km (0.087 R)
• M19: 14,802,709 km (0.119 R)
• M20: 15,105,495 km (0.1 R)
• M21: 17,543,641 km (0.105 R)
• M22: 17,814,713 km (0.084 R)
• M23: 18,926,823 km (0.032 R)
• M24: 25,622,525 km (0.099 R)
• M25: 35,876,113 km (0.1 R)
• M26: 36,643,400 km (0.077 R)
• M27: 36,975,507 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.4

Radius: 10.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.63 AU - 9.87 AU

Year: 10654 Days

Day: 11.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,994,652 km

• M1: 133,441 km (0.08 R)
• M2: 506,987 km (0.101 R)
• M3: 932,892 km (0.107 R)
• M4: 1,327,083 km (0.113 R)
• M5: 1,684,472 km (0.117 R)
• M6: 2,316,972 km (0.091 R)
• M7: 2,927,481 km (0.118 R)
• M8: 3,376,274 km (0.054 R)
• M9: 3,819,084 km (0.109 R)
• M10: 4,821,988 km (0.082 R)
• M11: 5,256,420 km (0.094 R)
• M12: 6,532,041 km (0.088 R)
• M13: 7,585,659 km (0.113 R)
• M14: 7,918,664 km (0.119 R)
• M15: 11,699,750 km (0.119 R)
• M16: 12,834,749 km (0.071 R)
• M17: 14,229,151 km (0.051 R)
• M18: 17,677,232 km (0.104 R)
• M19: 23,265,461 km (0.106 R)
• M20: 25,055,549 km (0.071 R)
• M21: 26,457,131 km (0.085 R)
• M22: 27,713,604 km (0.087 R)
• M23: 31,936,602 km (0.063 R)
• M24: 33,360,475 km (0.113 R)
• M25: 36,099,612 km (0.087 R)
• M26: 37,885,661 km (0.105 R)
• M27: 40,357,766 km (0.107 R)
• M28: 41,762,340 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 10.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.07 AU - 10.69 AU

Year: 11897 Days

Day: 10.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,994,652 km

• M1: 125,961 km (0.098 R)
• M2: 462,557 km (0.115 R)
• M3: 902,823 km (0.099 R)
• M4: 1,661,434 km (0.11 R)
• M5: 2,016,878 km (0.097 R)
• M6: 2,423,486 km (0.095 R)
• M7: 3,080,519 km (0.078 R)
• M8: 3,826,115 km (0.052 R)
• M9: 4,687,649 km (0.092 R)
• M10: 5,148,710 km (0.044 R)
• M11: 6,527,553 km (0.102 R)
• M12: 7,629,491 km (0.117 R)
• M13: 11,568,254 km (0.111 R)
• M14: 12,240,098 km (0.047 R)
• M15: 13,908,862 km (0.112 R)
• M16: 14,927,773 km (0.05 R)
• M17: 18,584,244 km (0.119 R)
• M18: 18,964,522 km (0.098 R)
• M19: 21,273,715 km (0.078 R)
• M20: 29,010,767 km (0.098 R)
• M21: 30,565,239 km (0.107 R)
• M22: 33,726,840 km (0.067 R)
• M23: 38,682,718 km (0.116 R)
• M24: 43,700,380 km (0.067 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: 152 - 18,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit