🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.46 AU - 0.7 AU

Year: 290 Days

Day: 32.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,972,874 km

• M1: 220,657 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 13.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.77 AU - 0.99 AU

Year: 542 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,972,874 km

• M1: 168,148 km (0.118 R)
• M2: 614,548 km (0.032 R)
• M3: 1,398,441 km (0.08 R)
• M4: 1,916,947 km (0.112 R)
• M5: 3,017,239 km (0.1 R)
• M6: 3,499,842 km (0.114 R)
• M7: 4,020,144 km (0.081 R)
• M8: 4,637,235 km (0.115 R)
• M9: 5,136,742 km (0.107 R)
• M10: 5,741,865 km (0.078 R)
• M11: 6,171,361 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.2

Radius: 8.4

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.67 AU - 1.11 AU

Year: 551 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,972,874 km

• M1: 104,419 km (0.083 R)
• M2: 424,559 km (0.097 R)
• M3: 889,509 km (0.113 R)
• M4: 1,293,124 km (0.102 R)
• M5: 1,581,399 km (0.095 R)
• M6: 1,888,075 km (0.119 R)
• M7: 2,271,644 km (0.073 R)
• M8: 2,675,109 km (0.11 R)
• M9: 3,000,185 km (0.059 R)
• M10: 3,412,776 km (0.087 R)
• M11: 3,889,545 km (0.109 R)
• M12: 4,151,341 km (0.085 R)
• M13: 4,439,616 km (0.098 R)
• M14: 4,928,801 km (0.113 R)
• M15: 5,555,915 km (0.089 R)
• M16: 6,253,640 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 12

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.4 AU - 1.56 AU

Year: 1181 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,972,874 km

• M1: 149,299 km (0.075 R)
• M2: 538,403 km (0.076 R)
• M3: 982,559 km (0.059 R)
• M4: 1,632,262 km (0.088 R)
• M5: 2,088,237 km (0.088 R)
• M6: 2,467,467 km (0.1 R)
• M7: 2,892,924 km (0.076 R)
• M8: 3,844,216 km (0.072 R)
• M9: 5,298,009 km (0.119 R)
• M10: 6,791,145 km (0.077 R)
• M11: 7,269,110 km (0.056 R)
• M12: 9,940,479 km (0.119 R)
• M13: 10,557,720 km (0.098 R)
• M14: 11,868,796 km (0.056 R)
• M15: 12,526,578 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.9

Radius: 14.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.95 AU - 2.67 AU

Year: 2303 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,972,874 km

• M1: 176,825 km (0.085 R)
• M2: 746,194 km (0.087 R)
• M3: 1,296,714 km (0.067 R)
• M4: 1,754,633 km (0.097 R)
• M5: 2,442,484 km (0.117 R)
• M6: 3,305,814 km (0.087 R)
• M7: 4,065,771 km (0.06 R)
• M8: 4,984,302 km (0.102 R)
• M9: 6,589,487 km (0.061 R)
• M10: 9,316,656 km (0.069 R)
• M11: 10,422,484 km (0.117 R)
• M12: 11,774,250 km (0.045 R)
• M13: 12,555,450 km (0.117 R)
• M14: 15,299,225 km (0.084 R)
• M15: 16,229,873 km (0.03 R)
• M16: 16,683,753 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.6

Radius: 6.8

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.36 AU - 10.06 AU

Year: 19849 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,972,874 km

• M1: 86,019 km (0.054 R)
• M2: 312,959 km (0.111 R)
• M3: 625,917 km (0.096 R)
• M4: 1,029,533 km (0.05 R)
• M5: 1,319,154 km (0.056 R)
• M6: 2,374,567 km (0.078 R)
• M7: 3,246,723 km (0.059 R)
• M8: 3,609,049 km (0.11 R)
• M9: 4,548,822 km (0.105 R)
• M10: 5,920,635 km (0.115 R)
• M11: 6,376,759 km (0.119 R)
• M12: 6,635,414 km (0.116 R)
• M13: 6,900,950 km (0.071 R)
• M14: 7,453,415 km (0.06 R)
• M15: 9,016,862 km (0.073 R)
• M16: 11,341,613 km (0.059 R)
• M17: 13,966,308 km (0.1 R)
• M18: 16,562,878 km (0.065 R)
• M19: 17,889,362 km (0.119 R)
• M20: 18,145,773 km (0.066 R)
• M21: 19,464,628 km (0.088 R)
• M22: 21,416,730 km (0.068 R)
• M23: 24,531,508 km (0.048 R)
• M24: 36,478,842 km (0.06 R)
• M25: 42,540,997 km (0.075 R)
• M26: 43,612,566 km (0.08 R)
• M27: 52,142,487 km (0.049 R)
• M28: 54,436,272 km (0.075 R)
• M29: 64,685,670 km (0.104 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: 243 - 12,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit