🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 156 Days

Day: 29.8 Hours

Environment

Temp: 123 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.45 AU - 0.73 AU

Year: 189 Days

Day: 23.8 Hours

Environment

Temp: 153 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,644,640 km

• M1: 122,221 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.53 AU - 0.69 AU

Year: 198 Days

Day: 16.3 Hours

Environment

Temp: 44 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.82 AU

Year: 260 Days

Day: 25.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.47 AU - 1.89 AU

Year: 906 Days

Day: 25.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.83 AU - 5.07 AU

Year: 4584 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,644,640 km

• M1: 165,605 km (0.087 R)
• M2: 750,383 km (0.086 R)
• M3: 1,172,548 km (0.069 R)
• M4: 1,653,804 km (0.093 R)
• M5: 2,167,673 km (0.071 R)
• M6: 2,654,913 km (0.076 R)
• M7: 3,564,618 km (0.095 R)
• M8: 4,894,842 km (0.11 R)
• M9: 5,884,283 km (0.056 R)
• M10: 7,034,989 km (0.107 R)
• M11: 7,664,198 km (0.083 R)
• M12: 9,227,346 km (0.118 R)
• M13: 10,437,743 km (0.096 R)
• M14: 11,888,543 km (0.088 R)
• M15: 12,831,009 km (0.052 R)
• M16: 13,620,288 km (0.081 R)
• M17: 14,129,968 km (0.097 R)
• M18: 18,802,208 km (0.034 R)
• M19: 20,943,104 km (0.071 R)
• M20: 23,750,457 km (0.083 R)
• M21: 24,340,770 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 13.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.14 AU - 5.5 AU

Year: 5108 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,644,640 km

• M1: 176,376 km (0.088 R)
• M2: 1,370,017 km (0.043 R)
• M3: 1,917,994 km (0.068 R)
• M4: 2,941,543 km (0.067 R)
• M5: 3,511,660 km (0.109 R)
• M6: 4,985,648 km (0.081 R)
• M7: 5,739,921 km (0.1 R)
• M8: 6,737,439 km (0.089 R)
• M9: 9,370,661 km (0.06 R)
• M10: 9,978,926 km (0.068 R)
• M11: 12,114,436 km (0.098 R)
• M12: 18,121,837 km (0.08 R)
• M13: 18,793,980 km (0.069 R)
• M14: 22,870,522 km (0.112 R)
• M15: 33,823,331 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 10.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.96 AU - 10.76 AU

Year: 11920 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,644,640 km

• M1: 131,796 km (0.113 R)
• M2: 519,404 km (0.063 R)
• M3: 1,183,469 km (0.091 R)
• M4: 2,199,837 km (0.044 R)
• M5: 2,660,149 km (0.108 R)
• M6: 3,535,895 km (0.114 R)
• M7: 4,848,018 km (0.112 R)
• M8: 5,668,563 km (0.1 R)
• M9: 5,999,174 km (0.12 R)
• M10: 6,420,890 km (0.117 R)
• M11: 7,153,621 km (0.104 R)
• M12: 7,584,313 km (0.109 R)
• M13: 9,330,419 km (0.102 R)
• M14: 11,272,648 km (0.11 R)
• M15: 12,833,403 km (0.114 R)
• M16: 13,213,232 km (0.095 R)
• M17: 14,877,059 km (0.076 R)
• M18: 19,515,790 km (0.091 R)
• M19: 20,962,551 km (0.072 R)
• M20: 21,936,134 km (0.065 R)
• M21: 23,499,582 km (0.078 R)
• M22: 27,053,429 km (0.085 R)
• M23: 33,151,038 km (0.076 R)
• M24: 34,350,065 km (0.104 R)
• M25: 35,826,895 km (0.031 R)
• M26: 36,328,497 km (0.097 R)
• M27: 39,703,574 km (0.034 R)
• M28: 42,020,097 km (0.088 R)
• M29: 46,920,774 km (0.107 R)
• M30: 47,370,764 km (0.07 R)
• M31: 51,869,172 km (0.103 R)
• M32: 55,132,500 km (0.071 R)
• M33: 55,969,201 km (0.097 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: 410 - 15,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit