🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.49 AU - 0.52 AU

Year: 161 Days

Day: 39.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.93 AU - 0.97 AU

Year: 423 Days

Day: 39.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.83 AU - 1.91 AU

Year: 1168 Days

Day: 41.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.67 AU - 2.65 AU

Year: 1449 Days

Day: 18 Hours

Environment

Temp: -125 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,977,925 km

• M1: 71,807 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 14.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.12 AU - 2.4 AU

Year: 1551 Days

Day: 7.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,977,925 km

• M1: 179,218 km (0.12 R)
• M2: 628,161 km (0.071 R)
• M3: 1,744,910 km (0.107 R)
• M4: 2,532,243 km (0.029 R)
• M5: 3,079,323 km (0.095 R)
• M6: 3,867,554 km (0.112 R)
• M7: 6,279,670 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 14.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.36 AU - 2.88 AU

Year: 1936 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,977,925 km

• M1: 175,478 km (0.087 R)
• M2: 768,484 km (0.043 R)
• M3: 1,584,391 km (0.107 R)
• M4: 2,410,620 km (0.118 R)
• M5: 2,931,071 km (0.054 R)
• M6: 3,863,215 km (0.109 R)
• M7: 4,833,806 km (0.087 R)
• M8: 5,274,372 km (0.094 R)
• M9: 6,869,235 km (0.082 R)
• M10: 8,078,435 km (0.101 R)
• M11: 10,842,106 km (0.077 R)
• M12: 11,915,770 km (0.096 R)
• M13: 12,683,805 km (0.037 R)
• M14: 13,355,948 km (0.098 R)
• M15: 14,955,598 km (0.057 R)
• M16: 15,754,002 km (0.088 R)
• M17: 16,580,530 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 9.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.59 AU - 2.73 AU

Year: 1981 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,977,925 km

• M1: 119,379 km (0.072 R)
• M2: 732,730 km (0.092 R)
• M3: 1,613,114 km (0.097 R)
• M4: 2,471,357 km (0.079 R)
• M5: 3,593,790 km (0.042 R)
• M6: 4,381,273 km (0.119 R)
• M7: 5,811,578 km (0.117 R)
• M8: 6,872,377 km (0.099 R)
• M9: 7,791,057 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 10.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.53 AU - 3.27 AU

Year: 2255 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,977,925 km

• M1: 131,945 km (0.101 R)
• M2: 529,277 km (0.101 R)
• M3: 1,215,782 km (0.105 R)
• M4: 1,605,784 km (0.114 R)
• M5: 2,535,086 km (0.028 R)
• M6: 2,995,249 km (0.119 R)
• M7: 3,493,858 km (0.052 R)
• M8: 3,862,617 km (0.116 R)
• M9: 4,975,326 km (0.119 R)
• M10: 5,375,051 km (0.046 R)
• M11: 5,844,340 km (0.084 R)
• M12: 11,574,537 km (0.087 R)
• M13: 12,805,129 km (0.096 R)
• M14: 14,033,477 km (0.116 R)
• M15: 14,430,211 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 9.3

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.11 AU - 4.71 AU

Year: 4228 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,977,925 km

• M1: 115,639 km (0.115 R)
• M2: 684,111 km (0.092 R)
• M3: 1,057,956 km (0.059 R)
• M4: 1,984,117 km (0.099 R)
• M5: 2,764,868 km (0.117 R)
• M6: 3,079,622 km (0.056 R)
• M7: 3,377,022 km (0.077 R)
• M8: 3,938,762 km (0.069 R)
• M9: 4,461,607 km (0.115 R)
• M10: 4,896,638 km (0.09 R)
• M11: 7,164,092 km (0.06 R)
• M12: 7,870,643 km (0.034 R)
• M13: 9,016,862 km (0.099 R)
• M14: 9,588,476 km (0.052 R)
• M15: 10,097,258 km (0.099 R)
• M16: 11,924,596 km (0.115 R)
• M17: 12,413,931 km (0.081 R)
• M18: 13,484,902 km (0.107 R)
• M19: 15,120,306 km (0.107 R)
• M20: 15,809,952 km (0.048 R)
• M21: 17,689,051 km (0.028 R)
• M22: 18,325,739 km (0.086 R)
• M23: 18,911,714 km (0.06 R)
• M24: 22,470,947 km (0.096 R)
• M25: 23,444,978 km (0.099 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: 402 - 18,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit