🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.52 AU - 0.76 AU

Year: 192 Days

Day: 20.2 Hours

Environment

Temp: 170 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,468,961 km

• M1: 46,076 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.66 AU - 0.72 AU

Year: 215 Days

Day: 21.7 Hours

Environment

Temp: 99 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.85 AU - 1.35 AU

Year: 432 Days

Day: 34.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 55,468,961 km

• M1: 43,533 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.08 AU - 3.14 AU

Year: 1580 Days

Day: 15.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,468,961 km

• M1: 61,784 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.59 AU - 3.35 AU

Year: 1918 Days

Day: 38.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.55 AU - 4.01 AU

Year: 2754 Days

Day: 15 Hours

Environment

Temp: -126 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,468,961 km

• M1: 40,092 km (0.088 R)
• M2: 1,519,765 km (0.086 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.03 AU - 4.05 AU

Year: 3043 Days

Day: 47.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 13.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.92 AU - 6.02 AU

Year: 4794 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,468,961 km

• M1: 166,652 km (0.093 R)
• M2: 693,237 km (0.103 R)
• M3: 1,518,867 km (0.107 R)
• M4: 2,237,685 km (0.116 R)
• M5: 2,708,170 km (0.085 R)
• M6: 3,174,317 km (0.116 R)
• M7: 3,674,722 km (0.095 R)
• M8: 4,184,851 km (0.112 R)
• M9: 5,763,856 km (0.113 R)
• M10: 6,867,141 km (0.051 R)
• M11: 8,106,559 km (0.104 R)
• M12: 10,456,742 km (0.085 R)
• M13: 12,721,803 km (0.072 R)
• M14: 15,245,369 km (0.117 R)
• M15: 17,457,922 km (0.107 R)
• M16: 20,436,565 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 13.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.77 AU - 7.47 AU

Year: 6383 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,468,961 km

• M1: 173,534 km (0.07 R)
• M2: 872,006 km (0.052 R)
• M3: 1,470,846 km (0.115 R)
• M4: 2,399,699 km (0.062 R)
• M5: 2,891,278 km (0.079 R)
• M6: 3,577,184 km (0.089 R)
• M7: 5,510,587 km (0.112 R)
• M8: 7,732,415 km (0.096 R)
• M9: 8,847,667 km (0.097 R)
• M10: 12,916,879 km (0.039 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.8

Radius: 11.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.63 AU - 12.75 AU

Year: 13098 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,468,961 km

• M1: 144,661 km (0.063 R)
• M2: 517,758 km (0.082 R)
• M3: 1,116,599 km (0.113 R)
• M4: 2,280,620 km (0.049 R)
• M5: 6,262,765 km (0.107 R)
• M6: 7,745,280 km (0.104 R)
• M7: 12,395,680 km (0.087 R)
• M8: 13,781,405 km (0.09 R)
• M9: 14,647,277 km (0.109 R)
• M10: 20,794,104 km (0.102 R)
• M11: 21,843,832 km (0.105 R)
• M12: 27,733,500 km (0.11 R)
• M13: 31,892,620 km (0.114 R)
• M14: 32,585,408 km (0.114 R)
• M15: 34,240,559 km (0.034 R)
• M16: 38,104,074 km (0.028 R)
• M17: 38,753,328 km (0.091 R)
• M18: 43,084,636 km (0.108 R)
• M19: 47,130,360 km (0.119 R)
• M20: 51,107,569 km (0.072 R)
• M21: 54,643,165 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 14,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit