🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.66 AU

Year: 150 Days

Day: 28.8 Hours

Environment

Temp: 223 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.68 AU - 1.02 AU

Year: 288 Days

Day: 16.3 Hours

Environment

Temp: 116 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.22 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.42 AU - 1.74 AU

Year: 729 Days

Day: 27.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,360,922 km

• M1: 165,306 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.06 AU - 2.18 AU

Year: 1133 Days

Day: 38.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.44 AU - 2.86 AU

Year: 1584 Days

Day: 18.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.48 AU - 4.8 AU

Year: 3092 Days

Day: 22.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.4

Radius: 13.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.49 AU - 9.29 AU

Year: 8136 Days

Day: 14.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,360,922 km

• M1: 166,502 km (0.096 R)
• M2: 785,090 km (0.11 R)
• M3: 1,287,888 km (0.097 R)
• M4: 1,809,087 km (0.12 R)
• M5: 2,452,657 km (0.053 R)
• M6: 2,901,152 km (0.073 R)
• M7: 3,427,886 km (0.081 R)
• M8: 4,421,215 km (0.093 R)
• M9: 5,061,494 km (0.056 R)
• M10: 5,999,323 km (0.033 R)
• M11: 7,559,330 km (0.098 R)
• M12: 8,093,245 km (0.058 R)
• M13: 9,053,962 km (0.113 R)
• M14: 9,468,498 km (0.059 R)
• M15: 12,395,680 km (0.107 R)
• M16: 12,907,603 km (0.066 R)
• M17: 13,433,590 km (0.11 R)
• M18: 13,913,051 km (0.076 R)
• M19: 18,907,376 km (0.087 R)
• M20: 19,893,674 km (0.078 R)
• M21: 29,657,179 km (0.053 R)
• M22: 30,266,641 km (0.117 R)
• M23: 31,721,181 km (0.082 R)
• M24: 32,465,730 km (0.11 R)
• M25: 41,064,915 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 10.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.89 AU - 11.95 AU

Year: 11469 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,360,922 km

• M1: 125,662 km (0.096 R)
• M2: 515,813 km (0.101 R)
• M3: 843,582 km (0.097 R)
• M4: 1,183,469 km (0.105 R)
• M5: 1,671,008 km (0.12 R)
• M6: 2,154,359 km (0.059 R)
• M7: 3,247,171 km (0.032 R)
• M8: 3,879,222 km (0.118 R)
• M9: 4,425,703 km (0.09 R)
• M10: 5,052,818 km (0.101 R)
• M11: 6,308,841 km (0.076 R)
• M12: 6,734,298 km (0.088 R)
• M13: 7,761,886 km (0.093 R)
• M14: 9,200,867 km (0.107 R)
• M15: 9,748,994 km (0.048 R)
• M16: 10,270,343 km (0.109 R)
• M17: 13,332,761 km (0.085 R)
• M18: 14,395,055 km (0.104 R)
• M19: 15,769,112 km (0.065 R)
• M20: 16,421,657 km (0.111 R)
• M21: 16,956,619 km (0.042 R)
• M22: 18,848,434 km (0.059 R)
• M23: 20,414,125 km (0.087 R)
• M24: 21,425,856 km (0.064 R)
• M25: 31,876,464 km (0.071 R)
• M26: 33,877,784 km (0.054 R)
• M27: 34,418,132 km (0.097 R)
• M28: 35,738,333 km (0.094 R)
• M29: 38,949,750 km (0.114 R)
• M30: 39,542,756 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58

Radius: 4.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 12.56 AU - 17.86 AU

Year: 21775 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,360,922 km

• M1: 104,120 km (0.066 R)
• M2: 1,471,744 km (0.055 R)
• M3: 4,498,857 km (0.108 R)
• M4: 6,426,725 km (0.079 R)
• M5: 14,364,537 km (0.112 R)
• M6: 15,678,754 km (0.111 R)
• M7: 21,358,686 km (0.106 R)
• M8: 22,749,049 km (0.097 R)
• M9: 24,528,815 km (0.076 R)
• M10: 32,278,134 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 13,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit