🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.64 AU - 0.88 AU

Year: 236 Days

Day: 29.1 Hours

Environment

Temp: 197 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,781,271 km

• M1: 31,416 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.89 AU - 1.27 AU

Year: 400 Days

Day: 19.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 25.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 82,781,271 km

• M1: 71,957 km (0.035 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.91 AU - 1.33 AU

Year: 422 Days

Day: 32.9 Hours

Environment

Temp: 39 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.25 AU - 1.55 AU

Year: 590 Days

Day: 28.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.63 AU - 1.73 AU

Year: 776 Days

Day: 23.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,781,271 km

• M1: 39,344 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.3 AU - 3.18 AU

Year: 1617 Days

Day: 21 Hours

Environment

Temp: -94 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.91 AU - 3.03 AU

Year: 1824 Days

Day: 24.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,781,271 km

• M1: 230,680 km (0.11 R)
• M2: 352,901 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 13.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.64 AU - 7.68 AU

Year: 7557 Days

Day: 7.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,781,271 km

• M1: 167,849 km (0.119 R)
• M2: 918,830 km (0.117 R)
• M3: 1,392,756 km (0.119 R)
• M4: 1,827,637 km (0.114 R)
• M5: 2,388,928 km (0.048 R)
• M6: 3,003,626 km (0.087 R)
• M7: 3,745,631 km (0.061 R)
• M8: 4,998,663 km (0.087 R)
• M9: 6,076,516 km (0.111 R)
• M10: 7,878,123 km (0.099 R)
• M11: 8,482,199 km (0.102 R)
• M12: 10,013,034 km (0.048 R)
• M13: 14,606,586 km (0.068 R)
• M14: 15,150,225 km (0.096 R)
• M15: 16,022,830 km (0.09 R)
• M16: 17,596,300 km (0.115 R)
• M17: 19,559,622 km (0.069 R)
• M18: 20,295,046 km (0.08 R)
• M19: 20,745,036 km (0.092 R)
• M20: 21,509,930 km (0.113 R)
• M21: 22,135,249 km (0.092 R)
• M22: 24,504,580 km (0.048 R)
• M23: 26,233,931 km (0.081 R)
• M24: 33,343,271 km (0.053 R)
• M25: 35,790,543 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.3

Radius: 3.1

Gravity: 43.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 17.49 AU - 20.01 AU

Year: 28940 Days

Day: 22.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,781,271 km

• M1: 38,895 km (0.08 R)
• M2: 139,874 km (0.114 R)
• M3: 410,197 km (0.065 R)
• M4: 606,021 km (0.03 R)
• M5: 1,032,225 km (0.095 R)
• M6: 1,362,687 km (0.114 R)
• M7: 1,685,370 km (0.06 R)
• M8: 1,954,047 km (0.113 R)
• M9: 3,709,130 km (0.089 R)
• M10: 4,162,112 km (0.079 R)
• M11: 4,542,988 km (0.112 R)
• M12: 5,099,343 km (0.119 R)
• M13: 5,699,679 km (0.073 R)
• M14: 7,781,333 km (0.083 R)
• M15: 8,145,006 km (0.039 R)
• M16: 8,962,408 km (0.083 R)
• M17: 9,713,689 km (0.025 R)
• M18: 9,892,907 km (0.049 R)
• M19: 10,631,621 km (0.061 R)
• M20: 11,144,144 km (0.091 R)
• M21: 11,605,803 km (0.072 R)
• M22: 12,287,371 km (0.113 R)
• M23: 14,107,378 km (0.046 R)
• M24: 14,725,816 km (0.12 R)
• M25: 16,519,046 km (0.07 R)
• M26: 29,528,077 km (0.048 R)
• M27: 31,963,081 km (0.105 R)
• M28: 33,977,267 km (0.109 R)
• M29: 35,225,661 km (0.064 R)
• M30: 48,210,008 km (0.101 R)
• M31: 49,607,851 km (0.112 R)
• M32: 56,233,391 km (0.067 R)
• M33: 61,572,389 km (0.065 R)
• M34: 63,009,726 km (0.104 R)
• M35: 73,702,533 km (0.12 R)
• M36: 75,789,423 km (0.094 R)

Kuiper Belt

Range: 30.8 - 54.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 11,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit