🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.52 AU - 0.76 AU

Year: 195 Days

Day: 33.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.76 AU - 1.24 AU

Year: 381 Days

Day: 39.9 Hours

Environment

Temp: -2 °C

Axial Tilt: 2.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.42 AU - 2.06 AU

Year: 874 Days

Day: 46.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.6 AU - 2 AU

Year: 920 Days

Day: 43.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.76 AU - 2.02 AU

Year: 989 Days

Day: 46.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,178,338 km

• M1: 1,345,334 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.72 AU - 2.3 AU

Year: 1085 Days

Day: 21.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,178,338 km

• M1: 75,098 km (0.11 R)
• M2: 221,405 km (0.091 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.85 AU - 3.03 AU

Year: 1451 Days

Day: 17.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,178,338 km

• M1: 134,040 km (0.113 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.57 AU - 3.89 AU

Year: 2743 Days

Day: 20.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 10.1

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.57 AU - 5.83 AU

Year: 5182 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,178,338 km

• M1: 127,607 km (0.104 R)
• M2: 639,381 km (0.118 R)
• M3: 1,354,758 km (0.116 R)
• M4: 2,019,571 km (0.087 R)
• M5: 2,701,139 km (0.026 R)
• M6: 3,485,331 km (0.054 R)
• M7: 4,731,182 km (0.081 R)
• M8: 6,450,810 km (0.103 R)
• M9: 8,391,693 km (0.116 R)
• M10: 8,921,718 km (0.1 R)
• M11: 12,117,577 km (0.056 R)
• M12: 13,553,118 km (0.111 R)
• M13: 14,112,465 km (0.056 R)
• M14: 14,687,220 km (0.107 R)
• M15: 15,457,649 km (0.096 R)
• M16: 15,944,889 km (0.109 R)
• M17: 17,208,243 km (0.114 R)
• M18: 17,797,958 km (0.115 R)
• M19: 19,790,302 km (0.039 R)
• M20: 21,775,017 km (0.081 R)
• M21: 26,654,002 km (0.095 R)
• M22: 27,003,164 km (0.081 R)
• M23: 27,621,302 km (0.074 R)
• M24: 32,512,853 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.9

Radius: 7.9

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.67 AU - 20.43 AU

Year: 29202 Days

Day: 19.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,178,338 km

• M1: 98,286 km (0.082 R)
• M2: 453,581 km (0.119 R)
• M3: 776,563 km (0.092 R)
• M4: 1,237,773 km (0.113 R)
• M5: 1,699,881 km (0.087 R)
• M6: 2,340,907 km (0.111 R)
• M7: 2,704,730 km (0.047 R)
• M8: 3,050,001 km (0.051 R)
• M9: 3,454,664 km (0.041 R)
• M10: 4,301,088 km (0.048 R)
• M11: 5,692,199 km (0.049 R)
• M12: 6,724,574 km (0.036 R)
• M13: 7,512,955 km (0.069 R)
• M14: 9,691,399 km (0.111 R)
• M15: 10,248,352 km (0.088 R)
• M16: 12,402,411 km (0.052 R)
• M17: 14,204,019 km (0.081 R)
• M18: 18,504,957 km (0.091 R)
• M19: 28,297,484 km (0.103 R)
• M20: 29,433,830 km (0.078 R)
• M21: 33,163,155 km (0.042 R)
• M22: 34,425,761 km (0.056 R)
• M23: 39,641,192 km (0.101 R)
• M24: 45,702,299 km (0.106 R)
• M25: 46,392,394 km (0.094 R)
• M26: 56,400,641 km (0.097 R)
• M27: 56,796,776 km (0.083 R)
• M28: 69,558,522 km (0.089 R)
• M29: 70,014,047 km (0.106 R)
• M30: 70,701,001 km (0.085 R)
• M31: 71,392,442 km (0.109 R)
• M32: 78,310,297 km (0.097 R)
• M33: 84,104,671 km (0.109 R)
• M34: 86,185,278 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 10,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit