🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.55 AU - 1.67 AU

Year: 613 Days

Day: 13.3 Hours

Environment

Temp: 106 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,200,830 km

• M1: 173,982 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.83 AU - 4.13 AU

Year: 2384 Days

Day: 13.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,200,830 km

• M1: 28,424 km (0.113 R)
• M2: 535,112 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.44 AU - 5.08 AU

Year: 3118 Days

Day: 34.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.42 AU - 7.04 AU

Year: 4118 Days

Day: 28.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,200,830 km

• M1: 4,273,413 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 14.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 9.6

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 11.29 AU - 18.27 AU

Year: 17060 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,200,830 km

• M1: 120,576 km (0.055 R)
• M2: 655,687 km (0.116 R)
• M3: 1,901,688 km (0.067 R)
• M4: 2,212,253 km (0.063 R)
• M5: 4,713,829 km (0.111 R)
• M6: 6,114,065 km (0.069 R)
• M7: 7,870,942 km (0.1 R)
• M8: 9,884,231 km (0.109 R)
• M9: 10,765,960 km (0.113 R)
• M10: 11,571,994 km (0.082 R)
• M11: 13,095,648 km (0.048 R)
• M12: 17,025,883 km (0.086 R)
• M13: 18,464,566 km (0.07 R)
• M14: 19,891,131 km (0.076 R)
• M15: 23,983,531 km (0.101 R)
• M16: 26,446,660 km (0.105 R)
• M17: 31,744,818 km (0.096 R)
• M18: 33,657,127 km (0.092 R)
• M19: 38,273,867 km (0.028 R)
• M20: 39,853,471 km (0.085 R)
• M21: 47,912,458 km (0.115 R)
• M22: 50,595,047 km (0.117 R)
• M23: 50,937,177 km (0.102 R)
• M24: 52,847,093 km (0.091 R)
• M25: 57,550,151 km (0.113 R)
• M26: 63,314,756 km (0.077 R)
• M27: 63,712,088 km (0.112 R)
• M28: 65,724,478 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 11.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.04 AU - 15.1 AU

Year: 17564 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,200,830 km

• M1: 144,212 km (0.072 R)
• M2: 533,765 km (0.108 R)
• M3: 1,602,343 km (0.11 R)
• M4: 2,241,425 km (0.098 R)
• M5: 2,663,740 km (0.092 R)
• M6: 3,671,132 km (0.094 R)
• M7: 4,597,143 km (0.109 R)
• M8: 7,329,248 km (0.111 R)
• M9: 8,176,272 km (0.103 R)
• M10: 10,885,339 km (0.093 R)
• M11: 11,514,847 km (0.114 R)
• M12: 13,877,596 km (0.051 R)
• M13: 15,526,763 km (0.092 R)
• M14: 18,399,341 km (0.05 R)
• M15: 21,431,541 km (0.066 R)
• M16: 22,420,682 km (0.109 R)
• M17: 24,393,429 km (0.061 R)
• M18: 26,993,141 km (0.06 R)
• M19: 27,934,410 km (0.025 R)
• M20: 30,439,576 km (0.077 R)
• M21: 31,344,943 km (0.094 R)
• M22: 35,146,973 km (0.086 R)
• M23: 38,716,976 km (0.086 R)
• M24: 40,318,421 km (0.066 R)
• M25: 40,998,493 km (0.107 R)
• M26: 44,370,130 km (0.093 R)
• M27: 45,828,111 km (0.108 R)
• M28: 46,271,519 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 22.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.3

Radius: 6.3

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 19.77 AU - 24.85 AU

Year: 31638 Days

Day: 15.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,200,830 km

• M1: 78,539 km (0.12 R)
• M2: 330,312 km (0.117 R)
• M3: 867,967 km (0.072 R)
• M4: 1,082,341 km (0.092 R)
• M5: 2,548,549 km (0.039 R)
• M6: 6,435,252 km (0.051 R)
• M7: 6,676,104 km (0.085 R)
• M8: 8,063,924 km (0.103 R)
• M9: 8,391,543 km (0.111 R)
• M10: 9,073,111 km (0.053 R)
• M11: 10,657,053 km (0.066 R)
• M12: 11,929,832 km (0.118 R)
• M13: 14,158,541 km (0.094 R)
• M14: 14,704,424 km (0.076 R)
• M15: 15,193,459 km (0.111 R)
• M16: 16,500,795 km (0.12 R)
• M17: 17,181,914 km (0.113 R)
• M18: 20,609,650 km (0.113 R)
• M19: 21,221,954 km (0.114 R)
• M20: 22,852,421 km (0.12 R)
• M21: 29,106,211 km (0.047 R)
• M22: 41,998,854 km (0.088 R)
• M23: 43,837,711 km (0.102 R)
• M24: 55,169,002 km (0.088 R)
• M25: 55,504,251 km (0.104 R)

Kuiper Belt

Range: 36.5 - 63.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 17,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit