🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.74 AU - 1.2 AU

Year: 366 Days

Day: 30.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.01 AU - 1.25 AU

Year: 460 Days

Day: 27.1 Hours

Environment

Temp: -13 °C

Axial Tilt: 1.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,652,884 km

• M1: 380,876 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.51 AU - 2.77 AU

Year: 1642 Days

Day: 18.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,652,884 km

• M1: 51,611 km (0.067 R)

Asteroid Belt

Center: 3.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.8

Radius: 9.3

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.19 AU - 5.55 AU

Year: 4115 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,652,884 km

• M1: 137,780 km (0.062 R)
• M2: 674,238 km (0.088 R)
• M3: 1,264,551 km (0.111 R)
• M4: 1,752,988 km (0.065 R)
• M5: 2,488,411 km (0.108 R)
• M6: 2,804,062 km (0.12 R)
• M7: 3,723,341 km (0.1 R)
• M8: 4,958,272 km (0.071 R)
• M9: 5,461,669 km (0.069 R)
• M10: 5,796,917 km (0.115 R)
• M11: 9,908,166 km (0.091 R)
• M12: 10,323,599 km (0.098 R)
• M13: 11,234,052 km (0.066 R)
• M14: 13,974,386 km (0.109 R)
• M15: 15,196,600 km (0.1 R)
• M16: 19,872,581 km (0.12 R)
• M17: 22,893,112 km (0.116 R)
• M18: 25,196,470 km (0.035 R)
• M19: 25,504,642 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.3

Radius: 10

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.97 AU - 7.15 AU

Year: 5712 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,652,884 km

• M1: 126,410 km (0.077 R)
• M2: 920,924 km (0.116 R)
• M3: 1,285,345 km (0.117 R)
• M4: 1,628,074 km (0.114 R)
• M5: 2,032,437 km (0.085 R)
• M6: 3,356,976 km (0.1 R)
• M7: 5,784,501 km (0.094 R)
• M8: 8,695,825 km (0.057 R)
• M9: 13,763,453 km (0.086 R)
• M10: 15,030,547 km (0.116 R)
• M11: 17,399,878 km (0.114 R)
• M12: 18,197,085 km (0.105 R)
• M13: 19,087,940 km (0.118 R)
• M14: 19,650,428 km (0.081 R)
• M15: 24,228,123 km (0.115 R)
• M16: 24,638,919 km (0.092 R)
• M17: 27,468,114 km (0.032 R)
• M18: 29,099,329 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 14.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.81 AU - 9.45 AU

Year: 9707 Days

Day: 8.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,652,884 km

• M1: 180,265 km (0.083 R)
• M2: 791,223 km (0.098 R)
• M3: 1,503,608 km (0.087 R)
• M4: 2,315,476 km (0.093 R)
• M5: 2,812,590 km (0.057 R)
• M6: 4,511,573 km (0.116 R)
• M7: 4,972,035 km (0.116 R)
• M8: 5,774,627 km (0.1 R)
• M9: 7,767,869 km (0.107 R)
• M10: 8,342,176 km (0.066 R)
• M11: 8,850,210 km (0.107 R)
• M12: 9,979,674 km (0.094 R)
• M13: 11,995,804 km (0.115 R)
• M14: 12,584,472 km (0.116 R)
• M15: 14,865,241 km (0.06 R)
• M16: 15,752,955 km (0.108 R)
• M17: 16,531,462 km (0.093 R)
• M18: 19,904,745 km (0.039 R)
• M19: 21,152,840 km (0.115 R)
• M20: 22,452,396 km (0.037 R)
• M21: 31,060,408 km (0.108 R)
• M22: 32,060,020 km (0.114 R)
• M23: 34,240,709 km (0.099 R)
• M24: 36,274,342 km (0.092 R)
• M25: 37,882,818 km (0.112 R)
• M26: 42,314,057 km (0.067 R)
• M27: 44,374,618 km (0.115 R)
• M28: 45,500,641 km (0.077 R)
• M29: 49,142,003 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.8

Radius: 4.6

Gravity: 43.14 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.25 AU - 14.67 AU

Year: 18908 Days

Day: 23.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,652,884 km

• M1: 142,716 km (0.1 R)
• M2: 340,186 km (0.114 R)
• M3: 1,751,641 km (0.108 R)
• M4: 2,063,852 km (0.063 R)
• M5: 2,747,963 km (0.09 R)
• M6: 3,662,904 km (0.096 R)
• M7: 5,734,834 km (0.095 R)
• M8: 7,549,307 km (0.111 R)
• M9: 10,011,239 km (0.104 R)
• M10: 11,853,387 km (0.089 R)
• M11: 16,192,623 km (0.091 R)
• M12: 18,441,079 km (0.119 R)
• M13: 18,896,006 km (0.084 R)
• M14: 22,395,699 km (0.107 R)
• M15: 29,640,724 km (0.088 R)
• M16: 34,194,632 km (0.031 R)
• M17: 38,157,181 km (0.092 R)
• M18: 44,657,807 km (0.088 R)
• M19: 52,946,875 km (0.105 R)
• M20: 54,980,957 km (0.116 R)
• M21: 56,302,056 km (0.117 R)
• M22: 64,259,616 km (0.075 R)
• M23: 64,675,947 km (0.087 R)
• M24: 71,140,519 km (0.092 R)
• M25: 72,483,011 km (0.11 R)
• M26: 77,080,153 km (0.117 R)
• M27: 80,170,247 km (0.03 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 16,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit