🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.7 AU - 0.78 AU

Year: 233 Days

Day: 47.7 Hours

Environment

Temp: 113 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.59 AU - 0.95 AU

Year: 247 Days

Day: 32.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.15 AU - 1.23 AU

Year: 474 Days

Day: 21.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.99 AU - 3.07 AU

Year: 1926 Days

Day: 28.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 9.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.28 AU - 5.56 AU

Year: 3986 Days

Day: 6.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,894,731 km

• M1: 119,379 km (0.11 R)
• M2: 444,754 km (0.096 R)
• M3: 1,010,982 km (0.054 R)
• M4: 1,318,406 km (0.071 R)
• M5: 2,595,822 km (0.102 R)
• M6: 3,229,220 km (0.03 R)
• M7: 3,621,914 km (0.116 R)
• M8: 3,995,610 km (0.052 R)
• M9: 4,306,025 km (0.061 R)
• M10: 5,930,658 km (0.033 R)
• M11: 6,640,051 km (0.101 R)
• M12: 7,303,218 km (0.074 R)
• M13: 9,021,799 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.6

Radius: 8.1

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.58 AU - 9.46 AU

Year: 9895 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,894,731 km

• M1: 100,679 km (0.087 R)
• M2: 383,419 km (0.089 R)
• M3: 684,261 km (0.088 R)
• M4: 968,945 km (0.097 R)
• M5: 1,371,214 km (0.106 R)
• M6: 1,758,373 km (0.075 R)
• M7: 2,774,293 km (0.058 R)
• M8: 4,083,723 km (0.1 R)
• M9: 4,828,870 km (0.109 R)
• M10: 5,363,084 km (0.086 R)
• M11: 7,085,105 km (0.104 R)
• M12: 8,869,807 km (0.06 R)
• M13: 9,335,356 km (0.095 R)
• M14: 10,315,222 km (0.044 R)
• M15: 11,744,779 km (0.118 R)
• M16: 12,079,430 km (0.062 R)
• M17: 13,301,794 km (0.029 R)
• M18: 16,263,533 km (0.066 R)
• M19: 17,897,590 km (0.104 R)
• M20: 19,250,703 km (0.066 R)
• M21: 20,509,419 km (0.108 R)
• M22: 29,337,489 km (0.111 R)
• M23: 29,644,912 km (0.118 R)
• M24: 32,290,700 km (0.117 R)
• M25: 33,169,588 km (0.096 R)
• M26: 39,027,242 km (0.079 R)
• M27: 40,402,495 km (0.049 R)
• M28: 42,199,166 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 6.5

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 12.11 AU - 15.35 AU

Year: 18582 Days

Day: 15.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,894,731 km

• M1: 80,932 km (0.102 R)
• M2: 355,445 km (0.114 R)
• M3: 908,209 km (0.081 R)
• M4: 1,292,974 km (0.098 R)
• M5: 1,931,009 km (0.086 R)
• M6: 2,569,194 km (0.12 R)
• M7: 2,785,812 km (0.07 R)
• M8: 3,932,180 km (0.106 R)
• M9: 4,558,247 km (0.095 R)
• M10: 4,986,695 km (0.11 R)
• M11: 7,887,847 km (0.08 R)
• M12: 8,244,189 km (0.104 R)
• M13: 9,265,793 km (0.067 R)
• M14: 10,011,688 km (0.034 R)
• M15: 13,256,017 km (0.09 R)
• M16: 13,979,771 km (0.113 R)
• M17: 14,653,411 km (0.108 R)
• M18: 14,959,637 km (0.073 R)
• M19: 15,984,532 km (0.104 R)
• M20: 16,555,398 km (0.11 R)
• M21: 17,911,203 km (0.072 R)
• M22: 18,438,087 km (0.107 R)
• M23: 22,724,964 km (0.087 R)
• M24: 23,032,387 km (0.108 R)
• M25: 25,152,937 km (0.077 R)
• M26: 26,712,495 km (0.098 R)
• M27: 28,811,054 km (0.117 R)
• M28: 30,393,351 km (0.108 R)
• M29: 33,996,266 km (0.037 R)
• M30: 34,398,534 km (0.099 R)
• M31: 36,737,497 km (0.117 R)
• M32: 37,445,245 km (0.075 R)
• M33: 44,228,012 km (0.084 R)
• M34: 51,257,018 km (0.093 R)
• M35: 68,750,394 km (0.075 R)
• M36: 75,818,445 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.2

Radius: 6.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 15.82 AU - 21.88 AU

Year: 29892 Days

Day: 23.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,894,731 km

• M1: 86,019 km (0.069 R)
• M2: 379,679 km (0.081 R)
• M3: 833,859 km (0.118 R)
• M4: 1,413,700 km (0.09 R)
• M5: 4,487,188 km (0.116 R)
• M6: 5,211,691 km (0.118 R)
• M7: 9,803,896 km (0.1 R)
• M8: 11,017,434 km (0.053 R)
• M9: 12,602,125 km (0.047 R)
• M10: 16,946,746 km (0.094 R)
• M11: 17,422,617 km (0.113 R)
• M12: 17,977,475 km (0.08 R)
• M13: 22,520,015 km (0.095 R)
• M14: 23,012,491 km (0.117 R)
• M15: 24,792,706 km (0.072 R)
• M16: 29,009,570 km (0.107 R)
• M17: 32,106,097 km (0.094 R)
• M18: 36,082,109 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit