🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 144 Days

Day: 36.3 Hours

Environment

Temp: 239 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,175,539 km

• M1: 21,392 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.44 AU - 0.68 AU

Year: 152 Days

Day: 16.3 Hours

Environment

Temp: 252 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,175,539 km

• M1: 110,852 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.63 AU - 1.05 AU

Year: 278 Days

Day: 37.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.15 AU - 1.53 AU

Year: 561 Days

Day: 37 Hours

Environment

Temp: 5 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,175,539 km

• M1: 164,258 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.15 AU - 1.87 AU

Year: 671 Days

Day: 34.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,175,539 km

• M1: 318,943 km (0.051 R)
• M2: 1,086,380 km (0.116 R)

Asteroid Belt

Center: 5.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 12.2

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.94 AU - 9.58 AU

Year: 9377 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,175,539 km

• M1: 151,692 km (0.115 R)
• M2: 855,999 km (0.026 R)
• M3: 1,563,597 km (0.102 R)
• M4: 3,514,054 km (0.081 R)
• M5: 6,196,643 km (0.11 R)
• M6: 7,427,235 km (0.09 R)
• M7: 7,871,690 km (0.116 R)
• M8: 8,333,948 km (0.086 R)
• M9: 8,725,595 km (0.087 R)
• M10: 10,466,914 km (0.091 R)
• M11: 10,872,025 km (0.069 R)
• M12: 11,552,845 km (0.05 R)
• M13: 12,095,586 km (0.051 R)
• M14: 12,485,588 km (0.103 R)
• M15: 13,115,545 km (0.107 R)
• M16: 16,588,609 km (0.098 R)
• M17: 19,394,616 km (0.061 R)
• M18: 20,949,985 km (0.09 R)
• M19: 22,839,556 km (0.089 R)
• M20: 24,043,968 km (0.105 R)
• M21: 25,019,645 km (0.05 R)
• M22: 27,335,121 km (0.074 R)
• M23: 28,397,865 km (0.07 R)
• M24: 30,196,031 km (0.105 R)
• M25: 32,495,500 km (0.054 R)
• M26: 32,925,743 km (0.12 R)
• M27: 40,960,495 km (0.063 R)
• M28: 43,382,934 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 14.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 11.33 AU - 11.53 AU

Year: 13975 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,175,539 km

• M1: 176,525 km (0.092 R)
• M2: 643,121 km (0.062 R)
• M3: 1,698,534 km (0.028 R)
• M4: 5,082,139 km (0.051 R)
• M5: 5,612,463 km (0.109 R)
• M6: 6,082,649 km (0.073 R)
• M7: 6,925,185 km (0.116 R)
• M8: 8,968,692 km (0.085 R)
• M9: 10,152,160 km (0.069 R)
• M10: 10,901,047 km (0.04 R)
• M11: 11,838,128 km (0.079 R)
• M12: 12,509,823 km (0.11 R)
• M13: 13,371,207 km (0.072 R)
• M14: 14,561,408 km (0.075 R)
• M15: 18,215,934 km (0.046 R)
• M16: 19,322,809 km (0.062 R)
• M17: 22,520,164 km (0.079 R)
• M18: 32,475,005 km (0.062 R)
• M19: 35,356,559 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.8

Radius: 5.4

Gravity: 27.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 13.77 AU - 14.25 AU

Year: 18965 Days

Day: 19.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,175,539 km

• M1: 70,461 km (0.054 R)
• M2: 326,722 km (0.108 R)
• M3: 1,466,209 km (0.111 R)
• M4: 2,206,569 km (0.085 R)
• M5: 2,683,038 km (0.091 R)
• M6: 4,026,277 km (0.114 R)
• M7: 5,603,936 km (0.087 R)
• M8: 10,269,295 km (0.037 R)
• M9: 18,664,130 km (0.075 R)
• M10: 21,285,982 km (0.119 R)
• M11: 23,615,370 km (0.103 R)
• M12: 25,113,443 km (0.117 R)
• M13: 29,375,487 km (0.103 R)
• M14: 33,828,417 km (0.11 R)
• M15: 35,042,104 km (0.093 R)
• M16: 40,637,813 km (0.108 R)
• M17: 41,854,791 km (0.114 R)
• M18: 46,800,647 km (0.106 R)
• M19: 51,062,092 km (0.09 R)
• M20: 72,011,179 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.7

Radius: 5

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 16.93 AU - 21.15 AU

Year: 30046 Days

Day: 18.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,175,539 km

• M1: 73,004 km (0.116 R)
• M2: 550,371 km (0.119 R)
• M3: 928,853 km (0.116 R)
• M4: 2,082,402 km (0.117 R)
• M5: 5,376,847 km (0.094 R)
• M6: 8,274,408 km (0.074 R)
• M7: 11,672,972 km (0.118 R)
• M8: 18,263,207 km (0.045 R)
• M9: 18,708,560 km (0.094 R)
• M10: 27,661,843 km (0.092 R)
• M11: 31,948,121 km (0.078 R)
• M12: 35,679,990 km (0.038 R)
• M13: 60,501,867 km (0.107 R)
• M14: 64,315,865 km (0.077 R)
• M15: 71,535,458 km (0.109 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 12,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit