🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 213 Days

Day: 43.4 Hours

Environment

Temp: 141 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.94 AU - 0.98 AU

Year: 342 Days

Day: 36.2 Hours

Environment

Temp: 72 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.55 AU - 1.97 AU

Year: 849 Days

Day: 41.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,801,463 km

• M1: 59,241 km (0.071 R)
• M2: 398,230 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.37 AU - 4.99 AU

Year: 3106 Days

Day: 16.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 13.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.95 AU - 11.49 AU

Year: 11874 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,801,463 km

• M1: 169,195 km (0.103 R)
• M2: 611,855 km (0.048 R)
• M3: 1,576,313 km (0.12 R)
• M4: 4,772,322 km (0.118 R)
• M5: 7,296,935 km (0.119 R)
• M6: 9,137,288 km (0.115 R)
• M7: 9,830,375 km (0.074 R)
• M8: 12,013,307 km (0.069 R)
• M9: 15,127,337 km (0.095 R)
• M10: 18,093,114 km (0.097 R)
• M11: 23,922,196 km (0.12 R)
• M12: 24,883,960 km (0.083 R)
• M13: 27,637,758 km (0.044 R)
• M14: 36,995,105 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.3

Radius: 14.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.76 AU - 11.22 AU

Year: 12348 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,801,463 km

• M1: 186,399 km (0.113 R)
• M2: 1,627,326 km (0.063 R)
• M3: 3,338,426 km (0.081 R)
• M4: 5,713,442 km (0.104 R)
• M5: 6,957,947 km (0.087 R)
• M6: 9,874,357 km (0.11 R)
• M7: 11,081,911 km (0.101 R)
• M8: 12,080,926 km (0.058 R)
• M9: 12,758,754 km (0.06 R)
• M10: 13,856,054 km (0.088 R)
• M11: 14,945,575 km (0.107 R)
• M12: 15,655,118 km (0.116 R)
• M13: 20,828,063 km (0.072 R)
• M14: 22,166,216 km (0.081 R)
• M15: 28,310,499 km (0.101 R)
• M16: 33,543,283 km (0.096 R)
• M17: 34,514,772 km (0.095 R)
• M18: 39,253,883 km (0.059 R)
• M19: 40,332,783 km (0.043 R)
• M20: 42,691,193 km (0.101 R)
• M21: 44,701,190 km (0.081 R)
• M22: 53,868,996 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.06 AU - 13.08 AU

Year: 12489 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,801,463 km

• M1: 179,817 km (0.085 R)
• M2: 670,647 km (0.113 R)
• M3: 1,363,435 km (0.106 R)
• M4: 1,838,408 km (0.061 R)
• M5: 2,356,615 km (0.089 R)
• M6: 3,033,994 km (0.07 R)
• M7: 4,266,830 km (0.115 R)
• M8: 5,974,490 km (0.071 R)
• M9: 6,482,525 km (0.081 R)
• M10: 7,470,469 km (0.085 R)
• M11: 8,183,303 km (0.071 R)
• M12: 11,653,375 km (0.116 R)
• M13: 12,778,501 km (0.098 R)
• M14: 13,282,496 km (0.075 R)
• M15: 15,432,516 km (0.118 R)
• M16: 16,590,404 km (0.108 R)
• M17: 18,862,945 km (0.102 R)
• M18: 19,370,531 km (0.088 R)
• M19: 21,414,337 km (0.084 R)
• M20: 22,286,941 km (0.048 R)
• M21: 24,701,152 km (0.061 R)
• M22: 26,194,886 km (0.061 R)
• M23: 27,101,300 km (0.105 R)
• M24: 29,555,902 km (0.089 R)
• M25: 37,008,868 km (0.083 R)
• M26: 38,729,692 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35

Radius: 3.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 17.18 AU - 21.56 AU

Year: 30983 Days

Day: 19.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,801,463 km

• M1: 45,927 km (0.105 R)
• M2: 268,678 km (0.06 R)
• M3: 3,841,075 km (0.102 R)
• M4: 5,384,327 km (0.073 R)
• M5: 7,222,735 km (0.094 R)
• M6: 8,530,819 km (0.094 R)
• M7: 13,501,357 km (0.093 R)
• M8: 15,531,550 km (0.113 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 20,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit