🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.64 AU - 0.98 AU

Year: 305 Days

Day: 31.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 28.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,137,831 km

• M1: 432,637 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.72 AU - 1.12 AU

Year: 370 Days

Day: 43.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.19 AU - 1.23 AU

Year: 558 Days

Day: 22.9 Hours

Environment

Temp: -67 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,137,831 km

• M1: 44,879 km (0.092 R)
• M2: 901,626 km (0.091 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.67 AU - 2.85 AU

Year: 1921 Days

Day: 33.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,137,831 km

• M1: 1,874,761 km (0.057 R)

Asteroid Belt

Center: 3.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 8.3

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.8 AU - 4.22 AU

Year: 2755 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,137,831 km

• M1: 105,018 km (0.107 R)
• M2: 566,378 km (0.07 R)
• M3: 949,498 km (0.105 R)
• M4: 2,643,843 km (0.093 R)
• M5: 4,060,834 km (0.097 R)
• M6: 5,330,023 km (0.071 R)
• M7: 5,798,114 km (0.109 R)
• M8: 6,266,804 km (0.085 R)
• M9: 6,620,753 km (0.063 R)
• M10: 7,640,412 km (0.114 R)
• M11: 8,365,214 km (0.052 R)
• M12: 9,626,324 km (0.104 R)
• M13: 10,509,400 km (0.081 R)
• M14: 10,776,881 km (0.077 R)
• M15: 12,649,398 km (0.115 R)
• M16: 14,258,622 km (0.108 R)
• M17: 14,824,251 km (0.052 R)
• M18: 15,453,610 km (0.107 R)
• M19: 16,559,288 km (0.071 R)
• M20: 17,078,841 km (0.058 R)
• M21: 17,342,732 km (0.093 R)
• M22: 18,591,724 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 13.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.45 AU - 6.73 AU

Year: 5537 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,137,831 km

• M1: 183,108 km (0.073 R)
• M2: 1,263,204 km (0.109 R)
• M3: 2,709,217 km (0.098 R)
• M4: 3,358,472 km (0.078 R)
• M5: 4,990,735 km (0.088 R)
• M6: 8,067,514 km (0.093 R)
• M7: 10,099,352 km (0.112 R)
• M8: 10,947,123 km (0.063 R)
• M9: 11,423,144 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.4

Radius: 10

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.59 AU - 7.19 AU

Year: 7577 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,137,831 km

• M1: 127,607 km (0.113 R)
• M2: 492,177 km (0.077 R)
• M3: 1,005,597 km (0.106 R)
• M4: 1,728,603 km (0.046 R)
• M5: 2,506,213 km (0.084 R)
• M6: 2,825,455 km (0.083 R)
• M7: 4,440,214 km (0.118 R)
• M8: 4,882,575 km (0.074 R)
• M9: 5,233,382 km (0.094 R)
• M10: 6,185,124 km (0.104 R)
• M11: 6,561,662 km (0.118 R)
• M12: 8,142,612 km (0.087 R)
• M13: 8,935,630 km (0.1 R)
• M14: 9,417,635 km (0.112 R)
• M15: 11,018,332 km (0.05 R)
• M16: 15,115,818 km (0.111 R)
• M17: 16,247,526 km (0.078 R)
• M18: 16,768,276 km (0.118 R)
• M19: 25,363,721 km (0.078 R)
• M20: 26,420,181 km (0.103 R)
• M21: 27,597,366 km (0.081 R)
• M22: 34,651,205 km (0.039 R)
• M23: 37,508,674 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.5

Radius: 7.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 11.37 AU - 11.69 AU

Year: 16403 Days

Day: 16.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,137,831 km

• M1: 91,853 km (0.073 R)
• M2: 808,427 km (0.114 R)
• M3: 1,181,075 km (0.11 R)
• M4: 1,555,668 km (0.115 R)
• M5: 2,713,107 km (0.101 R)
• M6: 5,365,328 km (0.1 R)
• M7: 6,936,255 km (0.112 R)
• M8: 9,025,240 km (0.063 R)
• M9: 10,777,330 km (0.081 R)
• M10: 12,695,324 km (0.086 R)
• M11: 13,865,329 km (0.08 R)
• M12: 14,128,920 km (0.054 R)
• M13: 16,184,694 km (0.104 R)
• M14: 16,832,453 km (0.057 R)
• M15: 20,948,040 km (0.078 R)
• M16: 21,295,406 km (0.086 R)
• M17: 21,788,032 km (0.048 R)
• M18: 22,072,867 km (0.067 R)
• M19: 23,015,932 km (0.102 R)
• M20: 23,237,336 km (0.104 R)
• M21: 27,470,059 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 11,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit