🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.56 AU - 0.84 AU

Year: 216 Days

Day: 26.4 Hours

Environment

Temp: 132 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.52 AU - 2.24 AU

Year: 951 Days

Day: 42.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.85 AU - 4.29 AU

Year: 2489 Days

Day: 17.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 8.4

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.55 AU - 5.77 AU

Year: 3712 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,668,222 km

• M1: 108,309 km (0.076 R)
• M2: 581,487 km (0.104 R)
• M3: 1,083,986 km (0.094 R)
• M4: 1,538,315 km (0.096 R)
• M5: 2,401,195 km (0.103 R)
• M6: 3,574,791 km (0.07 R)
• M7: 6,601,904 km (0.102 R)
• M8: 7,805,568 km (0.055 R)
• M9: 8,388,850 km (0.069 R)
• M10: 10,640,897 km (0.074 R)
• M11: 12,107,105 km (0.095 R)
• M12: 13,605,777 km (0.104 R)
• M13: 13,899,886 km (0.115 R)
• M14: 14,501,120 km (0.097 R)
• M15: 14,859,706 km (0.035 R)
• M16: 16,967,241 km (0.06 R)
• M17: 18,240,020 km (0.039 R)
• M18: 19,389,679 km (0.109 R)
• M19: 19,762,477 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 9.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.17 AU - 5.51 AU

Year: 3929 Days

Day: 5.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,668,222 km

• M1: 119,379 km (0.106 R)
• M2: 418,575 km (0.086 R)
• M3: 776,563 km (0.097 R)
• M4: 1,414,897 km (0.068 R)
• M5: 2,085,993 km (0.076 R)
• M6: 4,482,850 km (0.079 R)
• M7: 6,639,453 km (0.1 R)
• M8: 7,440,400 km (0.062 R)
• M9: 8,441,060 km (0.066 R)
• M10: 10,483,520 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 11.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.45 AU - 7.07 AU

Year: 5779 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,668,222 km

• M1: 143,016 km (0.12 R)
• M2: 589,416 km (0.116 R)
• M3: 1,205,908 km (0.051 R)
• M4: 2,347,041 km (0.062 R)
• M5: 2,780,276 km (0.099 R)
• M6: 3,531,108 km (0.103 R)
• M7: 4,388,005 km (0.092 R)
• M8: 5,434,442 km (0.115 R)
• M9: 8,967,495 km (0.088 R)
• M10: 11,324,260 km (0.112 R)
• M11: 11,936,713 km (0.087 R)
• M12: 14,719,982 km (0.105 R)
• M13: 16,203,245 km (0.041 R)
• M14: 17,410,499 km (0.104 R)
• M15: 18,226,705 km (0.087 R)
• M16: 27,591,831 km (0.106 R)
• M17: 29,486,339 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.6

Radius: 12.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.38 AU - 11.74 AU

Year: 10906 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,668,222 km

• M1: 186,698 km (0.105 R)
• M2: 664,514 km (0.054 R)
• M3: 1,363,884 km (0.087 R)
• M4: 2,766,214 km (0.091 R)
• M5: 3,379,266 km (0.095 R)
• M6: 3,837,185 km (0.114 R)
• M7: 4,572,459 km (0.074 R)
• M8: 5,332,715 km (0.093 R)
• M9: 5,993,040 km (0.077 R)
• M10: 6,707,221 km (0.083 R)
• M11: 8,672,637 km (0.088 R)
• M12: 11,051,244 km (0.049 R)
• M13: 12,659,421 km (0.088 R)
• M14: 20,669,938 km (0.089 R)
• M15: 21,862,831 km (0.082 R)
• M16: 23,281,617 km (0.087 R)
• M17: 30,433,443 km (0.118 R)
• M18: 43,711,301 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.6

Radius: 6.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 14.85 AU - 24.17 AU

Year: 31795 Days

Day: 21.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,668,222 km

• M1: 131,497 km (0.063 R)
• M2: 538,852 km (0.113 R)
• M3: 781,948 km (0.048 R)
• M4: 1,532,331 km (0.06 R)
• M5: 4,979,814 km (0.075 R)
• M6: 6,601,455 km (0.063 R)
• M7: 6,925,783 km (0.078 R)
• M8: 7,309,502 km (0.072 R)
• M9: 10,780,322 km (0.108 R)
• M10: 12,168,590 km (0.063 R)
• M11: 14,352,719 km (0.097 R)
• M12: 20,243,733 km (0.115 R)
• M13: 31,293,331 km (0.027 R)
• M14: 31,945,429 km (0.07 R)
• M15: 35,623,891 km (0.111 R)
• M16: 36,910,133 km (0.043 R)
• M17: 38,375,295 km (0.049 R)
• M18: 40,645,143 km (0.11 R)
• M19: 48,334,773 km (0.106 R)
• M20: 48,856,121 km (0.059 R)
• M21: 70,220,493 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 19,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit