🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.15 AU - 1.35 AU

Year: 535 Days

Day: 14.9 Hours

Environment

Temp: -34 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,307,915 km

• M1: 203,004 km (0.109 R)
• M2: 380,727 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.07 AU - 1.57 AU

Year: 581 Days

Day: 46.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.56 AU - 1.56 AU

Year: 746 Days

Day: 33.8 Hours

Environment

Temp: -50 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.19 AU - 2.23 AU

Year: 1258 Days

Day: 22.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.87 AU - 3.53 AU

Year: 2192 Days

Day: 25.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,307,915 km

• M1: 641,476 km (0.098 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 8.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.2 AU - 4.48 AU

Year: 3462 Days

Day: 14.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,307,915 km

• M1: 126,560 km (0.12 R)
• M2: 530,324 km (0.098 R)
• M3: 2,009,099 km (0.101 R)
• M4: 2,560,966 km (0.085 R)
• M5: 3,261,084 km (0.052 R)
• M6: 3,574,641 km (0.108 R)
• M7: 4,043,930 km (0.111 R)
• M8: 4,660,572 km (0.072 R)
• M9: 5,059,998 km (0.104 R)
• M10: 5,701,624 km (0.093 R)
• M11: 6,369,877 km (0.103 R)
• M12: 7,262,677 km (0.094 R)
• M13: 7,558,283 km (0.111 R)
• M14: 8,955,228 km (0.118 R)
• M15: 9,786,094 km (0.086 R)
• M16: 12,757,108 km (0.077 R)
• M17: 13,407,260 km (0.106 R)
• M18: 14,773,987 km (0.087 R)
• M19: 15,297,579 km (0.08 R)
• M20: 15,735,153 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 10.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.98 AU - 11.2 AU

Year: 13195 Days

Day: 11.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,307,915 km

• M1: 128,355 km (0.102 R)
• M2: 490,083 km (0.098 R)
• M3: 919,429 km (0.106 R)
• M4: 1,808,339 km (0.09 R)
• M5: 2,209,411 km (0.073 R)
• M6: 2,755,593 km (0.113 R)
• M7: 3,763,284 km (0.112 R)
• M8: 5,798,713 km (0.099 R)
• M9: 6,905,288 km (0.063 R)
• M10: 7,303,817 km (0.109 R)
• M11: 7,647,742 km (0.083 R)
• M12: 8,442,406 km (0.091 R)
• M13: 14,409,417 km (0.084 R)
• M14: 16,719,507 km (0.106 R)
• M15: 18,306,441 km (0.108 R)
• M16: 20,530,064 km (0.092 R)
• M17: 23,518,132 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.8

Radius: 6.1

Gravity: 26.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 10.32 AU - 13.3 AU

Year: 15540 Days

Day: 24.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,307,915 km

• M1: 83,326 km (0.104 R)
• M2: 355,744 km (0.092 R)
• M3: 637,137 km (0.114 R)
• M4: 888,611 km (0.084 R)
• M5: 1,612,665 km (0.1 R)
• M6: 1,951,055 km (0.089 R)
• M7: 2,147,627 km (0.06 R)
• M8: 2,604,200 km (0.077 R)
• M9: 2,794,189 km (0.066 R)
• M10: 3,096,975 km (0.065 R)
• M11: 3,708,830 km (0.106 R)
• M12: 4,332,055 km (0.116 R)
• M13: 4,843,680 km (0.061 R)
• M14: 6,151,614 km (0.115 R)
• M15: 10,184,174 km (0.065 R)
• M16: 11,461,590 km (0.095 R)
• M17: 12,303,826 km (0.083 R)
• M18: 13,256,316 km (0.078 R)
• M19: 13,893,902 km (0.083 R)
• M20: 21,339,837 km (0.119 R)
• M21: 21,823,038 km (0.108 R)
• M22: 22,511,787 km (0.077 R)
• M23: 22,911,961 km (0.031 R)
• M24: 26,395,198 km (0.053 R)
• M25: 36,133,570 km (0.114 R)
• M26: 40,973,211 km (0.038 R)
• M27: 43,393,256 km (0.114 R)
• M28: 49,519,139 km (0.111 R)
• M29: 53,670,929 km (0.108 R)
• M30: 56,380,296 km (0.05 R)
• M31: 58,990,031 km (0.064 R)
• M32: 61,679,202 km (0.062 R)
• M33: 64,649,917 km (0.118 R)
• M34: 68,339,000 km (0.101 R)
• M35: 70,235,153 km (0.09 R)
• M36: 71,949,694 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 3.2

Gravity: 28.6 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.94 AU - 19.9 AU

Year: 24321 Days

Day: 15.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,307,915 km

• M1: 41,289 km (0.09 R)
• M2: 327,619 km (0.107 R)
• M3: 466,596 km (0.053 R)
• M4: 803,191 km (0.117 R)
• M5: 1,096,702 km (0.088 R)
• M6: 1,534,874 km (0.037 R)
• M7: 2,984,627 km (0.055 R)
• M8: 3,649,590 km (0.051 R)
• M9: 4,062,330 km (0.114 R)
• M10: 5,714,040 km (0.107 R)
• M11: 6,517,830 km (0.12 R)
• M12: 8,799,945 km (0.036 R)
• M13: 9,756,773 km (0.043 R)
• M14: 12,972,978 km (0.104 R)
• M15: 13,997,274 km (0.119 R)
• M16: 14,709,211 km (0.099 R)
• M17: 16,282,232 km (0.078 R)
• M18: 18,975,293 km (0.054 R)
• M19: 21,950,496 km (0.119 R)
• M20: 24,912,085 km (0.057 R)
• M21: 25,955,530 km (0.097 R)
• M22: 27,136,605 km (0.106 R)
• M23: 30,069,621 km (0.052 R)
• M24: 31,854,323 km (0.118 R)
• M25: 44,518,232 km (0.115 R)
• M26: 46,674,984 km (0.08 R)
• M27: 55,120,083 km (0.093 R)
• M28: 63,369,359 km (0.073 R)
• M29: 65,112,324 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit