🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.45 AU - 0.55 AU

Year: 125 Days

Day: 27.7 Hours

Environment

Temp: 287 °C

Axial Tilt: 28.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,739,419 km

• M1: 113,395 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.71 AU - 0.91 AU

Year: 257 Days

Day: 22.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 42.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.93 AU - 1.53 AU

Year: 482 Days

Day: 23.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 19.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.21 AU - 1.71 AU

Year: 623 Days

Day: 28.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.04 AU - 5.9 AU

Year: 3912 Days

Day: 43.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 9.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.73 AU - 13.09 AU

Year: 12724 Days

Day: 5.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 104,739,419 km

• M1: 123,568 km (0.044 R)
• M2: 804,089 km (0.098 R)
• M3: 2,140,446 km (0.066 R)
• M4: 3,613,985 km (0.096 R)
• M5: 4,652,643 km (0.091 R)
• M6: 5,706,411 km (0.054 R)
• M7: 6,873,274 km (0.066 R)
• M8: 10,684,430 km (0.066 R)
• M9: 11,433,466 km (0.082 R)
• M10: 14,332,523 km (0.083 R)
• M11: 17,615,748 km (0.106 R)
• M12: 19,353,776 km (0.117 R)
• M13: 21,203,254 km (0.105 R)
• M14: 27,454,949 km (0.101 R)
• M15: 30,519,462 km (0.107 R)
• M16: 34,950,251 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.3

Radius: 6.8

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 14.66 AU - 21.54 AU

Year: 27190 Days

Day: 19.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 104,739,419 km

• M1: 84,822 km (0.058 R)
• M2: 427,252 km (0.093 R)
• M3: 644,168 km (0.044 R)
• M4: 937,380 km (0.041 R)
• M5: 1,399,787 km (0.027 R)
• M6: 1,879,697 km (0.103 R)
• M7: 3,785,425 km (0.057 R)
• M8: 6,051,683 km (0.12 R)
• M9: 10,673,060 km (0.12 R)
• M10: 13,410,701 km (0.071 R)
• M11: 13,723,510 km (0.111 R)
• M12: 16,228,078 km (0.083 R)
• M13: 21,796,559 km (0.083 R)
• M14: 23,224,022 km (0.052 R)
• M15: 24,132,829 km (0.117 R)
• M16: 25,301,937 km (0.099 R)
• M17: 28,005,918 km (0.086 R)
• M18: 29,165,601 km (0.068 R)
• M19: 34,270,479 km (0.095 R)
• M20: 38,350,611 km (0.085 R)
• M21: 40,915,167 km (0.047 R)
• M22: 42,072,157 km (0.116 R)
• M23: 43,762,763 km (0.099 R)
• M24: 46,739,910 km (0.074 R)
• M25: 52,125,284 km (0.104 R)
• M26: 56,679,641 km (0.099 R)
• M27: 60,849,682 km (0.097 R)
• M28: 62,139,365 km (0.069 R)
• M29: 66,118,070 km (0.048 R)
• M30: 68,169,506 km (0.085 R)
• M31: 70,028,409 km (0.111 R)
• M32: 71,444,502 km (0.038 R)
• M33: 76,302,843 km (0.11 R)
• M34: 78,054,035 km (0.089 R)
• M35: 78,812,646 km (0.089 R)
• M36: 85,059,405 km (0.066 R)
• M37: 87,212,866 km (0.069 R)
• M38: 87,756,804 km (0.088 R)
• M39: 92,190,436 km (0.1 R)
• M40: 94,176,198 km (0.103 R)
• M41: 95,323,763 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.2

Radius: 4.5

Gravity: 45.15 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 16.04 AU - 20.84 AU

Year: 27960 Days

Day: 16.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 104,739,419 km

• M1: 160,668 km (0.117 R)
• M2: 445,802 km (0.113 R)
• M3: 626,665 km (0.092 R)
• M4: 1,053,468 km (0.092 R)
• M5: 1,503,159 km (0.074 R)
• M6: 1,731,147 km (0.103 R)
• M7: 2,329,388 km (0.094 R)
• M8: 2,968,022 km (0.104 R)
• M9: 3,716,310 km (0.099 R)
• M10: 4,429,892 km (0.104 R)
• M11: 7,484,082 km (0.054 R)
• M12: 8,973,329 km (0.113 R)
• M13: 11,204,432 km (0.087 R)
• M14: 12,907,304 km (0.081 R)
• M15: 15,996,500 km (0.109 R)
• M16: 20,165,643 km (0.074 R)
• M17: 21,013,714 km (0.112 R)
• M18: 21,885,420 km (0.072 R)
• M19: 41,962,352 km (0.098 R)
• M20: 54,259,148 km (0.049 R)
• M21: 54,461,853 km (0.032 R)
• M22: 62,992,821 km (0.039 R)
• M23: 69,466,818 km (0.056 R)
• M24: 73,110,723 km (0.116 R)
• M25: 78,682,646 km (0.119 R)
• M26: 104,739,453 km (0.102 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 10,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit