🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.7 AU - 0.82 AU

Year: 251 Days

Day: 31.8 Hours

Environment

Temp: 103 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,950,778 km

• M1: 66,571 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.78 AU - 1.16 AU

Year: 362 Days

Day: 13.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,950,778 km

• M1: 31,565 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.8 AU - 1.22 AU

Year: 384 Days

Day: 26.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.01 AU - 1.27 AU

Year: 461 Days

Day: 25.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.73 AU - 3.33 AU

Year: 1998 Days

Day: 37.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,950,778 km

• M1: 2,329,987 km (0.049 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 12.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.57 AU - 5.31 AU

Year: 3543 Days

Day: 10.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,950,778 km

• M1: 154,235 km (0.039 R)
• M2: 1,066,034 km (0.055 R)
• M3: 2,315,476 km (0.061 R)
• M4: 2,718,792 km (0.098 R)
• M5: 3,222,637 km (0.119 R)
• M6: 3,631,189 km (0.091 R)
• M7: 4,531,469 km (0.096 R)
• M8: 7,901,610 km (0.07 R)
• M9: 8,827,621 km (0.091 R)
• M10: 9,261,754 km (0.091 R)
• M11: 9,786,394 km (0.112 R)
• M12: 10,854,223 km (0.119 R)
• M13: 13,742,360 km (0.109 R)
• M14: 14,130,117 km (0.039 R)
• M15: 14,775,782 km (0.063 R)
• M16: 15,913,324 km (0.057 R)
• M17: 16,721,751 km (0.096 R)
• M18: 19,131,623 km (0.112 R)
• M19: 21,439,020 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 10.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.21 AU - 6.11 AU

Year: 4439 Days

Day: 9 Hours

Environment

Temp: -143 °C

Axial Tilt: 165.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,950,778 km

• M1: 128,056 km (0.088 R)
• M2: 617,989 km (0.048 R)
• M3: 946,805 km (0.081 R)
• M4: 1,272,330 km (0.1 R)
• M5: 1,625,530 km (0.103 R)
• M6: 2,470,758 km (0.11 R)
• M7: 3,029,506 km (0.092 R)
• M8: 3,800,534 km (0.099 R)
• M9: 4,208,936 km (0.115 R)
• M10: 4,773,668 km (0.087 R)
• M11: 6,268,001 km (0.045 R)
• M12: 7,622,012 km (0.087 R)
• M13: 9,322,042 km (0.057 R)
• M14: 12,645,957 km (0.043 R)
• M15: 16,390,392 km (0.059 R)
• M16: 17,048,772 km (0.093 R)
• M17: 17,415,287 km (0.041 R)
• M18: 21,873,453 km (0.068 R)
• M19: 22,892,663 km (0.093 R)
• M20: 23,489,110 km (0.106 R)
• M21: 24,172,323 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 12.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.58 AU - 7.92 AU

Year: 7394 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,950,778 km

• M1: 153,039 km (0.09 R)
• M2: 704,905 km (0.116 R)
• M3: 1,310,328 km (0.11 R)
• M4: 1,746,555 km (0.109 R)
• M5: 2,346,293 km (0.117 R)
• M6: 4,083,573 km (0.06 R)
• M7: 5,965,514 km (0.117 R)
• M8: 6,797,877 km (0.1 R)
• M9: 7,333,437 km (0.048 R)
• M10: 10,728,411 km (0.111 R)
• M11: 11,258,736 km (0.115 R)
• M12: 11,655,320 km (0.093 R)
• M13: 12,424,253 km (0.04 R)
• M14: 15,841,966 km (0.119 R)
• M15: 16,914,283 km (0.114 R)
• M16: 18,784,855 km (0.096 R)
• M17: 20,348,602 km (0.082 R)
• M18: 22,229,047 km (0.057 R)
• M19: 23,652,919 km (0.089 R)
• M20: 24,058,928 km (0.101 R)
• M21: 28,654,724 km (0.105 R)
• M22: 33,497,955 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571

Radius: 4.3

Gravity: 30.88 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 16.33 AU - 20.21 AU

Year: 29577 Days

Day: 20.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,950,778 km

• M1: 55,351 km (0.115 R)
• M2: 1,042,697 km (0.107 R)
• M3: 1,762,712 km (0.085 R)
• M4: 2,136,706 km (0.083 R)
• M5: 2,272,541 km (0.117 R)
• M6: 2,438,296 km (0.104 R)
• M7: 2,794,339 km (0.082 R)
• M8: 3,672,628 km (0.05 R)
• M9: 3,934,873 km (0.073 R)
• M10: 4,387,706 km (0.072 R)
• M11: 7,752,910 km (0.087 R)
• M12: 10,521,069 km (0.071 R)
• M13: 11,117,067 km (0.092 R)
• M14: 14,278,818 km (0.119 R)
• M15: 17,076,896 km (0.04 R)
• M16: 23,727,419 km (0.096 R)
• M17: 34,295,611 km (0.098 R)
• M18: 36,489,913 km (0.056 R)
• M19: 39,401,536 km (0.088 R)
• M20: 39,716,739 km (0.093 R)
• M21: 45,508,420 km (0.081 R)
• M22: 46,204,200 km (0.084 R)
• M23: 50,900,227 km (0.102 R)
• M24: 58,730,030 km (0.098 R)
• M25: 58,935,428 km (0.092 R)
• M26: 60,805,700 km (0.075 R)
• M27: 65,543,165 km (0.054 R)
• M28: 65,764,122 km (0.074 R)
• M29: 67,550,171 km (0.114 R)
• M30: 69,597,567 km (0.071 R)
• M31: 73,577,319 km (0.075 R)
• M32: 74,055,284 km (0.104 R)
• M33: 79,701,258 km (0.088 R)
• M34: 80,458,223 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 19,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit