🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.77 AU - 1.17 AU

Year: 347 Days

Day: 40.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.79 AU - 1.29 AU

Year: 385 Days

Day: 46.8 Hours

Environment

Temp: 42 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.18 AU - 3.28 AU

Year: 1639 Days

Day: 21.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.9

Radius: 13.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.22 AU - 8.16 AU

Year: 6289 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,267,068 km

• M1: 164,258 km (0.112 R)
• M2: 584,329 km (0.046 R)
• M3: 996,023 km (0.072 R)
• M4: 1,706,762 km (0.119 R)
• M5: 2,194,601 km (0.095 R)
• M6: 2,718,941 km (0.11 R)
• M7: 3,852,594 km (0.107 R)
• M8: 4,354,794 km (0.085 R)
• M9: 5,279,907 km (0.091 R)
• M10: 6,230,901 km (0.068 R)
• M11: 7,367,994 km (0.091 R)
• M12: 7,946,639 km (0.116 R)
• M13: 8,472,475 km (0.113 R)
• M14: 9,639,189 km (0.116 R)
• M15: 10,474,843 km (0.105 R)
• M16: 14,131,613 km (0.119 R)
• M17: 15,271,699 km (0.066 R)
• M18: 16,278,642 km (0.059 R)
• M19: 17,262,248 km (0.08 R)
• M20: 18,424,474 km (0.071 R)
• M21: 24,434,867 km (0.099 R)
• M22: 29,575,050 km (0.07 R)
• M23: 30,742,213 km (0.092 R)
• M24: 32,961,647 km (0.105 R)
• M25: 37,155,174 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.4

Radius: 4.8

Gravity: 23.15 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.88 AU - 15.42 AU

Year: 19345 Days

Day: 23.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,267,068 km

• M1: 60,587 km (0.067 R)
• M2: 401,670 km (0.046 R)
• M3: 902,823 km (0.074 R)
• M4: 1,304,045 km (0.07 R)
• M5: 2,407,927 km (0.036 R)
• M6: 3,724,987 km (0.102 R)
• M7: 4,117,382 km (0.105 R)
• M8: 4,878,387 km (0.106 R)
• M9: 6,588,440 km (0.104 R)
• M10: 7,344,507 km (0.091 R)
• M11: 7,577,431 km (0.074 R)
• M12: 8,058,239 km (0.11 R)
• M13: 9,240,810 km (0.112 R)
• M14: 10,711,656 km (0.11 R)
• M15: 10,951,013 km (0.116 R)
• M16: 13,064,083 km (0.094 R)
• M17: 17,082,730 km (0.096 R)
• M18: 19,815,285 km (0.115 R)
• M19: 22,239,369 km (0.08 R)
• M20: 22,825,643 km (0.068 R)
• M21: 23,825,406 km (0.112 R)
• M22: 26,670,159 km (0.108 R)
• M23: 26,889,469 km (0.088 R)
• M24: 33,023,132 km (0.087 R)
• M25: 34,690,250 km (0.057 R)
• M26: 39,598,108 km (0.03 R)
• M27: 41,478,403 km (0.051 R)
• M28: 46,200,310 km (0.119 R)
• M29: 47,474,585 km (0.056 R)
• M30: 50,426,899 km (0.091 R)
• M31: 55,437,081 km (0.096 R)
• M32: 57,786,815 km (0.085 R)
• M33: 58,708,039 km (0.081 R)
• M34: 59,265,440 km (0.079 R)
• M35: 64,441,527 km (0.096 R)
• M36: 67,646,661 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.4

Radius: 7.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 13.37 AU - 17.11 AU

Year: 21623 Days

Day: 20.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,267,068 km

• M1: 95,743 km (0.076 R)
• M2: 385,813 km (0.071 R)
• M3: 718,668 km (0.081 R)
• M4: 1,111,512 km (0.102 R)
• M5: 1,468,901 km (0.097 R)
• M6: 1,742,666 km (0.101 R)
• M7: 2,031,689 km (0.071 R)
• M8: 2,922,095 km (0.099 R)
• M9: 3,305,814 km (0.081 R)
• M10: 4,902,322 km (0.107 R)
• M11: 5,750,991 km (0.051 R)
• M12: 6,313,479 km (0.099 R)
• M13: 6,565,402 km (0.076 R)
• M14: 8,573,753 km (0.048 R)
• M15: 9,040,798 km (0.113 R)
• M16: 9,361,536 km (0.033 R)
• M17: 10,602,899 km (0.111 R)
• M18: 12,078,532 km (0.079 R)
• M19: 13,616,398 km (0.087 R)
• M20: 14,981,778 km (0.079 R)
• M21: 21,361,529 km (0.12 R)
• M22: 22,608,277 km (0.09 R)
• M23: 23,001,570 km (0.091 R)
• M24: 24,413,774 km (0.111 R)
• M25: 28,423,147 km (0.093 R)
• M26: 32,600,218 km (0.075 R)
• M27: 33,228,529 km (0.105 R)
• M28: 35,955,848 km (0.103 R)
• M29: 41,999,004 km (0.066 R)
• M30: 43,344,188 km (0.105 R)
• M31: 46,120,276 km (0.115 R)
• M32: 48,035,577 km (0.105 R)
• M33: 51,175,487 km (0.073 R)
• M34: 58,966,843 km (0.116 R)
• M35: 63,337,644 km (0.08 R)
• M36: 63,727,646 km (0.078 R)
• M37: 64,907,075 km (0.118 R)
• M38: 67,919,528 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 3.8

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 14.04 AU - 18.76 AU

Year: 24138 Days

Day: 19.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,267,068 km

• M1: 47,423 km (0.088 R)
• M2: 178,919 km (0.082 R)
• M3: 445,951 km (0.108 R)
• M4: 623,973 km (0.114 R)
• M5: 743,501 km (0.097 R)
• M6: 1,457,233 km (0.081 R)
• M7: 1,818,661 km (0.09 R)
• M8: 2,084,946 km (0.041 R)
• M9: 2,479,585 km (0.088 R)
• M10: 2,922,245 km (0.118 R)
• M11: 3,546,966 km (0.095 R)
• M12: 5,123,577 km (0.083 R)
• M13: 8,957,621 km (0.111 R)
• M14: 10,477,536 km (0.074 R)
• M15: 11,918,911 km (0.051 R)
• M16: 14,976,841 km (0.118 R)
• M17: 15,688,777 km (0.09 R)
• M18: 16,053,198 km (0.097 R)
• M19: 17,411,397 km (0.036 R)
• M20: 30,795,320 km (0.034 R)
• M21: 35,063,497 km (0.086 R)
• M22: 35,435,996 km (0.101 R)
• M23: 37,080,824 km (0.102 R)
• M24: 38,511,578 km (0.116 R)
• M25: 40,794,741 km (0.114 R)
• M26: 45,628,398 km (0.101 R)
• M27: 52,108,828 km (0.033 R)
• M28: 55,064,433 km (0.03 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 18,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit