🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.75 AU - 0.97 AU

Year: 286 Days

Day: 32.9 Hours

Environment

Temp: 94 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.3 AU - 1.46 AU

Year: 581 Days

Day: 30.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.65 AU - 3.93 AU

Year: 2643 Days

Day: 46.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 10.8

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.51 AU - 6.23 AU

Year: 5094 Days

Day: 11.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,315,897 km

• M1: 134,638 km (0.073 R)
• M2: 537,056 km (0.114 R)
• M3: 1,071,121 km (0.092 R)
• M4: 1,557,763 km (0.051 R)
• M5: 2,328,341 km (0.069 R)
• M6: 3,079,472 km (0.074 R)
• M7: 3,459,750 km (0.112 R)
• M8: 4,413,436 km (0.032 R)
• M9: 4,872,403 km (0.092 R)
• M10: 6,192,005 km (0.081 R)
• M11: 6,834,828 km (0.064 R)
• M12: 9,072,812 km (0.081 R)
• M13: 12,645,807 km (0.096 R)
• M14: 14,548,543 km (0.057 R)
• M15: 18,650,965 km (0.064 R)
• M16: 24,787,918 km (0.063 R)
• M17: 29,850,759 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 13.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.84 AU - 10.8 AU

Year: 9382 Days

Day: 6.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,315,897 km

• M1: 173,384 km (0.109 R)
• M2: 1,112,559 km (0.099 R)
• M3: 2,009,399 km (0.085 R)
• M4: 2,804,062 km (0.086 R)
• M5: 3,644,803 km (0.059 R)
• M6: 7,362,010 km (0.119 R)
• M7: 7,871,391 km (0.11 R)
• M8: 8,819,542 km (0.118 R)
• M9: 10,727,663 km (0.119 R)
• M10: 12,124,758 km (0.073 R)
• M11: 13,327,226 km (0.026 R)
• M12: 13,766,445 km (0.108 R)
• M13: 20,393,780 km (0.116 R)
• M14: 21,573,060 km (0.068 R)
• M15: 30,481,015 km (0.117 R)
• M16: 39,732,596 km (0.096 R)
• M17: 41,171,877 km (0.092 R)
• M18: 47,132,754 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.2

Radius: 14.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.61 AU - 10.49 AU

Year: 11411 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 96,315,897 km

• M1: 180,415 km (0.043 R)
• M2: 999,463 km (0.042 R)
• M3: 2,115,912 km (0.109 R)
• M4: 3,468,127 km (0.074 R)
• M5: 4,184,103 km (0.119 R)
• M6: 6,692,710 km (0.111 R)
• M7: 7,321,170 km (0.058 R)
• M8: 8,127,204 km (0.09 R)
• M9: 8,892,546 km (0.074 R)
• M10: 9,969,800 km (0.038 R)
• M11: 14,952,906 km (0.107 R)
• M12: 17,781,053 km (0.101 R)
• M13: 19,656,562 km (0.093 R)
• M14: 20,338,878 km (0.079 R)
• M15: 22,852,122 km (0.11 R)
• M16: 23,321,859 km (0.088 R)
• M17: 24,086,903 km (0.113 R)
• M18: 24,868,402 km (0.087 R)
• M19: 25,566,276 km (0.094 R)
• M20: 26,792,679 km (0.114 R)
• M21: 29,918,377 km (0.114 R)
• M22: 42,416,232 km (0.101 R)
• M23: 44,716,898 km (0.068 R)
• M24: 48,322,207 km (0.084 R)
• M25: 49,253,005 km (0.079 R)
• M26: 51,793,476 km (0.035 R)
• M27: 52,605,044 km (0.044 R)
• M28: 54,253,463 km (0.083 R)
• M29: 55,427,657 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.3

Radius: 5.4

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 14.94 AU - 18.34 AU

Year: 24311 Days

Day: 16.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,315,897 km

• M1: 71,358 km (0.081 R)
• M2: 270,024 km (0.113 R)
• M3: 516,711 km (0.087 R)
• M4: 863,928 km (0.102 R)
• M5: 1,206,956 km (0.082 R)
• M6: 1,781,860 km (0.084 R)
• M7: 3,632,535 km (0.104 R)
• M8: 3,818,486 km (0.065 R)
• M9: 4,311,560 km (0.114 R)
• M10: 4,627,062 km (0.099 R)
• M11: 7,731,667 km (0.082 R)
• M12: 9,015,516 km (0.088 R)
• M13: 10,876,064 km (0.099 R)
• M14: 15,255,991 km (0.076 R)
• M15: 15,659,905 km (0.09 R)
• M16: 16,320,978 km (0.12 R)
• M17: 16,743,592 km (0.06 R)
• M18: 18,966,317 km (0.095 R)
• M19: 21,078,639 km (0.101 R)
• M20: 23,556,279 km (0.081 R)
• M21: 26,452,045 km (0.026 R)
• M22: 28,834,840 km (0.087 R)
• M23: 29,080,779 km (0.079 R)
• M24: 29,452,230 km (0.082 R)
• M25: 31,878,558 km (0.031 R)
• M26: 35,550,887 km (0.113 R)
• M27: 36,260,579 km (0.084 R)
• M28: 36,547,059 km (0.115 R)
• M29: 45,527,120 km (0.118 R)
• M30: 47,895,553 km (0.081 R)
• M31: 52,876,415 km (0.116 R)
• M32: 72,105,126 km (0.054 R)
• M33: 76,486,250 km (0.059 R)
• M34: 79,825,573 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.8

Radius: 4.8

Gravity: 33.45 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.12 AU - 18.44 AU

Year: 26852 Days

Day: 19.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,315,897 km

• M1: 66,272 km (0.078 R)
• M2: 291,267 km (0.107 R)
• M3: 476,619 km (0.088 R)
• M4: 876,943 km (0.038 R)
• M5: 1,112,859 km (0.104 R)
• M6: 1,308,832 km (0.093 R)
• M7: 1,674,599 km (0.083 R)
• M8: 2,127,731 km (0.098 R)
• M9: 2,456,247 km (0.119 R)
• M10: 3,910,040 km (0.059 R)
• M11: 4,439,317 km (0.105 R)
• M12: 4,975,027 km (0.116 R)
• M13: 5,725,709 km (0.048 R)
• M14: 6,220,130 km (0.048 R)
• M15: 7,293,495 km (0.074 R)
• M16: 7,448,927 km (0.037 R)
• M17: 8,889,704 km (0.108 R)
• M18: 9,551,674 km (0.081 R)
• M19: 10,310,584 km (0.077 R)
• M20: 13,829,725 km (0.108 R)
• M21: 17,420,672 km (0.096 R)
• M22: 18,646,776 km (0.079 R)
• M23: 20,335,587 km (0.091 R)
• M24: 21,481,057 km (0.117 R)
• M25: 28,880,617 km (0.069 R)
• M26: 35,391,715 km (0.073 R)
• M27: 36,740,788 km (0.066 R)
• M28: 41,815,447 km (0.092 R)
• M29: 42,147,255 km (0.109 R)
• M30: 46,090,506 km (0.11 R)
• M31: 52,167,321 km (0.064 R)
• M32: 52,744,918 km (0.101 R)
• M33: 55,296,908 km (0.109 R)
• M34: 64,986,961 km (0.114 R)
• M35: 65,879,462 km (0.059 R)
• M36: 70,230,516 km (0.081 R)
• M37: 86,021,917 km (0.065 R)
• M38: 88,182,110 km (0.057 R)
• M39: 94,024,207 km (0.115 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 15,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit