🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.72 AU - 1.16 AU

Year: 323 Days

Day: 44.9 Hours

Environment

Temp: 100 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1 AU - 1.24 AU

Year: 420 Days

Day: 40.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.27 AU - 1.35 AU

Year: 532 Days

Day: 24.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.12 AU - 2.5 AU

Year: 1246 Days

Day: 32.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.64 AU - 5.3 AU

Year: 3353 Days

Day: 28.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 14.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.46 AU - 9.46 AU

Year: 9515 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 112,770,525 km

• M1: 180,415 km (0.09 R)
• M2: 858,542 km (0.101 R)
• M3: 1,633,160 km (0.097 R)
• M4: 2,451,460 km (0.095 R)
• M5: 3,261,832 km (0.112 R)
• M6: 4,297,498 km (0.112 R)
• M7: 11,855,482 km (0.12 R)
• M8: 12,613,045 km (0.045 R)
• M9: 24,398,366 km (0.088 R)
• M10: 26,617,500 km (0.1 R)
• M11: 29,748,883 km (0.106 R)
• M12: 32,071,540 km (0.115 R)
• M13: 33,971,881 km (0.106 R)
• M14: 34,840,147 km (0.051 R)
• M15: 40,605,799 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 10.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.85 AU - 13.37 AU

Year: 13137 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 112,770,525 km

• M1: 164,707 km (0.118 R)
• M2: 880,683 km (0.12 R)
• M3: 1,378,096 km (0.095 R)
• M4: 4,278,798 km (0.077 R)
• M5: 5,243,256 km (0.107 R)
• M6: 6,615,068 km (0.069 R)
• M7: 8,353,695 km (0.111 R)
• M8: 15,426,233 km (0.071 R)
• M9: 20,191,374 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 12.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 9.91 AU - 14.93 AU

Year: 15528 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 112,770,525 km

• M1: 153,338 km (0.065 R)
• M2: 617,989 km (0.11 R)
• M3: 1,075,758 km (0.083 R)
• M4: 1,491,341 km (0.045 R)
• M5: 2,997,493 km (0.095 R)
• M6: 3,554,296 km (0.077 R)
• M7: 4,403,563 km (0.109 R)
• M8: 6,632,721 km (0.073 R)
• M9: 7,302,470 km (0.103 R)
• M10: 7,822,024 km (0.06 R)
• M11: 15,977,801 km (0.086 R)
• M12: 17,430,246 km (0.077 R)
• M13: 19,771,453 km (0.081 R)
• M14: 22,511,787 km (0.097 R)
• M15: 26,915,798 km (0.102 R)
• M16: 28,618,821 km (0.054 R)
• M17: 31,491,249 km (0.105 R)
• M18: 33,124,858 km (0.104 R)
• M19: 40,372,576 km (0.108 R)
• M20: 42,600,986 km (0.051 R)
• M21: 50,113,492 km (0.087 R)
• M22: 52,859,809 km (0.07 R)
• M23: 54,092,346 km (0.064 R)
• M24: 54,805,180 km (0.086 R)
• M25: 60,352,718 km (0.111 R)
• M26: 63,065,226 km (0.113 R)
• M27: 66,466,932 km (0.094 R)
• M28: 68,316,560 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117

Radius: 3.1

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 15.29 AU - 16.11 AU

Year: 22069 Days

Day: 23.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 112,770,525 km

• M1: 38,596 km (0.109 R)
• M2: 511,625 km (0.073 R)
• M3: 934,987 km (0.115 R)
• M4: 2,856,871 km (0.062 R)
• M5: 4,365,864 km (0.065 R)
• M6: 5,177,134 km (0.099 R)
• M7: 5,501,611 km (0.04 R)
• M8: 5,635,053 km (0.119 R)
• M9: 6,935,806 km (0.115 R)
• M10: 7,131,031 km (0.086 R)
• M11: 13,707,204 km (0.11 R)
• M12: 14,579,360 km (0.114 R)
• M13: 14,964,275 km (0.115 R)
• M14: 15,488,017 km (0.104 R)
• M15: 20,124,803 km (0.113 R)
• M16: 22,927,519 km (0.119 R)
• M17: 23,798,927 km (0.062 R)
• M18: 26,735,084 km (0.108 R)
• M19: 27,699,991 km (0.033 R)
• M20: 32,221,885 km (0.096 R)
• M21: 33,093,592 km (0.069 R)
• M22: 34,317,752 km (0.047 R)
• M23: 37,211,423 km (0.075 R)
• M24: 39,269,441 km (0.114 R)
• M25: 42,172,687 km (0.114 R)
• M26: 44,542,317 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.1

Radius: 5.5

Gravity: 31.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 17.21 AU - 21.91 AU

Year: 30690 Days

Day: 16.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 112,770,525 km

• M1: 68,665 km (0.031 R)
• M2: 268,079 km (0.116 R)
• M3: 448,794 km (0.102 R)
• M4: 747,840 km (0.103 R)
• M5: 1,439,580 km (0.119 R)
• M6: 3,624,607 km (0.061 R)
• M7: 4,267,578 km (0.062 R)
• M8: 4,777,258 km (0.102 R)
• M9: 5,153,347 km (0.084 R)
• M10: 6,059,312 km (0.072 R)
• M11: 6,857,118 km (0.045 R)
• M12: 8,240,599 km (0.112 R)
• M13: 8,659,174 km (0.118 R)
• M14: 9,999,870 km (0.055 R)
• M15: 13,246,742 km (0.069 R)
• M16: 14,071,774 km (0.073 R)
• M17: 14,496,931 km (0.074 R)
• M18: 14,930,615 km (0.081 R)
• M19: 19,966,977 km (0.115 R)
• M20: 27,583,603 km (0.1 R)
• M21: 32,029,951 km (0.117 R)
• M22: 33,662,363 km (0.11 R)
• M23: 35,819,116 km (0.116 R)
• M24: 39,057,461 km (0.057 R)
• M25: 47,995,934 km (0.115 R)
• M26: 51,721,369 km (0.094 R)
• M27: 52,326,642 km (0.116 R)
• M28: 52,732,801 km (0.105 R)
• M29: 55,004,295 km (0.103 R)
• M30: 57,340,265 km (0.069 R)
• M31: 57,555,836 km (0.082 R)
• M32: 60,185,019 km (0.101 R)
• M33: 63,122,522 km (0.032 R)
• M34: 71,005,732 km (0.111 R)
• M35: 72,254,575 km (0.064 R)
• M36: 75,569,963 km (0.116 R)
• M37: 82,228,265 km (0.054 R)
• M38: 88,689,546 km (0.095 R)
• M39: 93,080,693 km (0.05 R)
• M40: 96,087,460 km (0.08 R)
• M41: 97,307,880 km (0.069 R)
• M42: 110,754,036 km (0.079 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 17,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit