🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.93 AU - 1.01 AU

Year: 362 Days

Day: 43.1 Hours

Environment

Temp: 21 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,033,452 km

• M1: 19,298 km (0.049 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.24 AU - 1.34 AU

Year: 555 Days

Day: 23.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.12 AU - 3.04 AU

Year: 1570 Days

Day: 40.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,033,452 km

• M1: 34,408 km (0.045 R)
• M2: 1,054,515 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.95 AU - 4.45 AU

Year: 2696 Days

Day: 29.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 14.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.81 AU - 5.67 AU

Year: 4543 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,033,452 km

• M1: 180,415 km (0.094 R)
• M2: 695,780 km (0.097 R)
• M3: 1,205,160 km (0.114 R)
• M4: 1,684,771 km (0.094 R)
• M5: 2,942,740 km (0.115 R)
• M6: 5,351,116 km (0.108 R)
• M7: 6,288,197 km (0.043 R)
• M8: 6,812,388 km (0.096 R)
• M9: 15,602,160 km (0.046 R)
• M10: 17,212,282 km (0.118 R)
• M11: 18,304,197 km (0.079 R)
• M12: 20,093,986 km (0.112 R)
• M13: 23,649,778 km (0.107 R)
• M14: 26,797,317 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 13.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.89 AU - 5.73 AU

Year: 4634 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,033,452 km

• M1: 169,943 km (0.103 R)
• M2: 717,920 km (0.071 R)
• M3: 1,703,770 km (0.117 R)
• M4: 2,466,270 km (0.112 R)
• M5: 4,954,831 km (0.07 R)
• M6: 5,710,600 km (0.115 R)
• M7: 6,866,393 km (0.11 R)
• M8: 8,038,342 km (0.034 R)
• M9: 12,401,813 km (0.099 R)
• M10: 14,781,766 km (0.071 R)
• M11: 16,348,055 km (0.054 R)
• M12: 17,678,728 km (0.101 R)
• M13: 21,906,514 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 12.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.73 AU - 7.43 AU

Year: 5678 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,033,452 km

• M1: 153,039 km (0.105 R)
• M2: 618,138 km (0.063 R)
• M3: 1,185,264 km (0.103 R)
• M4: 1,728,304 km (0.077 R)
• M5: 2,571,887 km (0.086 R)
• M6: 3,496,252 km (0.089 R)
• M7: 4,361,227 km (0.052 R)
• M8: 5,746,802 km (0.042 R)
• M9: 8,348,459 km (0.096 R)
• M10: 8,798,898 km (0.116 R)
• M11: 10,728,112 km (0.105 R)
• M12: 12,797,948 km (0.094 R)
• M13: 13,572,865 km (0.102 R)
• M14: 15,695,360 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.6

Radius: 3

Gravity: 102.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 11.94 AU - 16.36 AU

Year: 20160 Days

Day: 24.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,033,452 km

• M1: 38,895 km (0.078 R)
• M2: 305,180 km (0.052 R)
• M3: 409,150 km (0.103 R)
• M4: 571,165 km (0.07 R)
• M5: 997,668 km (0.114 R)
• M6: 1,292,526 km (0.052 R)
• M7: 1,588,729 km (0.039 R)
• M8: 1,848,880 km (0.096 R)
• M9: 2,072,529 km (0.113 R)
• M10: 2,382,795 km (0.104 R)
• M11: 3,039,829 km (0.056 R)
• M12: 3,178,955 km (0.057 R)
• M13: 4,483,598 km (0.12 R)
• M14: 5,155,143 km (0.106 R)
• M15: 5,514,926 km (0.076 R)
• M16: 6,195,297 km (0.115 R)
• M17: 7,771,909 km (0.062 R)
• M18: 9,420,328 km (0.038 R)
• M19: 13,021,148 km (0.064 R)
• M20: 13,837,055 km (0.099 R)
• M21: 14,141,936 km (0.113 R)
• M22: 16,831,107 km (0.087 R)
• M23: 17,004,192 km (0.092 R)
• M24: 19,175,455 km (0.108 R)
• M25: 23,731,009 km (0.059 R)
• M26: 24,832,798 km (0.099 R)
• M27: 25,510,027 km (0.102 R)
• M28: 26,901,288 km (0.118 R)
• M29: 34,481,860 km (0.036 R)
• M30: 40,513,048 km (0.086 R)
• M31: 45,345,957 km (0.118 R)
• M32: 47,900,341 km (0.104 R)
• M33: 55,559,452 km (0.05 R)
• M34: 69,178,394 km (0.062 R)
• M35: 69,845,451 km (0.119 R)
• M36: 74,401,603 km (0.049 R)
• M37: 74,634,527 km (0.084 R)
• M38: 78,426,833 km (0.052 R)
• M39: 79,881,523 km (0.113 R)
• M40: 81,848,885 km (0.119 R)
• M41: 84,353,153 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.7

Radius: 3

Gravity: 89.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 14.41 AU - 16.47 AU

Year: 22978 Days

Day: 16.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,033,452 km

• M1: 60,438 km (0.107 R)
• M2: 244,293 km (0.114 R)
• M3: 500,854 km (0.065 R)
• M4: 699,819 km (0.047 R)
• M5: 1,496,428 km (0.054 R)
• M6: 1,887,327 km (0.109 R)
• M7: 2,684,235 km (0.118 R)
• M8: 3,345,607 km (0.042 R)
• M9: 3,842,571 km (0.093 R)
• M10: 4,177,221 km (0.112 R)
• M11: 4,715,026 km (0.062 R)
• M12: 5,970,002 km (0.057 R)
• M13: 6,281,315 km (0.029 R)
• M14: 7,584,462 km (0.103 R)
• M15: 7,844,015 km (0.116 R)
• M16: 9,290,477 km (0.117 R)
• M17: 9,408,509 km (0.044 R)
• M18: 13,512,128 km (0.111 R)
• M19: 14,047,988 km (0.078 R)
• M20: 15,824,313 km (0.11 R)
• M21: 16,162,704 km (0.074 R)
• M22: 16,333,544 km (0.08 R)
• M23: 16,941,360 km (0.036 R)
• M24: 19,427,228 km (0.046 R)
• M25: 20,207,830 km (0.04 R)
• M26: 20,306,864 km (0.108 R)
• M27: 24,203,290 km (0.087 R)
• M28: 25,221,004 km (0.085 R)
• M29: 29,577,893 km (0.041 R)
• M30: 29,962,060 km (0.1 R)
• M31: 33,570,660 km (0.104 R)
• M32: 34,551,423 km (0.115 R)
• M33: 43,753,188 km (0.065 R)
• M34: 51,821,301 km (0.095 R)
• M35: 53,887,397 km (0.094 R)
• M36: 56,989,758 km (0.101 R)
• M37: 59,190,193 km (0.062 R)
• M38: 63,123,270 km (0.058 R)
• M39: 70,134,923 km (0.095 R)
• M40: 77,405,080 km (0.116 R)
• M41: 80,100,833 km (0.054 R)
• M42: 80,846,878 km (0.057 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 18,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit