🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.94 AU - 2.78 AU

Year: 1318 Days

Day: 39.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,450,764 km

• M1: 345,421 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.03 AU - 4.03 AU

Year: 2940 Days

Day: 31.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.8

Radius: 12.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.92 AU - 7.02 AU

Year: 5981 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 123 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,450,764 km

• M1: 189,241 km (0.113 R)
• M2: 843,882 km (0.075 R)
• M3: 1,279,660 km (0.106 R)
• M4: 1,758,224 km (0.08 R)
• M5: 2,578,020 km (0.105 R)
• M6: 3,006,468 km (0.093 R)
• M7: 5,338,998 km (0.081 R)
• M8: 6,804,609 km (0.088 R)
• M9: 8,973,778 km (0.092 R)
• M10: 9,440,224 km (0.108 R)
• M11: 13,945,065 km (0.104 R)
• M12: 16,947,494 km (0.101 R)
• M13: 21,089,560 km (0.108 R)
• M14: 22,221,866 km (0.104 R)
• M15: 26,808,836 km (0.034 R)
• M16: 33,182,603 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 14.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.6 AU - 6.92 AU

Year: 6388 Days

Day: 8.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,450,764 km

• M1: 182,958 km (0.115 R)
• M2: 731,085 km (0.12 R)
• M3: 1,397,394 km (0.119 R)
• M4: 2,010,745 km (0.103 R)
• M5: 2,897,561 km (0.064 R)
• M6: 4,206,393 km (0.076 R)
• M7: 6,956,002 km (0.104 R)
• M8: 9,065,033 km (0.071 R)
• M9: 9,630,961 km (0.027 R)
• M10: 11,027,457 km (0.078 R)
• M11: 12,134,482 km (0.119 R)
• M12: 12,661,814 km (0.058 R)
• M13: 13,989,794 km (0.115 R)
• M14: 16,153,578 km (0.084 R)
• M15: 17,984,506 km (0.069 R)
• M16: 20,910,342 km (0.071 R)
• M17: 22,211,843 km (0.096 R)
• M18: 24,891,590 km (0.103 R)
• M19: 25,400,970 km (0.115 R)
• M20: 26,882,289 km (0.046 R)
• M21: 30,112,555 km (0.071 R)
• M22: 33,182,453 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 13.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.36 AU - 10.4 AU

Year: 8816 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,450,764 km

• M1: 170,392 km (0.112 R)
• M2: 1,049,279 km (0.1 R)
• M3: 1,879,697 km (0.081 R)
• M4: 2,971,463 km (0.042 R)
• M5: 3,463,490 km (0.07 R)
• M6: 4,213,424 km (0.095 R)
• M7: 4,697,074 km (0.036 R)
• M8: 5,461,369 km (0.113 R)
• M9: 6,690,765 km (0.102 R)
• M10: 8,635,687 km (0.109 R)
• M11: 10,589,285 km (0.101 R)
• M12: 15,987,375 km (0.059 R)
• M13: 16,441,105 km (0.026 R)
• M14: 19,566,653 km (0.101 R)
• M15: 21,075,498 km (0.119 R)
• M16: 23,900,504 km (0.117 R)
• M17: 27,244,016 km (0.076 R)
• M18: 28,079,371 km (0.088 R)
• M19: 32,514,648 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.6

Radius: 6.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 12.67 AU - 15.21 AU

Year: 18916 Days

Day: 17.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,450,764 km

• M1: 80,035 km (0.079 R)
• M2: 772,374 km (0.07 R)
• M3: 2,198,341 km (0.088 R)
• M4: 7,661,356 km (0.044 R)
• M5: 12,058,636 km (0.048 R)
• M6: 15,143,194 km (0.117 R)
• M7: 24,859,875 km (0.099 R)
• M8: 27,833,881 km (0.118 R)
• M9: 28,844,713 km (0.083 R)
• M10: 33,337,885 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.9

Radius: 5.6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 12.34 AU - 16.5 AU

Year: 19901 Days

Day: 21 Hours

Environment

Temp: -179 °C

Axial Tilt: 123.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,450,764 km

• M1: 70,012 km (0.101 R)
• M2: 304,731 km (0.079 R)
• M3: 552,315 km (0.111 R)
• M4: 962,363 km (0.117 R)
• M5: 1,402,181 km (0.089 R)
• M6: 1,916,199 km (0.039 R)
• M7: 3,236,251 km (0.11 R)
• M8: 3,482,938 km (0.081 R)
• M9: 3,689,233 km (0.089 R)
• M10: 4,328,166 km (0.041 R)
• M11: 4,536,705 km (0.057 R)
• M12: 5,005,994 km (0.096 R)
• M13: 7,087,798 km (0.117 R)
• M14: 9,386,219 km (0.068 R)
• M15: 9,888,718 km (0.072 R)
• M16: 10,568,641 km (0.12 R)
• M17: 13,163,565 km (0.119 R)
• M18: 13,475,926 km (0.103 R)
• M19: 14,707,565 km (0.075 R)
• M20: 15,043,861 km (0.095 R)
• M21: 16,656,975 km (0.118 R)
• M22: 17,768,936 km (0.108 R)
• M23: 18,381,988 km (0.093 R)
• M24: 19,167,676 km (0.09 R)
• M25: 22,713,894 km (0.106 R)
• M26: 26,376,797 km (0.032 R)
• M27: 32,071,689 km (0.078 R)
• M28: 34,609,168 km (0.097 R)
• M29: 39,044,745 km (0.064 R)
• M30: 39,689,362 km (0.093 R)
• M31: 49,173,119 km (0.103 R)
• M32: 51,143,024 km (0.104 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 15,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit