🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.63 AU - 0.67 AU

Year: 344 Days

Day: 21.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 10.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.82 AU - 1.3 AU

Year: 716 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,107,515 km

• M1: 130,749 km (0.107 R)
• M2: 627,264 km (0.097 R)
• M3: 972,985 km (0.109 R)
• M4: 1,347,578 km (0.092 R)
• M5: 1,745,508 km (0.093 R)
• M6: 2,136,856 km (0.116 R)
• M7: 2,544,211 km (0.095 R)
• M8: 2,909,529 km (0.116 R)
• M9: 3,412,627 km (0.106 R)
• M10: 3,788,865 km (0.096 R)
• M11: 4,163,010 km (0.069 R)
• M12: 4,770,826 km (0.111 R)
• M13: 5,225,603 km (0.032 R)
• M14: 5,562,797 km (0.103 R)
• M15: 6,163,731 km (0.059 R)
• M16: 6,849,189 km (0.06 R)
• M17: 7,319,225 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 9.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.36 AU - 2 AU

Year: 1428 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,107,515 km

• M1: 121,174 km (0.034 R)
• M2: 490,831 km (0.065 R)
• M3: 816,804 km (0.042 R)
• M4: 1,254,229 km (0.079 R)
• M5: 1,724,863 km (0.09 R)
• M6: 2,730,460 km (0.098 R)
• M7: 3,276,792 km (0.073 R)
• M8: 3,792,007 km (0.091 R)
• M9: 4,104,966 km (0.074 R)
• M10: 4,704,554 km (0.108 R)
• M11: 5,149,907 km (0.111 R)
• M12: 6,008,449 km (0.119 R)
• M13: 6,582,456 km (0.052 R)
• M14: 7,812,300 km (0.098 R)
• M15: 8,883,421 km (0.119 R)
• M16: 9,724,909 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.7

Radius: 9.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.55 AU - 2.87 AU

Year: 2927 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,107,515 km

• M1: 114,442 km (0.088 R)
• M2: 535,261 km (0.099 R)
• M3: 1,048,083 km (0.062 R)
• M4: 1,969,007 km (0.077 R)
• M5: 2,477,939 km (0.093 R)
• M6: 3,355,181 km (0.048 R)
• M7: 3,834,642 km (0.094 R)
• M8: 5,226,052 km (0.097 R)
• M9: 6,161,039 km (0.116 R)
• M10: 7,755,004 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 15

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.08 AU - 4.8 AU

Year: 5130 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,107,515 km

• M1: 186,549 km (0.103 R)
• M2: 707,897 km (0.116 R)
• M3: 1,186,910 km (0.082 R)
• M4: 1,723,218 km (0.102 R)
• M5: 2,500,379 km (0.102 R)
• M6: 3,069,449 km (0.112 R)
• M7: 4,175,875 km (0.072 R)
• M8: 6,212,500 km (0.119 R)
• M9: 7,235,600 km (0.053 R)
• M10: 7,943,348 km (0.066 R)
• M11: 8,733,972 km (0.051 R)
• M12: 10,726,915 km (0.091 R)
• M13: 11,648,737 km (0.104 R)
• M14: 14,470,452 km (0.092 R)
• M15: 15,160,547 km (0.107 R)
• M16: 16,208,780 km (0.088 R)
• M17: 16,779,645 km (0.107 R)
• M18: 24,718,804 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.4

Radius: 3.3

Gravity: 21.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.17 AU - 9.97 AU

Year: 17919 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,107,515 km

• M1: 40,990 km (0.077 R)
• M2: 172,786 km (0.106 R)
• M3: 367,113 km (0.115 R)
• M4: 816,954 km (0.113 R)
• M5: 996,172 km (0.071 R)
• M6: 1,188,854 km (0.032 R)
• M7: 1,694,495 km (0.04 R)
• M8: 2,021,067 km (0.09 R)
• M9: 4,192,331 km (0.085 R)
• M10: 4,452,930 km (0.087 R)
• M11: 4,942,714 km (0.096 R)
• M12: 6,174,353 km (0.108 R)
• M13: 8,115,684 km (0.112 R)
• M14: 8,338,735 km (0.044 R)
• M15: 9,417,784 km (0.094 R)
• M16: 9,713,839 km (0.056 R)
• M17: 10,799,171 km (0.113 R)
• M18: 12,135,529 km (0.085 R)
• M19: 12,903,564 km (0.078 R)
• M20: 13,453,785 km (0.053 R)
• M21: 14,535,677 km (0.062 R)
• M22: 17,088,116 km (0.077 R)
• M23: 17,826,082 km (0.088 R)
• M24: 18,431,355 km (0.036 R)
• M25: 18,584,843 km (0.052 R)
• M26: 18,894,361 km (0.117 R)
• M27: 19,603,305 km (0.058 R)
• M28: 21,410,447 km (0.058 R)
• M29: 24,049,503 km (0.107 R)
• M30: 30,174,040 km (0.064 R)
• M31: 30,387,217 km (0.118 R)
• M32: 31,141,340 km (0.099 R)
• M33: 34,748,145 km (0.1 R)
• M34: 38,748,990 km (0.102 R)
• M35: 39,253,883 km (0.092 R)
• M36: 41,976,714 km (0.077 R)
• M37: 48,960,391 km (0.12 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 12,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit