🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.4

Radius: 14.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.7 AU

Year: 333 Days

Day: 10.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,738,887 km

• M1: 177,872 km (0.047 R)
• M2: 696,677 km (0.099 R)
• M3: 1,567,337 km (0.091 R)
• M4: 2,047,845 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 10

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.69 AU - 0.89 AU

Year: 468 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,738,887 km

• M1: 126,859 km (0.105 R)
• M2: 522,396 km (0.105 R)
• M3: 870,211 km (0.092 R)
• M4: 1,244,355 km (0.085 R)
• M5: 1,603,839 km (0.119 R)
• M6: 2,213,151 km (0.089 R)
• M7: 2,697,100 km (0.045 R)
• M8: 3,698,209 km (0.119 R)
• M9: 4,159,270 km (0.071 R)
• M10: 4,599,237 km (0.102 R)
• M11: 5,085,879 km (0.097 R)
• M12: 5,708,206 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 1.01 AU

Year: 579 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,738,887 km

• M1: 180,565 km (0.097 R)
• M2: 1,046,587 km (0.101 R)
• M3: 1,498,223 km (0.112 R)
• M4: 1,991,746 km (0.072 R)
• M5: 2,920,001 km (0.098 R)
• M6: 3,757,300 km (0.065 R)
• M7: 5,242,358 km (0.074 R)
• M8: 6,182,730 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 12.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.06 AU - 1.52 AU

Year: 977 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,738,887 km

• M1: 159,322 km (0.06 R)
• M2: 544,835 km (0.05 R)
• M3: 999,763 km (0.118 R)
• M4: 1,672,504 km (0.112 R)
• M5: 2,332,979 km (0.069 R)
• M6: 2,716,398 km (0.104 R)
• M7: 3,228,771 km (0.073 R)

Asteroid Belt

Center: 2.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 8.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.83 AU - 2.85 AU

Year: 3192 Days

Day: 12.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,738,887 km

• M1: 110,702 km (0.054 R)
• M2: 476,020 km (0.075 R)
• M3: 1,054,815 km (0.099 R)
• M4: 1,389,315 km (0.101 R)
• M5: 1,686,417 km (0.117 R)
• M6: 2,099,606 km (0.074 R)
• M7: 2,398,203 km (0.04 R)
• M8: 2,725,224 km (0.055 R)
• M9: 3,082,015 km (0.034 R)
• M10: 4,551,964 km (0.116 R)
• M11: 4,966,051 km (0.073 R)
• M12: 5,971,049 km (0.062 R)
• M13: 6,440,936 km (0.103 R)
• M14: 6,963,631 km (0.11 R)
• M15: 8,768,530 km (0.119 R)
• M16: 9,796,865 km (0.097 R)
• M17: 10,156,947 km (0.12 R)
• M18: 11,408,184 km (0.032 R)
• M19: 12,297,543 km (0.065 R)
• M20: 14,863,296 km (0.098 R)
• M21: 16,071,898 km (0.036 R)
• M22: 17,819,201 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 12.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.76 AU - 4.12 AU

Year: 4255 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,738,887 km

• M1: 152,141 km (0.051 R)
• M2: 578,046 km (0.119 R)
• M3: 986,149 km (0.109 R)
• M4: 1,786,947 km (0.098 R)
• M5: 2,446,823 km (0.079 R)
• M6: 3,031,900 km (0.116 R)
• M7: 3,419,508 km (0.072 R)
• M8: 4,153,734 km (0.077 R)
• M9: 5,388,814 km (0.111 R)
• M10: 6,303,605 km (0.107 R)
• M11: 7,201,193 km (0.086 R)
• M12: 8,638,529 km (0.048 R)
• M13: 9,319,798 km (0.077 R)
• M14: 10,110,422 km (0.065 R)
• M15: 13,500,759 km (0.078 R)
• M16: 15,723,933 km (0.114 R)
• M17: 17,159,025 km (0.102 R)
• M18: 17,638,337 km (0.061 R)
• M19: 18,071,722 km (0.1 R)
• M20: 18,568,088 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.8

Radius: 6.3

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.4 AU - 9.22 AU

Year: 14555 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,738,887 km

• M1: 82,578 km (0.107 R)
• M2: 341,233 km (0.06 R)
• M3: 678,277 km (0.119 R)
• M4: 3,060,623 km (0.107 R)
• M5: 3,319,876 km (0.086 R)
• M6: 3,736,207 km (0.06 R)
• M7: 3,942,053 km (0.086 R)
• M8: 5,231,737 km (0.072 R)
• M9: 6,737,589 km (0.099 R)
• M10: 6,999,236 km (0.08 R)
• M11: 7,683,197 km (0.059 R)
• M12: 8,065,868 km (0.116 R)
• M13: 9,183,514 km (0.1 R)
• M14: 9,397,439 km (0.088 R)
• M15: 10,633,417 km (0.045 R)
• M16: 13,355,649 km (0.067 R)
• M17: 14,049,334 km (0.091 R)
• M18: 16,352,842 km (0.095 R)
• M19: 16,667,297 km (0.066 R)
• M20: 17,882,780 km (0.069 R)
• M21: 22,456,436 km (0.079 R)
• M22: 25,271,568 km (0.072 R)
• M23: 32,078,720 km (0.057 R)
• M24: 35,899,599 km (0.106 R)
• M25: 38,747,644 km (0.073 R)
• M26: 42,923,519 km (0.108 R)
• M27: 43,974,444 km (0.027 R)
• M28: 46,755,917 km (0.114 R)
• M29: 56,871,276 km (0.083 R)
• M30: 58,321,179 km (0.091 R)
• M31: 61,863,357 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit