🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 10.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 8.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,753,494 km

• M1: 129,851 km (0.05 R)
• M2: 535,560 km (0.05 R)
• M3: 864,676 km (0.118 R)
• M4: 1,228,199 km (0.075 R)
• M5: 1,583,194 km (0.09 R)
• M6: 1,952,701 km (0.094 R)
• M7: 2,284,060 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.9

Radius: 8.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.77 AU - 1.01 AU

Year: 569 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 142.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,753,494 km

• M1: 100,679 km (0.065 R)
• M2: 442,511 km (0.035 R)
• M3: 782,546 km (0.062 R)
• M4: 1,066,184 km (0.066 R)
• M5: 1,362,687 km (0.056 R)
• M6: 1,920,238 km (0.069 R)
• M7: 2,373,969 km (0.107 R)
• M8: 2,855,375 km (0.095 R)
• M9: 3,330,049 km (0.119 R)
• M10: 4,726,395 km (0.117 R)
• M11: 5,059,250 km (0.074 R)
• M12: 5,391,358 km (0.096 R)
• M13: 5,654,201 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.55 AU - 1.83 AU

Year: 1490 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,753,494 km

• M1: 156,330 km (0.104 R)
• M2: 867,668 km (0.058 R)
• M3: 1,275,322 km (0.055 R)
• M4: 2,023,610 km (0.082 R)
• M5: 4,406,555 km (0.112 R)
• M6: 4,811,516 km (0.118 R)
• M7: 7,059,075 km (0.117 R)
• M8: 9,436,185 km (0.071 R)
• M9: 10,173,254 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 14.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.1 AU - 3.54 AU

Year: 4103 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,753,494 km

• M1: 180,415 km (0.066 R)
• M2: 763,996 km (0.109 R)
• M3: 1,504,356 km (0.089 R)
• M4: 2,024,957 km (0.09 R)
• M5: 3,115,376 km (0.111 R)
• M6: 3,673,675 km (0.111 R)
• M7: 4,125,311 km (0.039 R)
• M8: 4,754,220 km (0.039 R)
• M9: 5,446,559 km (0.056 R)
• M10: 8,310,162 km (0.075 R)
• M11: 10,896,709 km (0.108 R)
• M12: 13,255,718 km (0.109 R)
• M13: 14,580,257 km (0.072 R)
• M14: 18,483,565 km (0.091 R)
• M15: 20,643,309 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.6

Radius: 7.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.93 AU - 7.07 AU

Year: 11240 Days

Day: 19.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,753,494 km

• M1: 99,931 km (0.113 R)
• M2: 536,907 km (0.11 R)
• M3: 1,035,965 km (0.078 R)
• M4: 1,298,061 km (0.072 R)
• M5: 1,648,120 km (0.041 R)
• M6: 1,923,679 km (0.115 R)
• M7: 2,466,869 km (0.118 R)
• M8: 4,673,886 km (0.097 R)
• M9: 5,040,999 km (0.117 R)
• M10: 6,878,510 km (0.045 R)
• M11: 7,263,276 km (0.053 R)
• M12: 9,993,287 km (0.06 R)
• M13: 12,803,633 km (0.101 R)
• M14: 16,412,233 km (0.104 R)
• M15: 17,751,732 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.4

Radius: 3.5

Gravity: 61.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.76 AU - 10.84 AU

Year: 24073 Days

Day: 21.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,753,494 km

• M1: 43,683 km (0.097 R)
• M2: 420,669 km (0.044 R)
• M3: 732,132 km (0.057 R)
• M4: 1,209,499 km (0.111 R)
• M5: 1,657,245 km (0.119 R)
• M6: 1,908,570 km (0.109 R)
• M7: 2,162,587 km (0.076 R)
• M8: 4,217,014 km (0.115 R)
• M9: 5,720,922 km (0.108 R)
• M10: 6,112,868 km (0.101 R)
• M11: 6,292,685 km (0.114 R)
• M12: 7,395,969 km (0.035 R)
• M13: 9,371,708 km (0.092 R)
• M14: 9,977,280 km (0.104 R)
• M15: 11,741,937 km (0.094 R)
• M16: 15,456,153 km (0.112 R)
• M17: 15,789,906 km (0.082 R)
• M18: 17,894,598 km (0.079 R)
• M19: 19,883,352 km (0.044 R)
• M20: 25,547,277 km (0.082 R)
• M21: 27,447,469 km (0.105 R)
• M22: 29,823,682 km (0.056 R)
• M23: 33,154,329 km (0.08 R)
• M24: 43,449,654 km (0.058 R)
• M25: 45,292,850 km (0.046 R)
• M26: 53,566,809 km (0.12 R)
• M27: 56,665,130 km (0.085 R)
• M28: 58,660,915 km (0.075 R)
• M29: 64,497,776 km (0.109 R)
• M30: 72,788,041 km (0.119 R)
• M31: 75,621,873 km (0.113 R)
• M32: 82,265,215 km (0.056 R)
• M33: 82,772,203 km (0.108 R)
• M34: 84,048,871 km (0.103 R)
• M35: 88,487,589 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 12,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit