🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 11.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 89,522,228 km

• M1: 143,315 km (0.111 R)
• M2: 1,100,891 km (0.072 R)
• M3: 1,847,683 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.9

Radius: 11.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.78 AU - 1.2 AU

Year: 657 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,522,228 km

• M1: 156,031 km (0.061 R)
• M2: 532,419 km (0.111 R)
• M3: 1,074,412 km (0.094 R)
• M4: 1,492,239 km (0.079 R)
• M5: 2,074,474 km (0.112 R)
• M6: 2,692,163 km (0.11 R)
• M7: 3,112,234 km (0.1 R)
• M8: 3,644,055 km (0.114 R)
• M9: 4,579,490 km (0.066 R)
• M10: 5,270,183 km (0.119 R)
• M11: 6,304,353 km (0.115 R)
• M12: 7,072,987 km (0.107 R)
• M13: 7,627,098 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 12.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.15 AU - 1.25 AU

Year: 877 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,522,228 km

• M1: 159,172 km (0.057 R)
• M2: 629,657 km (0.077 R)
• M3: 1,078,152 km (0.069 R)
• M4: 1,722,021 km (0.029 R)
• M5: 2,341,057 km (0.104 R)
• M6: 2,821,416 km (0.071 R)
• M7: 3,435,515 km (0.084 R)
• M8: 3,863,664 km (0.106 R)
• M9: 4,968,594 km (0.059 R)
• M10: 5,386,870 km (0.111 R)
• M11: 5,828,632 km (0.066 R)
• M12: 6,441,385 km (0.1 R)
• M13: 6,873,573 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 9

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.42 AU - 1.62 AU

Year: 1250 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,522,228 km

• M1: 112,348 km (0.055 R)
• M2: 533,616 km (0.109 R)
• M3: 870,360 km (0.107 R)
• M4: 1,263,354 km (0.117 R)
• M5: 1,555,668 km (0.083 R)
• M6: 1,874,761 km (0.11 R)
• M7: 2,807,503 km (0.098 R)
• M8: 3,588,404 km (0.089 R)
• M9: 4,335,645 km (0.068 R)
• M10: 5,087,824 km (0.107 R)
• M11: 6,115,112 km (0.085 R)
• M12: 8,047,767 km (0.118 R)
• M13: 8,764,790 km (0.099 R)
• M14: 9,125,021 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.6

Radius: 6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.48 AU - 7.16 AU

Year: 9363 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,522,228 km

• M1: 74,649 km (0.039 R)
• M2: 294,708 km (0.112 R)
• M3: 493,523 km (0.099 R)
• M4: 714,330 km (0.088 R)
• M5: 1,285,046 km (0.106 R)
• M6: 1,847,384 km (0.118 R)
• M7: 2,320,113 km (0.106 R)
• M8: 3,130,934 km (0.069 R)
• M9: 3,561,477 km (0.116 R)
• M10: 3,760,741 km (0.076 R)
• M11: 4,181,709 km (0.074 R)
• M12: 4,680,319 km (0.087 R)
• M13: 5,741,417 km (0.112 R)
• M14: 6,473,549 km (0.065 R)
• M15: 6,771,099 km (0.025 R)
• M16: 11,602,661 km (0.044 R)
• M17: 12,538,097 km (0.08 R)
• M18: 14,207,459 km (0.108 R)
• M19: 14,558,266 km (0.112 R)
• M20: 22,236,377 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 3.1

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.57 AU - 8.59 AU

Year: 15316 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,522,228 km

• M1: 38,895 km (0.078 R)
• M2: 145,409 km (0.078 R)
• M3: 520,152 km (0.056 R)
• M4: 685,158 km (0.118 R)
• M5: 1,097,749 km (0.112 R)
• M6: 1,656,796 km (0.071 R)
• M7: 1,998,029 km (0.056 R)
• M8: 7,584,313 km (0.104 R)
• M9: 9,751,836 km (0.085 R)
• M10: 12,581,630 km (0.116 R)
• M11: 19,789,106 km (0.106 R)
• M12: 32,875,030 km (0.079 R)
• M13: 35,767,505 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.9

Radius: 7.6

Gravity: 16.91 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.84 AU - 12.34 AU

Year: 21373 Days

Day: 16.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,522,228 km

• M1: 95,294 km (0.099 R)
• M2: 334,650 km (0.111 R)
• M3: 778,208 km (0.1 R)
• M4: 1,033,871 km (0.104 R)
• M5: 2,253,094 km (0.094 R)
• M6: 2,916,410 km (0.115 R)
• M7: 3,164,444 km (0.084 R)
• M8: 3,640,464 km (0.116 R)
• M9: 4,028,222 km (0.109 R)
• M10: 4,886,315 km (0.106 R)
• M11: 5,197,778 km (0.06 R)
• M12: 5,440,127 km (0.094 R)
• M13: 6,440,188 km (0.097 R)
• M14: 6,863,102 km (0.119 R)
• M15: 9,922,827 km (0.118 R)
• M16: 11,611,637 km (0.035 R)
• M17: 12,380,869 km (0.116 R)
• M18: 13,635,547 km (0.116 R)
• M19: 13,942,821 km (0.103 R)
• M20: 15,217,843 km (0.117 R)
• M21: 15,968,376 km (0.094 R)
• M22: 17,633,400 km (0.105 R)
• M23: 20,094,884 km (0.107 R)
• M24: 24,202,991 km (0.107 R)
• M25: 24,880,968 km (0.117 R)
• M26: 30,768,243 km (0.041 R)
• M27: 38,276,410 km (0.068 R)
• M28: 42,206,945 km (0.117 R)
• M29: 47,619,994 km (0.074 R)
• M30: 48,327,592 km (0.047 R)
• M31: 49,945,194 km (0.097 R)
• M32: 53,668,685 km (0.03 R)
• M33: 67,041,239 km (0.06 R)
• M34: 68,153,349 km (0.09 R)
• M35: 72,491,388 km (0.092 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: 313 - 16,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit