🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 12.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 11.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,518,730 km

• M1: 150,495 km (0.053 R)
• M2: 528,230 km (0.119 R)
• M3: 958,623 km (0.058 R)
• M4: 1,377,198 km (0.115 R)
• M5: 1,800,560 km (0.072 R)
• M6: 2,183,680 km (0.109 R)
• M7: 2,660,149 km (0.117 R)
• M8: 3,249,864 km (0.079 R)
• M9: 4,105,265 km (0.073 R)
• M10: 4,664,162 km (0.093 R)
• M11: 5,059,699 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 11.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.24 AU

Year: 690 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,518,730 km

• M1: 141,819 km (0.084 R)
• M2: 558,449 km (0.108 R)
• M3: 996,322 km (0.05 R)
• M4: 1,443,171 km (0.07 R)
• M5: 1,817,165 km (0.114 R)
• M6: 2,573,981 km (0.114 R)
• M7: 3,366,999 km (0.114 R)
• M8: 4,113,044 km (0.091 R)
• M9: 4,844,727 km (0.117 R)
• M10: 5,324,188 km (0.113 R)
• M11: 6,357,910 km (0.097 R)
• M12: 7,178,005 km (0.106 R)
• M13: 7,922,254 km (0.064 R)
• M14: 8,387,953 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 13.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.08 AU - 1.14 AU

Year: 807 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,518,730 km

• M1: 172,935 km (0.117 R)
• M2: 633,846 km (0.073 R)
• M3: 1,185,713 km (0.048 R)
• M4: 1,728,753 km (0.11 R)
• M5: 2,585,201 km (0.06 R)
• M6: 4,561,987 km (0.078 R)
• M7: 5,137,789 km (0.109 R)
• M8: 5,884,283 km (0.105 R)
• M9: 6,370,476 km (0.095 R)
• M10: 6,975,749 km (0.059 R)
• M11: 8,564,777 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 13.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.37 AU - 3.39 AU

Year: 4289 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,518,730 km

• M1: 166,054 km (0.112 R)
• M2: 588,368 km (0.094 R)
• M3: 1,052,720 km (0.117 R)
• M4: 1,565,392 km (0.095 R)
• M5: 2,024,807 km (0.026 R)
• M6: 2,990,761 km (0.093 R)
• M7: 3,730,223 km (0.101 R)
• M8: 4,379,478 km (0.104 R)
• M9: 4,804,485 km (0.12 R)
• M10: 6,307,645 km (0.075 R)
• M11: 7,264,473 km (0.068 R)
• M12: 9,622,135 km (0.076 R)
• M13: 11,104,201 km (0.095 R)
• M14: 15,040,570 km (0.102 R)
• M15: 19,192,210 km (0.093 R)
• M16: 20,144,400 km (0.087 R)
• M17: 21,061,286 km (0.091 R)
• M18: 21,733,130 km (0.114 R)
• M19: 22,978,532 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 13.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.09 AU - 5.81 AU

Year: 8782 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,518,730 km

• M1: 165,455 km (0.065 R)
• M2: 642,523 km (0.115 R)
• M3: 1,489,995 km (0.084 R)
• M4: 2,356,765 km (0.065 R)
• M5: 3,193,316 km (0.07 R)
• M6: 4,410,594 km (0.052 R)
• M7: 6,368,980 km (0.046 R)
• M8: 7,541,079 km (0.085 R)
• M9: 9,871,515 km (0.047 R)
• M10: 11,438,552 km (0.116 R)
• M11: 12,309,511 km (0.078 R)
• M12: 12,761,446 km (0.116 R)
• M13: 17,062,535 km (0.074 R)
• M14: 18,199,628 km (0.086 R)
• M15: 18,861,150 km (0.107 R)
• M16: 29,786,133 km (0.116 R)
• M17: 41,592,995 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.5

Radius: 7.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.14 AU - 8.02 AU

Year: 14405 Days

Day: 24.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,518,730 km

• M1: 135,087 km (0.098 R)
• M2: 429,495 km (0.067 R)
• M3: 694,733 km (0.095 R)
• M4: 1,227,899 km (0.097 R)
• M5: 2,672,416 km (0.105 R)
• M6: 3,033,994 km (0.027 R)
• M7: 3,308,507 km (0.057 R)
• M8: 4,374,541 km (0.079 R)
• M9: 5,032,772 km (0.119 R)
• M10: 5,353,061 km (0.052 R)
• M11: 6,396,356 km (0.091 R)
• M12: 6,658,152 km (0.114 R)
• M13: 7,651,931 km (0.068 R)
• M14: 8,293,856 km (0.05 R)
• M15: 12,801,838 km (0.108 R)
• M16: 16,460,553 km (0.103 R)
• M17: 17,383,123 km (0.095 R)
• M18: 18,264,853 km (0.111 R)
• M19: 19,022,117 km (0.068 R)
• M20: 21,336,396 km (0.078 R)
• M21: 22,777,024 km (0.111 R)
• M22: 23,212,802 km (0.038 R)
• M23: 24,827,562 km (0.102 R)
• M24: 30,962,570 km (0.099 R)
• M25: 31,604,944 km (0.077 R)
• M26: 32,585,259 km (0.105 R)
• M27: 33,027,470 km (0.083 R)
• M28: 35,414,454 km (0.061 R)
• M29: 37,429,238 km (0.116 R)
• M30: 45,700,055 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.5

Radius: 6.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.65 AU - 10.47 AU

Year: 22025 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,518,730 km

• M1: 82,279 km (0.1 R)
• M2: 375,640 km (0.115 R)
• M3: 616,194 km (0.064 R)
• M4: 868,416 km (0.056 R)
• M5: 1,070,373 km (0.104 R)
• M6: 2,200,285 km (0.111 R)
• M7: 2,416,155 km (0.119 R)
• M8: 2,733,602 km (0.032 R)
• M9: 3,078,575 km (0.081 R)
• M10: 4,112,296 km (0.094 R)
• M11: 5,716,583 km (0.069 R)
• M12: 8,106,260 km (0.088 R)
• M13: 8,528,724 km (0.067 R)
• M14: 10,808,147 km (0.115 R)
• M15: 11,494,053 km (0.11 R)
• M16: 13,464,706 km (0.076 R)
• M17: 14,123,984 km (0.071 R)
• M18: 16,011,460 km (0.11 R)
• M19: 18,539,066 km (0.106 R)
• M20: 19,025,558 km (0.096 R)
• M21: 20,023,974 km (0.053 R)
• M22: 21,232,575 km (0.113 R)
• M23: 21,675,684 km (0.113 R)
• M24: 24,465,236 km (0.119 R)
• M25: 26,759,319 km (0.109 R)
• M26: 27,068,837 km (0.088 R)
• M27: 27,589,886 km (0.12 R)
• M28: 29,411,390 km (0.092 R)
• M29: 33,650,395 km (0.087 R)
• M30: 34,495,773 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit