🌌 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: 789.7

Radius: 10.7

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 13.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,744,659 km

• M1: 133,142 km (0.087 R)
• M2: 516,561 km (0.114 R)
• M3: 861,983 km (0.104 R)
• M4: 1,421,329 km (0.117 R)
• M5: 2,244,118 km (0.085 R)
• M6: 3,007,815 km (0.11 R)
• M7: 3,691,028 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 9.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.53 AU - 0.57 AU

Year: 277 Days

Day: 13.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,744,659 km

• M1: 120,725 km (0.113 R)
• M2: 443,857 km (0.09 R)
• M3: 789,877 km (0.096 R)
• M4: 1,174,343 km (0.035 R)
• M5: 3,754,159 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 13.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.94 AU

Year: 467 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,744,659 km

• M1: 162,912 km (0.102 R)
• M2: 671,246 km (0.118 R)
• M3: 1,126,173 km (0.117 R)
• M4: 1,539,063 km (0.041 R)
• M5: 2,017,776 km (0.112 R)
• M6: 2,437,548 km (0.083 R)
• M7: 3,718,554 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 10.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.8 AU - 0.98 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,744,659 km

• M1: 128,205 km (0.07 R)
• M2: 776,263 km (0.047 R)
• M3: 1,915,601 km (0.065 R)
• M4: 3,010,208 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 10.4

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.03 AU - 1.27 AU

Year: 836 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,744,659 km

• M1: 129,402 km (0.066 R)
• M2: 564,433 km (0.106 R)
• M3: 919,429 km (0.093 R)
• M4: 1,376,600 km (0.076 R)
• M5: 1,789,490 km (0.089 R)
• M6: 2,201,183 km (0.093 R)
• M7: 2,652,520 km (0.078 R)
• M8: 3,231,763 km (0.031 R)
• M9: 3,566,264 km (0.118 R)
• M10: 4,144,011 km (0.075 R)
• M11: 4,557,200 km (0.104 R)
• M12: 5,257,019 km (0.055 R)
• M13: 6,450,062 km (0.09 R)
• M14: 6,961,238 km (0.117 R)
• M15: 8,370,599 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.8

Radius: 13.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.16 AU - 1.78 AU

Year: 1209 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,744,659 km

• M1: 165,006 km (0.064 R)
• M2: 622,327 km (0.09 R)
• M3: 1,052,421 km (0.113 R)
• M4: 1,604,886 km (0.108 R)
• M5: 2,070,883 km (0.113 R)
• M6: 2,615,719 km (0.08 R)
• M7: 3,185,687 km (0.105 R)
• M8: 5,154,245 km (0.111 R)
• M9: 5,969,853 km (0.082 R)
• M10: 6,869,833 km (0.118 R)
• M11: 7,377,569 km (0.061 R)
• M12: 8,119,724 km (0.101 R)
• M13: 8,550,266 km (0.11 R)
• M14: 9,253,526 km (0.057 R)
• M15: 10,178,789 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.51 AU - 3.43 AU

Year: 3472 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,744,659 km

• M1: 109,655 km (0.104 R)
• M2: 364,720 km (0.038 R)
• M3: 847,322 km (0.044 R)
• M4: 1,484,011 km (0.111 R)
• M5: 3,789,464 km (0.112 R)
• M6: 4,414,633 km (0.055 R)
• M7: 4,854,451 km (0.096 R)
• M8: 7,070,893 km (0.12 R)
• M9: 9,524,298 km (0.103 R)
• M10: 10,259,123 km (0.03 R)
• M11: 12,494,564 km (0.099 R)
• M12: 14,253,087 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 11.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.02 AU - 4.1 AU

Year: 4556 Days

Day: 12.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,744,659 km

• M1: 138,677 km (0.057 R)
• M2: 537,954 km (0.104 R)
• M3: 1,299,856 km (0.068 R)
• M4: 2,784,615 km (0.049 R)
• M5: 4,157,624 km (0.071 R)
• M6: 4,521,446 km (0.114 R)
• M7: 5,132,853 km (0.057 R)
• M8: 5,633,706 km (0.11 R)
• M9: 6,919,799 km (0.101 R)
• M10: 7,665,395 km (0.073 R)
• M11: 12,972,230 km (0.094 R)
• M12: 14,931,962 km (0.098 R)
• M13: 16,231,818 km (0.107 R)
• M14: 17,313,111 km (0.1 R)
• M15: 20,518,246 km (0.112 R)
• M16: 24,537,342 km (0.067 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 8.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.23 AU - 4.17 AU

Year: 4827 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,744,659 km

• M1: 104,419 km (0.082 R)
• M2: 619,485 km (0.066 R)
• M3: 1,196,334 km (0.073 R)
• M4: 1,588,430 km (0.119 R)
• M5: 2,740,483 km (0.099 R)
• M6: 3,240,739 km (0.038 R)
• M7: 4,920,424 km (0.109 R)
• M8: 6,974,402 km (0.072 R)
• M9: 7,721,344 km (0.084 R)
• M10: 8,019,493 km (0.112 R)
• M11: 11,249,161 km (0.111 R)
• M12: 11,584,410 km (0.074 R)
• M13: 14,287,793 km (0.109 R)
• M14: 15,785,717 km (0.119 R)
• M15: 23,523,068 km (0.11 R)
• M16: 24,790,162 km (0.111 R)
• M17: 25,276,804 km (0.113 R)
• M18: 27,030,390 km (0.072 R)
• M19: 29,402,414 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.3

Radius: 6

Gravity: 23.95 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.37 AU - 12.25 AU

Year: 22453 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,744,659 km

• M1: 75,248 km (0.107 R)
• M2: 269,426 km (0.117 R)
• M3: 480,209 km (0.112 R)
• M4: 1,285,195 km (0.092 R)
• M5: 2,350,931 km (0.072 R)
• M6: 2,541,219 km (0.102 R)
• M7: 2,953,062 km (0.113 R)
• M8: 3,175,065 km (0.11 R)
• M9: 5,174,291 km (0.12 R)
• M10: 7,075,381 km (0.105 R)
• M11: 8,317,342 km (0.076 R)
• M12: 11,562,120 km (0.119 R)
• M13: 13,959,576 km (0.068 R)
• M14: 15,397,510 km (0.086 R)
• M15: 17,735,576 km (0.063 R)
• M16: 18,658,445 km (0.093 R)
• M17: 19,516,089 km (0.107 R)
• M18: 21,003,391 km (0.025 R)
• M19: 21,207,144 km (0.109 R)
• M20: 21,412,392 km (0.053 R)
• M21: 32,349,941 km (0.09 R)
• M22: 33,585,919 km (0.068 R)
• M23: 34,286,037 km (0.078 R)
• M24: 46,158,124 km (0.028 R)
• M25: 63,430,844 km (0.088 R)
• M26: 82,766,069 km (0.108 R)
• M27: 88,744,598 km (0.188 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 11,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit