🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 10.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 94,800,592 km

• M1: 134,488 km (0.071 R)
• M2: 567,126 km (0.072 R)
• M3: 1,370,466 km (0.11 R)
• M4: 1,973,346 km (0.099 R)
• M5: 2,691,116 km (0.1 R)
• M6: 3,443,893 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 10.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.64 AU - 0.74 AU

Year: 396 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,800,592 km

• M1: 129,552 km (0.092 R)
• M2: 475,871 km (0.118 R)
• M3: 835,654 km (0.096 R)
• M4: 1,223,262 km (0.11 R)
• M5: 1,780,065 km (0.055 R)
• M6: 2,169,917 km (0.114 R)
• M7: 2,598,665 km (0.096 R)
• M8: 3,293,846 km (0.093 R)
• M9: 3,685,792 km (0.094 R)
• M10: 4,046,323 km (0.045 R)
• M11: 4,550,468 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 11.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.94 AU - 1.28 AU

Year: 807 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 94,800,592 km

• M1: 140,622 km (0.068 R)
• M2: 642,074 km (0.118 R)
• M3: 996,172 km (0.114 R)
• M4: 1,357,152 km (0.091 R)
• M5: 1,976,038 km (0.12 R)
• M6: 2,377,858 km (0.052 R)
• M7: 2,906,238 km (0.106 R)
• M8: 3,955,816 km (0.049 R)
• M9: 4,819,744 km (0.111 R)
• M10: 5,351,565 km (0.113 R)
• M11: 6,387,081 km (0.106 R)
• M12: 7,096,474 km (0.049 R)
• M13: 7,857,628 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 10.8

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.28 AU - 3.3 AU

Year: 4119 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 94,800,592 km

• M1: 134,638 km (0.102 R)
• M2: 527,033 km (0.081 R)
• M3: 1,093,860 km (0.101 R)
• M4: 1,667,867 km (0.109 R)
• M5: 3,228,771 km (0.119 R)
• M6: 4,103,470 km (0.075 R)
• M7: 5,112,806 km (0.114 R)
• M8: 6,113,915 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 14.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.71 AU - 4.29 AU

Year: 4520 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,800,592 km

• M1: 182,809 km (0.101 R)
• M2: 693,386 km (0.045 R)
• M3: 1,215,483 km (0.11 R)
• M4: 2,036,775 km (0.085 R)
• M5: 2,693,210 km (0.118 R)
• M6: 3,187,781 km (0.059 R)
• M7: 3,700,154 km (0.109 R)
• M8: 4,196,669 km (0.061 R)
• M9: 6,360,901 km (0.097 R)
• M10: 6,977,095 km (0.063 R)
• M11: 7,812,450 km (0.111 R)
• M12: 9,893,954 km (0.067 R)
• M13: 14,185,169 km (0.111 R)
• M14: 14,678,693 km (0.119 R)
• M15: 16,110,045 km (0.113 R)
• M16: 16,829,312 km (0.102 R)
• M17: 18,461,574 km (0.072 R)
• M18: 20,612,492 km (0.065 R)
• M19: 22,112,061 km (0.04 R)
• M20: 25,088,161 km (0.108 R)
• M21: 26,880,045 km (0.089 R)
• M22: 29,370,550 km (0.091 R)
• M23: 30,083,833 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.6

Radius: 6.8

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.6 AU - 7.48 AU

Year: 12893 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 94,800,592 km

• M1: 86,019 km (0.075 R)
• M2: 348,264 km (0.054 R)
• M3: 583,282 km (0.12 R)
• M4: 811,718 km (0.038 R)
• M5: 1,515,576 km (0.082 R)
• M6: 2,507,709 km (0.077 R)
• M7: 3,105,502 km (0.057 R)
• M8: 3,450,924 km (0.073 R)
• M9: 4,611,803 km (0.093 R)
• M10: 5,366,674 km (0.084 R)
• M11: 9,728,649 km (0.085 R)
• M12: 11,417,309 km (0.06 R)
• M13: 12,728,236 km (0.115 R)
• M14: 13,356,247 km (0.116 R)
• M15: 15,224,127 km (0.118 R)
• M16: 18,028,488 km (0.109 R)
• M17: 19,224,374 km (0.11 R)
• M18: 21,950,795 km (0.05 R)
• M19: 27,737,839 km (0.095 R)
• M20: 29,436,822 km (0.028 R)
• M21: 30,422,522 km (0.094 R)
• M22: 36,802,871 km (0.116 R)
• M23: 37,562,529 km (0.039 R)
• M24: 44,447,023 km (0.087 R)
• M25: 46,474,224 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.8

Radius: 3

Gravity: 106.76 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.73 AU - 12.27 AU

Year: 23485 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 94,800,592 km

• M1: 37,699 km (0.053 R)
• M2: 150,196 km (0.089 R)
• M3: 291,865 km (0.051 R)
• M4: 455,376 km (0.109 R)
• M5: 553,961 km (0.066 R)
• M6: 677,080 km (0.053 R)
• M7: 2,117,558 km (0.073 R)
• M8: 3,142,453 km (0.101 R)
• M9: 3,473,812 km (0.107 R)
• M10: 4,458,615 km (0.076 R)
• M11: 4,994,774 km (0.084 R)
• M12: 5,403,026 km (0.083 R)
• M13: 6,102,097 km (0.082 R)
• M14: 6,616,415 km (0.035 R)
• M15: 7,260,583 km (0.117 R)
• M16: 9,938,834 km (0.113 R)
• M17: 13,828,378 km (0.107 R)
• M18: 14,145,376 km (0.096 R)
• M19: 14,711,754 km (0.081 R)
• M20: 15,209,167 km (0.106 R)
• M21: 16,413,280 km (0.108 R)
• M22: 19,998,692 km (0.065 R)
• M23: 20,506,128 km (0.107 R)
• M24: 22,080,047 km (0.076 R)
• M25: 22,951,455 km (0.116 R)
• M26: 23,619,858 km (0.04 R)
• M27: 24,762,636 km (0.068 R)
• M28: 33,242,592 km (0.102 R)
• M29: 45,877,777 km (0.045 R)
• M30: 48,556,178 km (0.036 R)
• M31: 50,585,174 km (0.076 R)
• M32: 51,336,753 km (0.078 R)
• M33: 54,417,871 km (0.068 R)
• M34: 57,823,915 km (0.11 R)
• M35: 58,028,715 km (0.113 R)
• M36: 60,944,976 km (0.047 R)
• M37: 68,889,670 km (0.061 R)
• M38: 77,496,783 km (0.118 R)
• M39: 79,755,262 km (0.075 R)
• M40: 81,285,050 km (0.034 R)
• M41: 84,402,819 km (0.073 R)
• M42: 93,386,172 km (0.032 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 18,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit