🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 12.3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1 AU

Year: 600 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,222,606 km

• M1: 153,188 km (0.043 R)
• M2: 922,869 km (0.107 R)
• M3: 1,424,920 km (0.106 R)
• M4: 1,837,062 km (0.043 R)
• M5: 2,745,869 km (0.099 R)
• M6: 4,590,411 km (0.103 R)
• M7: 5,117,294 km (0.067 R)
• M8: 6,160,141 km (0.102 R)
• M9: 6,802,514 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 8.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.2 AU - 1.2 AU

Year: 924 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,222,606 km

• M1: 102,026 km (0.052 R)
• M2: 425,606 km (0.058 R)
• M3: 699,071 km (0.089 R)
• M4: 1,228,797 km (0.074 R)
• M5: 1,628,522 km (0.062 R)
• M6: 1,966,763 km (0.09 R)
• M7: 2,334,475 km (0.057 R)
• M8: 2,607,640 km (0.109 R)
• M9: 2,981,934 km (0.1 R)
• M10: 3,380,912 km (0.119 R)
• M11: 4,082,975 km (0.116 R)
• M12: 4,363,620 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.3

Radius: 5.4

Gravity: 30.15 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.85 AU - 7.83 AU

Year: 12575 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,222,606 km

• M1: 67,319 km (0.078 R)
• M2: 244,443 km (0.11 R)
• M3: 523,593 km (0.04 R)
• M4: 824,135 km (0.09 R)
• M5: 1,014,423 km (0.118 R)
• M6: 1,221,018 km (0.111 R)
• M7: 1,687,614 km (0.079 R)
• M8: 1,944,024 km (0.048 R)
• M9: 2,186,822 km (0.073 R)
• M10: 2,513,543 km (0.105 R)
• M11: 3,162,798 km (0.08 R)
• M12: 4,094,344 km (0.097 R)
• M13: 7,069,098 km (0.082 R)
• M14: 7,828,157 km (0.092 R)
• M15: 9,194,884 km (0.11 R)
• M16: 10,208,260 km (0.098 R)
• M17: 11,353,132 km (0.089 R)
• M18: 15,884,452 km (0.106 R)
• M19: 17,102,627 km (0.096 R)
• M20: 18,137,246 km (0.075 R)
• M21: 18,545,947 km (0.106 R)
• M22: 20,418,015 km (0.06 R)
• M23: 20,682,803 km (0.102 R)
• M24: 20,949,686 km (0.096 R)
• M25: 26,783,853 km (0.026 R)
• M26: 29,168,593 km (0.102 R)
• M27: 30,069,770 km (0.051 R)
• M28: 33,983,699 km (0.101 R)
• M29: 34,231,284 km (0.048 R)
• M30: 43,237,375 km (0.047 R)
• M31: 43,528,044 km (0.094 R)
• M32: 46,659,725 km (0.118 R)
• M33: 47,426,863 km (0.082 R)
• M34: 48,046,647 km (0.12 R)
• M35: 51,552,025 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104

Radius: 6.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.59 AU - 8.57 AU

Year: 14669 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,222,606 km

• M1: 80,783 km (0.061 R)
• M2: 417,378 km (0.068 R)
• M3: 736,321 km (0.059 R)
• M4: 1,080,994 km (0.105 R)
• M5: 1,492,837 km (0.039 R)
• M6: 2,125,935 km (0.082 R)
• M7: 2,791,646 km (0.065 R)
• M8: 3,861,271 km (0.1 R)
• M9: 4,172,733 km (0.071 R)
• M10: 4,605,370 km (0.11 R)
• M11: 5,180,574 km (0.107 R)
• M12: 6,440,188 km (0.035 R)
• M13: 7,301,423 km (0.03 R)
• M14: 7,703,842 km (0.115 R)
• M15: 10,758,929 km (0.099 R)
• M16: 11,571,395 km (0.048 R)
• M17: 15,529,306 km (0.095 R)
• M18: 17,582,537 km (0.088 R)
• M19: 17,843,136 km (0.117 R)
• M20: 23,611,630 km (0.115 R)
• M21: 24,734,512 km (0.107 R)
• M22: 32,816,088 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.7

Radius: 3.4

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.83 AU - 9.93 AU

Year: 17052 Days

Day: 18.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,222,606 km

• M1: 50,414 km (0.111 R)
• M2: 208,390 km (0.073 R)
• M3: 430,094 km (0.074 R)
• M4: 810,970 km (0.079 R)
• M5: 924,664 km (0.069 R)
• M6: 1,184,666 km (0.106 R)
• M7: 1,575,565 km (0.095 R)
• M8: 2,566,052 km (0.1 R)
• M9: 4,127,405 km (0.04 R)
• M10: 4,916,983 km (0.105 R)
• M11: 7,101,411 km (0.118 R)
• M12: 7,839,527 km (0.06 R)
• M13: 9,466,703 km (0.107 R)
• M14: 9,660,432 km (0.101 R)
• M15: 10,055,670 km (0.1 R)
• M16: 11,197,999 km (0.101 R)
• M17: 11,689,278 km (0.094 R)
• M18: 12,081,225 km (0.087 R)
• M19: 15,007,958 km (0.053 R)
• M20: 19,599,565 km (0.105 R)
• M21: 20,796,647 km (0.106 R)
• M22: 27,715,549 km (0.084 R)
• M23: 39,040,108 km (0.103 R)
• M24: 43,142,081 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.3

Radius: 3.4

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.39 AU - 10.27 AU

Year: 18444 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 99 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,222,606 km

• M1: 43,982 km (0.105 R)
• M2: 703,260 km (0.087 R)
• M3: 893,997 km (0.107 R)
• M4: 3,039,829 km (0.105 R)
• M5: 3,209,473 km (0.114 R)
• M6: 3,453,018 km (0.101 R)
• M7: 7,371,884 km (0.088 R)
• M8: 9,834,714 km (0.075 R)
• M9: 10,252,989 km (0.114 R)
• M10: 18,513,185 km (0.12 R)
• M11: 22,000,611 km (0.109 R)
• M12: 22,236,975 km (0.086 R)
• M13: 22,475,135 km (0.078 R)
• M14: 25,989,040 km (0.099 R)
• M15: 29,088,708 km (0.11 R)
• M16: 32,731,865 km (0.038 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: 464 - 16,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit