🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 10.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.06 AU

Year: 542 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,568,695 km

• M1: 131,796 km (0.091 R)
• M2: 487,240 km (0.048 R)
• M3: 858,542 km (0.038 R)
• M4: 1,481,468 km (0.101 R)
• M5: 1,913,955 km (0.084 R)
• M6: 3,659,762 km (0.1 R)
• M7: 4,472,976 km (0.12 R)
• M8: 4,995,671 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.84 AU - 1.24 AU

Year: 685 Days

Day: 5 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,568,695 km

• M1: 111,899 km (0.099 R)
• M2: 703,708 km (0.107 R)
• M3: 1,004,101 km (0.108 R)
• M4: 1,425,518 km (0.043 R)
• M5: 2,056,372 km (0.089 R)
• M6: 2,797,331 km (0.053 R)
• M7: 3,653,479 km (0.097 R)
• M8: 4,388,454 km (0.078 R)
• M9: 5,005,844 km (0.077 R)
• M10: 5,352,462 km (0.113 R)
• M11: 6,002,465 km (0.099 R)
• M12: 6,318,266 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 12.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.31 AU - 1.49 AU

Year: 1070 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,568,695 km

• M1: 155,432 km (0.087 R)
• M2: 602,281 km (0.094 R)
• M3: 1,015,620 km (0.106 R)
• M4: 1,830,779 km (0.117 R)
• M5: 2,257,282 km (0.064 R)
• M6: 2,881,853 km (0.116 R)
• M7: 3,286,665 km (0.104 R)
• M8: 3,697,910 km (0.107 R)
• M9: 4,353,298 km (0.092 R)
• M10: 5,744,857 km (0.104 R)
• M11: 6,299,716 km (0.079 R)
• M12: 6,697,347 km (0.102 R)
• M13: 7,699,503 km (0.085 R)
• M14: 8,154,730 km (0.06 R)
• M15: 8,684,755 km (0.115 R)
• M16: 9,538,061 km (0.107 R)
• M17: 10,674,257 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 10.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.89 AU - 2.13 AU

Year: 1840 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,568,695 km

• M1: 133,142 km (0.091 R)
• M2: 489,185 km (0.057 R)
• M3: 870,809 km (0.095 R)
• M4: 1,219,372 km (0.058 R)
• M5: 1,571,825 km (0.066 R)
• M6: 2,135,061 km (0.114 R)
• M7: 2,815,432 km (0.05 R)
• M8: 3,214,260 km (0.098 R)
• M9: 3,866,806 km (0.067 R)
• M10: 4,938,525 km (0.08 R)
• M11: 6,629,130 km (0.109 R)
• M12: 8,016,800 km (0.115 R)
• M13: 8,356,238 km (0.107 R)
• M14: 8,705,250 km (0.076 R)
• M15: 9,875,554 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 9.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.21 AU - 2.21 AU

Year: 2121 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,568,695 km

• M1: 121,922 km (0.046 R)
• M2: 449,242 km (0.089 R)
• M3: 1,542,354 km (0.053 R)
• M4: 1,894,059 km (0.089 R)
• M5: 3,698,359 km (0.083 R)
• M6: 4,213,424 km (0.077 R)
• M7: 5,470,046 km (0.09 R)
• M8: 9,406,265 km (0.096 R)
• M9: 9,770,686 km (0.061 R)
• M10: 10,271,390 km (0.054 R)
• M11: 10,987,664 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 8.1

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.37 AU - 2.69 AU

Year: 2598 Days

Day: 12.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,568,695 km

• M1: 100,679 km (0.103 R)
• M2: 357,090 km (0.075 R)
• M3: 1,980,825 km (0.096 R)
• M4: 2,319,365 km (0.099 R)
• M5: 3,295,342 km (0.043 R)
• M6: 3,717,657 km (0.098 R)
• M7: 4,501,400 km (0.103 R)
• M8: 5,227,398 km (0.096 R)
• M9: 5,630,714 km (0.095 R)
• M10: 6,661,892 km (0.102 R)
• M11: 8,246,882 km (0.07 R)
• M12: 9,468,498 km (0.115 R)
• M13: 11,034,937 km (0.118 R)
• M14: 11,344,455 km (0.112 R)
• M15: 12,724,645 km (0.114 R)
• M16: 13,194,383 km (0.108 R)
• M17: 15,094,425 km (0.03 R)
• M18: 16,060,379 km (0.088 R)
• M19: 16,659,518 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.1

Radius: 4.4

Gravity: 22.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.38 AU - 9.32 AU

Year: 14201 Days

Day: 21.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,568,695 km

• M1: 54,753 km (0.097 R)
• M2: 196,721 km (0.107 R)
• M3: 341,682 km (0.057 R)
• M4: 743,801 km (0.116 R)
• M5: 1,028,934 km (0.091 R)
• M6: 1,523,355 km (0.116 R)
• M7: 1,881,343 km (0.113 R)
• M8: 2,071,332 km (0.113 R)
• M9: 3,727,680 km (0.1 R)
• M10: 4,084,620 km (0.093 R)
• M11: 4,962,760 km (0.088 R)
• M12: 5,959,979 km (0.101 R)
• M13: 7,042,918 km (0.028 R)
• M14: 7,374,876 km (0.1 R)
• M15: 8,808,323 km (0.117 R)
• M16: 9,490,040 km (0.102 R)
• M17: 10,958,044 km (0.11 R)
• M18: 13,308,227 km (0.07 R)
• M19: 14,667,174 km (0.087 R)
• M20: 15,553,242 km (0.077 R)
• M21: 18,659,342 km (0.11 R)
• M22: 21,114,991 km (0.108 R)
• M23: 22,154,846 km (0.109 R)
• M24: 25,189,738 km (0.098 R)
• M25: 32,180,746 km (0.081 R)
• M26: 35,449,459 km (0.1 R)
• M27: 36,055,480 km (0.09 R)
• M28: 39,318,808 km (0.107 R)
• M29: 40,098,812 km (0.105 R)
• M30: 43,875,859 km (0.114 R)
• M31: 44,014,985 km (0.065 R)
• M32: 44,855,874 km (0.072 R)
• M33: 46,281,093 km (0.102 R)
• M34: 47,150,406 km (0.07 R)
• M35: 49,221,439 km (0.108 R)
• M36: 49,824,020 km (0.101 R)
• M37: 50,890,503 km (0.111 R)
• M38: 51,816,663 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.6

Radius: 6.5

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.31 AU - 11.83 AU

Year: 20633 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,568,695 km

• M1: 80,932 km (0.061 R)
• M2: 336,894 km (0.075 R)
• M3: 594,801 km (0.085 R)
• M4: 821,442 km (0.113 R)
• M5: 1,535,323 km (0.067 R)
• M6: 4,354,196 km (0.064 R)
• M7: 5,646,422 km (0.063 R)
• M8: 8,086,064 km (0.046 R)
• M9: 9,732,089 km (0.118 R)
• M10: 10,543,957 km (0.078 R)
• M11: 11,027,757 km (0.117 R)
• M12: 11,781,132 km (0.096 R)
• M13: 14,173,800 km (0.104 R)
• M14: 15,599,617 km (0.053 R)
• M15: 20,261,835 km (0.071 R)
• M16: 21,389,803 km (0.066 R)
• M17: 26,652,506 km (0.099 R)
• M18: 27,210,656 km (0.085 R)
• M19: 31,338,510 km (0.086 R)
• M20: 31,710,709 km (0.08 R)
• M21: 44,762,675 km (0.041 R)
• M22: 46,188,492 km (0.045 R)
• M23: 48,301,263 km (0.088 R)
• M24: 50,307,819 km (0.089 R)
• M25: 51,676,041 km (0.106 R)
• M26: 59,457,524 km (0.063 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 10,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit