🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.49 AU - 0.57 AU

Year: 253 Days

Day: 14.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,207,399 km

• M1: 134,339 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730

Radius: 13.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.94 AU - 0.94 AU

Year: 598 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,207,399 km

• M1: 169,943 km (0.117 R)
• M2: 609,911 km (0.08 R)
• M3: 1,056,610 km (0.103 R)
• M4: 1,545,645 km (0.074 R)
• M5: 2,051,436 km (0.119 R)
• M6: 2,980,588 km (0.117 R)
• M7: 3,470,521 km (0.091 R)
• M8: 4,937,627 km (0.095 R)
• M9: 5,414,695 km (0.111 R)
• M10: 6,246,309 km (0.053 R)
• M11: 7,442,045 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 14.9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.09 AU - 1.21 AU

Year: 809 Days

Day: 6 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,207,399 km

• M1: 185,801 km (0.047 R)
• M2: 688,898 km (0.077 R)
• M3: 2,288,548 km (0.091 R)
• M4: 2,824,109 km (0.094 R)
• M5: 3,308,656 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.1

Radius: 8.5

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.85 AU - 1.97 AU

Year: 1732 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,207,399 km

• M1: 105,766 km (0.097 R)
• M2: 429,346 km (0.054 R)
• M3: 770,728 km (0.081 R)
• M4: 1,054,366 km (0.084 R)
• M5: 1,390,811 km (0.098 R)
• M6: 1,702,723 km (0.062 R)
• M7: 2,196,097 km (0.103 R)
• M8: 2,580,563 km (0.101 R)
• M9: 3,433,720 km (0.084 R)
• M10: 4,222,849 km (0.078 R)
• M11: 4,607,914 km (0.098 R)
• M12: 6,258,726 km (0.086 R)
• M13: 7,963,843 km (0.1 R)
• M14: 8,553,109 km (0.076 R)
• M15: 8,874,594 km (0.095 R)
• M16: 9,610,616 km (0.11 R)
• M17: 12,715,221 km (0.086 R)
• M18: 13,519,758 km (0.092 R)
• M19: 15,943,543 km (0.067 R)
• M20: 16,530,116 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 10.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.12 AU - 4.22 AU

Year: 4612 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,207,399 km

• M1: 151,094 km (0.076 R)
• M2: 600,037 km (0.103 R)
• M3: 1,184,516 km (0.098 R)
• M4: 2,209,710 km (0.118 R)
• M5: 2,926,134 km (0.103 R)
• M6: 3,398,265 km (0.078 R)
• M7: 4,353,298 km (0.103 R)
• M8: 5,100,988 km (0.05 R)
• M9: 5,673,948 km (0.113 R)
• M10: 6,168,668 km (0.107 R)
• M11: 9,283,296 km (0.112 R)
• M12: 10,736,789 km (0.089 R)
• M13: 12,577,291 km (0.111 R)
• M14: 13,470,690 km (0.089 R)
• M15: 15,719,146 km (0.064 R)
• M16: 18,083,091 km (0.096 R)
• M17: 19,938,853 km (0.101 R)
• M18: 21,359,434 km (0.076 R)
• M19: 23,430,766 km (0.077 R)
• M20: 23,950,170 km (0.094 R)
• M21: 26,025,841 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.1

Radius: 3.2

Gravity: 55.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.19 AU - 9.21 AU

Year: 14017 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,207,399 km

• M1: 48,171 km (0.034 R)
• M2: 155,133 km (0.109 R)
• M3: 270,323 km (0.108 R)
• M4: 524,789 km (0.119 R)
• M5: 724,802 km (0.081 R)
• M6: 1,288,935 km (0.097 R)
• M7: 1,749,697 km (0.112 R)
• M8: 2,099,905 km (0.097 R)
• M9: 2,291,839 km (0.105 R)
• M10: 2,754,994 km (0.094 R)
• M11: 2,937,953 km (0.091 R)
• M12: 3,431,027 km (0.052 R)
• M13: 4,210,731 km (0.062 R)
• M14: 4,967,397 km (0.112 R)
• M15: 5,884,731 km (0.085 R)
• M16: 6,383,341 km (0.069 R)
• M17: 6,826,749 km (0.094 R)
• M18: 7,034,840 km (0.064 R)
• M19: 7,729,572 km (0.105 R)
• M20: 8,232,969 km (0.113 R)
• M21: 8,904,664 km (0.112 R)
• M22: 9,304,539 km (0.106 R)
• M23: 13,983,212 km (0.08 R)
• M24: 14,522,961 km (0.066 R)
• M25: 16,521,290 km (0.113 R)
• M26: 20,965,394 km (0.072 R)
• M27: 22,853,020 km (0.102 R)
• M28: 24,558,585 km (0.111 R)
• M29: 30,404,122 km (0.108 R)
• M30: 31,080,603 km (0.09 R)
• M31: 32,580,471 km (0.11 R)
• M32: 35,351,024 km (0.099 R)
• M33: 37,368,351 km (0.099 R)
• M34: 52,219,830 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 6.1

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.42 AU - 8.86 AU

Year: 15235 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,207,399 km

• M1: 75,846 km (0.098 R)
• M2: 318,344 km (0.099 R)
• M3: 788,530 km (0.089 R)
• M4: 1,033,721 km (0.091 R)
• M5: 1,505,703 km (0.111 R)
• M6: 1,887,626 km (0.061 R)
• M7: 2,395,212 km (0.105 R)
• M8: 2,773,694 km (0.08 R)
• M9: 3,593,640 km (0.093 R)
• M10: 4,370,651 km (0.054 R)
• M11: 5,971,498 km (0.117 R)
• M12: 7,832,795 km (0.099 R)
• M13: 9,993,587 km (0.11 R)
• M14: 12,329,258 km (0.113 R)
• M15: 13,795,467 km (0.117 R)
• M16: 15,374,323 km (0.073 R)
• M17: 22,320,302 km (0.087 R)
• M18: 23,387,084 km (0.111 R)
• M19: 24,896,078 km (0.11 R)
• M20: 27,553,235 km (0.058 R)
• M21: 31,944,980 km (0.119 R)
• M22: 32,310,298 km (0.063 R)
• M23: 35,204,717 km (0.081 R)
• M24: 35,725,168 km (0.117 R)
• M25: 36,781,329 km (0.103 R)
• M26: 38,956,034 km (0.105 R)
• M27: 40,784,718 km (0.104 R)
• M28: 41,938,267 km (0.106 R)
• M29: 42,229,983 km (0.109 R)
• M30: 48,673,313 km (0.086 R)
• M31: 50,792,965 km (0.113 R)
• M32: 52,296,124 km (0.09 R)
• M33: 56,448,662 km (0.079 R)
• M34: 59,519,607 km (0.05 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: 246 - 16,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit