🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.6 AU - 0.8 AU

Year: 391 Days

Day: 13 Hours

Environment

Temp: -162 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,183,846 km

• M1: 182,958 km (0.057 R)
• M2: 695,929 km (0.106 R)
• M3: 1,202,916 km (0.064 R)
• M4: 1,706,463 km (0.036 R)
• M5: 2,561,564 km (0.116 R)
• M6: 3,241,636 km (0.034 R)
• M7: 3,726,333 km (0.059 R)
• M8: 4,386,658 km (0.117 R)
• M9: 5,204,061 km (0.084 R)
• M10: 5,838,655 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 8.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.56 AU - 0.88 AU

Year: 407 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,183,846 km

• M1: 109,506 km (0.096 R)
• M2: 387,608 km (0.106 R)
• M3: 717,471 km (0.087 R)
• M4: 994,377 km (0.116 R)
• M5: 1,268,141 km (0.084 R)
• M6: 1,662,182 km (0.089 R)
• M7: 1,966,464 km (0.091 R)
• M8: 2,370,378 km (0.097 R)
• M9: 2,849,241 km (0.113 R)
• M10: 3,368,495 km (0.098 R)
• M11: 3,748,773 km (0.092 R)
• M12: 4,157,474 km (0.12 R)
• M13: 4,469,536 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.2

Radius: 8.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.79 AU - 0.99 AU

Year: 560 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,183,846 km

• M1: 108,159 km (0.11 R)
• M2: 476,020 km (0.115 R)
• M3: 758,162 km (0.118 R)
• M4: 1,124,078 km (0.073 R)
• M5: 1,412,503 km (0.053 R)
• M6: 2,402,542 km (0.06 R)
• M7: 2,985,525 km (0.058 R)
• M8: 4,032,859 km (0.065 R)
• M9: 4,488,535 km (0.079 R)
• M10: 4,781,148 km (0.04 R)
• M11: 5,340,046 km (0.048 R)
• M12: 5,669,011 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 11

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.22 AU - 1.54 AU

Year: 1081 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,183,846 km

• M1: 137,032 km (0.102 R)
• M2: 751,281 km (0.07 R)
• M3: 1,531,134 km (0.068 R)
• M4: 2,082,851 km (0.12 R)
• M5: 2,663,440 km (0.1 R)
• M6: 5,287,387 km (0.118 R)
• M7: 5,865,433 km (0.105 R)
• M8: 7,172,171 km (0.088 R)
• M9: 9,031,373 km (0.067 R)
• M10: 9,919,236 km (0.105 R)
• M11: 10,734,994 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 14.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.25 AU - 1.85 AU

Year: 1287 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,183,846 km

• M1: 179,218 km (0.091 R)
• M2: 866,022 km (0.108 R)
• M3: 1,459,926 km (0.071 R)
• M4: 2,323,853 km (0.112 R)
• M5: 2,852,682 km (0.042 R)
• M6: 3,831,800 km (0.066 R)
• M7: 4,483,299 km (0.116 R)
• M8: 5,459,275 km (0.116 R)
• M9: 6,193,501 km (0.091 R)
• M10: 6,645,586 km (0.108 R)
• M11: 7,094,380 km (0.071 R)
• M12: 7,887,398 km (0.072 R)
• M13: 8,857,092 km (0.12 R)
• M14: 9,463,711 km (0.104 R)
• M15: 10,326,591 km (0.069 R)
• M16: 11,346,251 km (0.076 R)
• M17: 11,880,764 km (0.059 R)
• M18: 12,733,023 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 11.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.07 AU - 2.31 AU

Year: 2161 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,183,846 km

• M1: 145,559 km (0.039 R)
• M2: 536,458 km (0.097 R)
• M3: 1,037,312 km (0.105 R)
• M4: 1,412,952 km (0.114 R)
• M5: 2,023,461 km (0.072 R)
• M6: 2,411,817 km (0.075 R)
• M7: 2,944,385 km (0.118 R)
• M8: 3,536,194 km (0.085 R)
• M9: 4,185,898 km (0.113 R)
• M10: 4,669,398 km (0.069 R)
• M11: 6,241,074 km (0.041 R)
• M12: 7,339,272 km (0.112 R)
• M13: 7,887,697 km (0.095 R)
• M14: 9,879,593 km (0.11 R)
• M15: 10,587,041 km (0.03 R)
• M16: 11,609,543 km (0.087 R)
• M17: 12,482,446 km (0.12 R)
• M18: 13,354,004 km (0.095 R)
• M19: 13,804,742 km (0.102 R)
• M20: 15,760,136 km (0.112 R)
• M21: 18,442,126 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 13.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.94 AU - 4.14 AU

Year: 5415 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,183,846 km

• M1: 169,345 km (0.066 R)
• M2: 736,321 km (0.085 R)
• M3: 1,250,040 km (0.096 R)
• M4: 1,771,837 km (0.108 R)
• M5: 3,249,565 km (0.059 R)
• M6: 4,232,722 km (0.076 R)
• M7: 5,492,935 km (0.096 R)
• M8: 7,557,086 km (0.097 R)
• M9: 8,270,518 km (0.076 R)
• M10: 11,197,849 km (0.082 R)
• M11: 12,075,839 km (0.114 R)
• M12: 12,894,439 km (0.107 R)
• M13: 13,478,469 km (0.112 R)
• M14: 15,396,164 km (0.064 R)
• M15: 16,543,729 km (0.107 R)
• M16: 19,627,390 km (0.105 R)
• M17: 22,690,855 km (0.109 R)
• M18: 24,577,733 km (0.067 R)
• M19: 25,976,174 km (0.096 R)
• M20: 29,202,402 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.3

Radius: 11.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.02 AU - 5.52 AU

Year: 8068 Days

Day: 9.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,183,846 km

• M1: 146,756 km (0.041 R)
• M2: 771,027 km (0.1 R)
• M3: 1,296,565 km (0.061 R)
• M4: 1,654,403 km (0.039 R)
• M5: 2,091,977 km (0.051 R)
• M6: 2,958,298 km (0.055 R)
• M7: 3,683,848 km (0.048 R)
• M8: 4,149,546 km (0.048 R)
• M9: 4,698,121 km (0.091 R)
• M10: 6,419,245 km (0.081 R)
• M11: 6,922,641 km (0.079 R)
• M12: 8,168,343 km (0.113 R)
• M13: 12,075,241 km (0.093 R)
• M14: 14,058,011 km (0.045 R)
• M15: 16,505,731 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.8

Radius: 6

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7 AU - 8.96 AU

Year: 15033 Days

Day: 17.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,183,846 km

• M1: 74,799 km (0.042 R)
• M2: 299,645 km (0.095 R)
• M3: 538,702 km (0.047 R)
• M4: 965,505 km (0.092 R)
• M5: 1,246,749 km (0.115 R)
• M6: 1,524,402 km (0.079 R)
• M7: 2,114,267 km (0.113 R)
• M8: 3,162,649 km (0.111 R)
• M9: 3,760,442 km (0.096 R)
• M10: 4,401,319 km (0.111 R)
• M11: 6,005,756 km (0.102 R)
• M12: 7,619,020 km (0.092 R)
• M13: 8,052,554 km (0.098 R)
• M14: 8,686,849 km (0.102 R)
• M15: 10,470,355 km (0.08 R)
• M16: 10,951,761 km (0.061 R)
• M17: 11,447,678 km (0.118 R)
• M18: 12,425,300 km (0.09 R)
• M19: 13,395,143 km (0.059 R)
• M20: 14,219,577 km (0.093 R)
• M21: 15,621,907 km (0.118 R)
• M22: 17,932,446 km (0.084 R)
• M23: 19,727,322 km (0.111 R)
• M24: 20,132,881 km (0.078 R)
• M25: 21,128,605 km (0.091 R)
• M26: 24,220,194 km (0.1 R)
• M27: 24,498,447 km (0.113 R)
• M28: 27,099,505 km (0.113 R)
• M29: 29,878,884 km (0.069 R)
• M30: 39,091,569 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.9

Radius: 3.9

Gravity: 50.95 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.62 AU - 10.88 AU

Year: 21883 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,183,846 km

• M1: 90,058 km (0.094 R)
• M2: 406,158 km (0.098 R)
• M3: 816,655 km (0.111 R)
• M4: 2,079,261 km (0.065 R)
• M5: 2,990,312 km (0.109 R)
• M6: 3,384,652 km (0.109 R)
• M7: 4,556,751 km (0.096 R)
• M8: 4,701,711 km (0.117 R)
• M9: 5,596,307 km (0.105 R)
• M10: 5,762,809 km (0.07 R)
• M11: 13,150,102 km (0.091 R)
• M12: 15,711,965 km (0.091 R)
• M13: 16,549,414 km (0.105 R)
• M14: 20,986,337 km (0.079 R)
• M15: 25,924,114 km (0.11 R)
• M16: 26,855,062 km (0.069 R)
• M17: 34,142,124 km (0.101 R)
• M18: 35,401,289 km (0.114 R)
• M19: 41,530,463 km (0.118 R)
• M20: 42,004,838 km (0.099 R)
• M21: 46,949,048 km (0.061 R)
• M22: 53,750,216 km (0.105 R)
• M23: 54,313,452 km (0.031 R)
• M24: 64,712,897 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 17,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit