🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.51 AU - 0.81 AU

Year: 346 Days

Day: 12 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,128,108 km

• M1: 138,976 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 11.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 5.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,128,108 km

• M1: 146,756 km (0.12 R)
• M2: 515,963 km (0.109 R)
• M3: 907,610 km (0.105 R)
• M4: 1,325,587 km (0.097 R)
• M5: 1,753,137 km (0.075 R)
• M6: 2,151,217 km (0.073 R)
• M7: 2,541,967 km (0.089 R)
• M8: 2,948,275 km (0.115 R)
• M9: 3,998,601 km (0.073 R)
• M10: 4,380,674 km (0.09 R)
• M11: 4,817,351 km (0.108 R)
• M12: 5,560,254 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 10.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.63 AU - 2.69 AU

Year: 2050 Days

Day: 13 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,128,108 km

• M1: 127,158 km (0.055 R)
• M2: 702,212 km (0.119 R)
• M3: 1,542,504 km (0.079 R)
• M4: 2,049,491 km (0.118 R)
• M5: 2,385,637 km (0.091 R)
• M6: 3,358,173 km (0.101 R)
• M7: 5,193,440 km (0.079 R)
• M8: 5,570,576 km (0.12 R)
• M9: 6,422,237 km (0.052 R)
• M10: 8,640,474 km (0.107 R)
• M11: 9,063,387 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 10.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.83 AU - 4.61 AU

Year: 5597 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,128,108 km

• M1: 134,488 km (0.098 R)
• M2: 562,189 km (0.053 R)
• M3: 994,975 km (0.093 R)
• M4: 1,424,770 km (0.105 R)
• M5: 1,827,488 km (0.089 R)
• M6: 2,438,445 km (0.097 R)
• M7: 3,004,075 km (0.118 R)
• M8: 3,460,348 km (0.106 R)
• M9: 4,090,006 km (0.096 R)
• M10: 5,685,317 km (0.068 R)
• M11: 6,299,566 km (0.033 R)
• M12: 7,893,980 km (0.112 R)
• M13: 9,059,647 km (0.047 R)
• M14: 10,458,238 km (0.117 R)
• M15: 11,906,794 km (0.06 R)
• M16: 12,586,716 km (0.073 R)
• M17: 13,244,348 km (0.113 R)
• M18: 14,324,146 km (0.048 R)
• M19: 19,605,998 km (0.07 R)
• M20: 22,541,706 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.1

Radius: 14.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.26 AU - 5.04 AU

Year: 6474 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,128,108 km

• M1: 185,352 km (0.107 R)
• M2: 679,174 km (0.117 R)
• M3: 1,416,692 km (0.12 R)
• M4: 1,982,770 km (0.068 R)
• M5: 3,090,393 km (0.108 R)
• M6: 3,771,811 km (0.117 R)
• M7: 4,552,413 km (0.098 R)
• M8: 7,669,883 km (0.119 R)
• M9: 8,714,674 km (0.109 R)
• M10: 9,581,444 km (0.076 R)
• M11: 10,600,655 km (0.111 R)
• M12: 13,920,979 km (0.101 R)
• M13: 14,743,618 km (0.089 R)
• M14: 16,877,183 km (0.098 R)
• M15: 17,609,465 km (0.041 R)
• M16: 18,572,276 km (0.111 R)
• M17: 21,285,832 km (0.071 R)
• M18: 22,378,345 km (0.052 R)
• M19: 24,845,065 km (0.1 R)
• M20: 28,689,880 km (0.115 R)
• M21: 30,313,765 km (0.112 R)
• M22: 33,224,341 km (0.03 R)
• M23: 34,269,731 km (0.115 R)
• M24: 37,650,343 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.8

Radius: 3.8

Gravity: 34.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.42 AU - 10.56 AU

Year: 18876 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,128,108 km

• M1: 48,320 km (0.088 R)
• M2: 179,517 km (0.031 R)
• M3: 307,872 km (0.093 R)
• M4: 650,601 km (0.063 R)
• M5: 893,997 km (0.114 R)
• M6: 1,168,958 km (0.073 R)
• M7: 1,347,877 km (0.103 R)
• M8: 1,867,430 km (0.106 R)
• M9: 2,274,037 km (0.115 R)
• M10: 2,690,667 km (0.116 R)
• M11: 3,181,947 km (0.083 R)
• M12: 4,244,840 km (0.087 R)
• M13: 4,502,298 km (0.049 R)
• M14: 5,191,944 km (0.104 R)
• M15: 6,648,578 km (0.091 R)
• M16: 7,774,153 km (0.062 R)
• M17: 8,406,952 km (0.087 R)
• M18: 8,812,960 km (0.066 R)
• M19: 10,053,127 km (0.082 R)
• M20: 11,590,095 km (0.109 R)
• M21: 13,344,728 km (0.113 R)
• M22: 13,966,906 km (0.099 R)
• M23: 17,451,340 km (0.109 R)
• M24: 17,779,109 km (0.115 R)
• M25: 18,616,707 km (0.12 R)
• M26: 20,011,109 km (0.089 R)
• M27: 20,825,220 km (0.096 R)
• M28: 22,230,692 km (0.052 R)
• M29: 23,005,609 km (0.1 R)
• M30: 23,698,247 km (0.105 R)
• M31: 26,072,067 km (0.057 R)
• M32: 26,608,225 km (0.1 R)
• M33: 30,569,278 km (0.097 R)
• M34: 36,216,149 km (0.105 R)
• M35: 37,423,254 km (0.119 R)
• M36: 49,679,957 km (0.044 R)
• M37: 54,409,194 km (0.099 R)
• M38: 58,328,808 km (0.092 R)
• M39: 59,429,699 km (0.042 R)
• M40: 62,241,989 km (0.08 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: 504 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit