🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 13.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 8.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,541,601 km

• M1: 170,392 km (0.076 R)
• M2: 673,490 km (0.083 R)
• M3: 1,185,264 km (0.117 R)
• M4: 1,658,741 km (0.114 R)
• M5: 2,166,776 km (0.062 R)
• M6: 2,687,227 km (0.083 R)
• M7: 3,122,856 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 11.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 10 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,541,601 km

• M1: 146,756 km (0.119 R)
• M2: 521,648 km (0.046 R)
• M3: 1,056,909 km (0.095 R)
• M4: 1,772,436 km (0.079 R)
• M5: 2,179,491 km (0.116 R)
• M6: 2,770,403 km (0.08 R)
• M7: 3,555,044 km (0.051 R)
• M8: 4,429,743 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 10

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.2 AU - 1.74 AU

Year: 1209 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,541,601 km

• M1: 129,552 km (0.104 R)
• M2: 469,887 km (0.097 R)
• M3: 1,086,081 km (0.065 R)
• M4: 1,478,476 km (0.029 R)
• M5: 2,582,658 km (0.062 R)
• M6: 3,218,598 km (0.112 R)
• M7: 4,059,937 km (0.114 R)
• M8: 5,458,378 km (0.11 R)
• M9: 5,830,876 km (0.082 R)
• M10: 8,994,422 km (0.041 R)
• M11: 9,863,137 km (0.053 R)
• M12: 10,752,945 km (0.11 R)
• M13: 11,516,792 km (0.064 R)
• M14: 12,465,691 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 9.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.87 AU - 2.07 AU

Year: 1875 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,541,601 km

• M1: 120,725 km (0.026 R)
• M2: 731,534 km (0.075 R)
• M3: 1,125,574 km (0.093 R)
• M4: 1,839,306 km (0.054 R)
• M5: 2,399,101 km (0.047 R)
• M6: 4,129,799 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 13.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.28 AU - 2.4 AU

Year: 2428 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,541,601 km

• M1: 173,534 km (0.098 R)
• M2: 797,805 km (0.095 R)
• M3: 1,237,324 km (0.104 R)
• M4: 2,439,642 km (0.113 R)
• M5: 2,993,154 km (0.093 R)
• M6: 4,573,805 km (0.118 R)
• M7: 5,990,198 km (0.1 R)
• M8: 6,626,587 km (0.108 R)
• M9: 8,366,261 km (0.08 R)
• M10: 8,845,273 km (0.089 R)
• M11: 9,524,597 km (0.109 R)
• M12: 10,393,162 km (0.078 R)
• M13: 12,818,593 km (0.114 R)
• M14: 13,272,024 km (0.099 R)
• M15: 15,396,164 km (0.111 R)
• M16: 18,646,178 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 13

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.3 AU - 2.72 AU

Year: 2697 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,541,601 km

• M1: 161,715 km (0.061 R)
• M2: 577,897 km (0.102 R)
• M3: 1,041,201 km (0.054 R)
• M4: 1,479,972 km (0.115 R)
• M5: 2,480,632 km (0.041 R)
• M6: 3,422,500 km (0.096 R)
• M7: 3,853,492 km (0.108 R)
• M8: 4,341,330 km (0.055 R)
• M9: 6,720,684 km (0.03 R)
• M10: 8,065,719 km (0.078 R)
• M11: 9,340,741 km (0.104 R)
• M12: 10,897,756 km (0.06 R)
• M13: 12,961,459 km (0.111 R)
• M14: 14,894,114 km (0.113 R)
• M15: 16,705,145 km (0.098 R)
• M16: 17,167,104 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.5

Radius: 3.2

Gravity: 94.38 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.03 AU - 7.17 AU

Year: 10218 Days

Day: 20.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 54,541,601 km

• M1: 39,793 km (0.103 R)
• M2: 362,924 km (0.055 R)
• M3: 495,767 km (0.119 R)
• M4: 1,008,888 km (0.086 R)
• M5: 1,262,008 km (0.119 R)
• M6: 1,410,708 km (0.078 R)
• M7: 1,980,676 km (0.06 R)
• M8: 2,356,615 km (0.074 R)
• M9: 3,006,917 km (0.035 R)
• M10: 3,223,236 km (0.064 R)
• M11: 3,424,295 km (0.099 R)
• M12: 3,580,475 km (0.077 R)
• M13: 3,851,397 km (0.083 R)
• M14: 4,464,449 km (0.108 R)
• M15: 6,373,617 km (0.059 R)
• M16: 6,610,132 km (0.102 R)
• M17: 6,771,099 km (0.111 R)
• M18: 8,960,015 km (0.119 R)
• M19: 9,509,039 km (0.116 R)
• M20: 9,611,214 km (0.117 R)
• M21: 9,869,869 km (0.046 R)
• M22: 10,186,418 km (0.09 R)
• M23: 10,347,086 km (0.099 R)
• M24: 10,839,563 km (0.068 R)
• M25: 12,655,681 km (0.11 R)
• M26: 15,145,887 km (0.073 R)
• M27: 16,212,669 km (0.104 R)
• M28: 18,894,660 km (0.106 R)
• M29: 19,056,226 km (0.076 R)
• M30: 19,218,689 km (0.114 R)
• M31: 23,964,831 km (0.066 R)
• M32: 26,809,434 km (0.097 R)
• M33: 30,866,529 km (0.117 R)
• M34: 31,090,776 km (0.069 R)
• M35: 32,806,963 km (0.088 R)
• M36: 33,392,788 km (0.1 R)
• M37: 37,689,987 km (0.09 R)
• M38: 38,721,464 km (0.062 R)
• M39: 41,110,841 km (0.026 R)
• M40: 45,888,548 km (0.097 R)
• M41: 46,768,334 km (0.117 R)
• M42: 46,915,987 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 16,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit