🌌 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: 905.3

Radius: 12.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.88 AU

Year: 397 Days

Day: 6 Hours

Environment

Temp: -166 °C

Axial Tilt: 125.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,958,761 km

• M1: 157,975 km (0.109 R)
• M2: 930,798 km (0.099 R)
• M3: 1,402,031 km (0.077 R)
• M4: 2,083,898 km (0.067 R)
• M5: 2,818,424 km (0.109 R)
• M6: 3,483,536 km (0.119 R)
• M7: 3,992,468 km (0.115 R)
• M8: 4,463,701 km (0.069 R)
• M9: 5,273,026 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 11.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,958,761 km

• M1: 147,653 km (0.072 R)
• M2: 691,142 km (0.107 R)
• M3: 1,102,237 km (0.111 R)
• M4: 1,695,692 km (0.092 R)
• M5: 2,153,761 km (0.112 R)
• M6: 2,533,739 km (0.116 R)
• M7: 3,137,666 km (0.093 R)
• M8: 3,567,161 km (0.098 R)
• M9: 4,987,294 km (0.101 R)
• M10: 5,746,802 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 13.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.14 AU - 1.26 AU

Year: 892 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,958,761 km

• M1: 167,400 km (0.119 R)
• M2: 848,220 km (0.115 R)
• M3: 1,492,089 km (0.04 R)
• M4: 2,092,126 km (0.095 R)
• M5: 2,813,338 km (0.102 R)
• M6: 3,592,144 km (0.063 R)
• M7: 4,242,596 km (0.098 R)
• M8: 4,754,370 km (0.09 R)
• M9: 5,231,138 km (0.09 R)
• M10: 5,800,657 km (0.12 R)
• M11: 6,788,901 km (0.102 R)
• M12: 7,443,691 km (0.051 R)
• M13: 8,269,172 km (0.115 R)
• M14: 9,182,616 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 8.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.5 AU - 3.44 AU

Year: 3472 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,958,761 km

• M1: 104,419 km (0.118 R)
• M2: 424,110 km (0.06 R)
• M3: 697,276 km (0.036 R)
• M4: 1,208,452 km (0.096 R)
• M5: 1,483,263 km (0.08 R)
• M6: 2,036,625 km (0.112 R)
• M7: 2,430,816 km (0.115 R)
• M8: 2,736,295 km (0.056 R)
• M9: 3,425,492 km (0.067 R)
• M10: 4,412,389 km (0.117 R)
• M11: 5,752,038 km (0.035 R)
• M12: 6,793,539 km (0.025 R)
• M13: 7,524,175 km (0.102 R)
• M14: 10,068,236 km (0.061 R)
• M15: 11,135,018 km (0.104 R)
• M16: 11,493,305 km (0.098 R)
• M17: 11,900,511 km (0.059 R)
• M18: 13,312,864 km (0.106 R)
• M19: 15,365,496 km (0.084 R)
• M20: 15,909,883 km (0.072 R)
• M21: 17,300,695 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 10.5

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.49 AU - 4.77 AU

Year: 5693 Days

Day: 12.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,958,761 km

• M1: 130,599 km (0.112 R)
• M2: 796,758 km (0.094 R)
• M3: 1,670,709 km (0.117 R)
• M4: 2,329,538 km (0.118 R)
• M5: 3,850,649 km (0.053 R)
• M6: 4,336,244 km (0.119 R)
• M7: 4,835,302 km (0.082 R)
• M8: 6,366,137 km (0.109 R)
• M9: 7,663,450 km (0.062 R)
• M10: 9,555,564 km (0.088 R)
• M11: 10,448,364 km (0.092 R)
• M12: 11,347,148 km (0.105 R)
• M13: 12,399,569 km (0.101 R)
• M14: 15,886,546 km (0.078 R)
• M15: 16,882,718 km (0.033 R)
• M16: 17,591,363 km (0.089 R)
• M17: 22,651,362 km (0.111 R)
• M18: 23,197,394 km (0.077 R)
• M19: 25,302,984 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.5

Radius: 7.7

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.02 AU - 8.02 AU

Year: 13987 Days

Day: 21.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,958,761 km

• M1: 95,892 km (0.035 R)
• M2: 361,428 km (0.094 R)
• M3: 654,491 km (0.053 R)
• M4: 926,908 km (0.061 R)
• M5: 1,171,202 km (0.084 R)
• M6: 1,710,652 km (0.093 R)
• M7: 2,103,795 km (0.084 R)
• M8: 2,384,590 km (0.039 R)
• M9: 3,198,253 km (0.088 R)
• M10: 3,768,520 km (0.083 R)
• M11: 4,062,929 km (0.115 R)
• M12: 6,659,499 km (0.065 R)
• M13: 9,481,663 km (0.036 R)
• M14: 10,196,292 km (0.096 R)
• M15: 11,064,857 km (0.045 R)
• M16: 12,555,899 km (0.106 R)
• M17: 13,553,118 km (0.069 R)
• M18: 13,827,780 km (0.111 R)
• M19: 14,246,804 km (0.075 R)
• M20: 20,852,746 km (0.049 R)
• M21: 22,248,495 km (0.114 R)
• M22: 22,534,974 km (0.109 R)
• M23: 23,017,876 km (0.052 R)
• M24: 24,204,935 km (0.039 R)
• M25: 24,813,649 km (0.085 R)
• M26: 32,564,016 km (0.072 R)
• M27: 32,809,955 km (0.067 R)
• M28: 34,185,058 km (0.052 R)
• M29: 34,694,439 km (0.067 R)
• M30: 35,598,160 km (0.097 R)
• M31: 37,049,708 km (0.11 R)
• M32: 38,129,954 km (0.116 R)
• M33: 39,649,270 km (0.067 R)
• M34: 44,751,754 km (0.096 R)
• M35: 46,286,180 km (0.114 R)
• M36: 49,622,063 km (0.064 R)
• M37: 50,111,248 km (0.039 R)
• M38: 51,099,491 km (0.063 R)
• M39: 64,958,687 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 12,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit