🌌 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: 844.7

Radius: 8.7

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.6 AU - 0.8 AU

Year: 397 Days

Day: 9.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,809,237 km

• M1: 110,553 km (0.11 R)
• M2: 585,227 km (0.104 R)
• M3: 864,975 km (0.112 R)
• M4: 1,162,375 km (0.101 R)
• M5: 1,501,813 km (0.035 R)
• M6: 2,140,895 km (0.074 R)
• M7: 2,412,864 km (0.049 R)
• M8: 2,918,056 km (0.078 R)
• M9: 3,871,742 km (0.065 R)
• M10: 4,624,220 km (0.111 R)
• M11: 5,066,880 km (0.058 R)
• M12: 5,470,944 km (0.113 R)
• M13: 5,757,872 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 12.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.16 AU - 1.68 AU

Year: 1148 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,809,237 km

• M1: 150,495 km (0.047 R)
• M2: 594,652 km (0.064 R)
• M3: 1,047,185 km (0.099 R)
• M4: 2,261,321 km (0.093 R)
• M5: 3,149,035 km (0.11 R)
• M6: 3,751,017 km (0.055 R)
• M7: 4,696,326 km (0.065 R)
• M8: 5,565,789 km (0.098 R)
• M9: 6,562,559 km (0.056 R)
• M10: 8,276,053 km (0.118 R)
• M11: 8,685,054 km (0.036 R)
• M12: 9,691,997 km (0.069 R)
• M13: 10,085,290 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 8.3

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.47 AU - 1.99 AU

Year: 1543 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,809,237 km

• M1: 112,049 km (0.059 R)
• M2: 416,929 km (0.096 R)
• M3: 1,059,751 km (0.11 R)
• M4: 1,693,747 km (0.034 R)
• M5: 2,366,339 km (0.057 R)
• M6: 2,722,382 km (0.049 R)
• M7: 2,994,052 km (0.108 R)
• M8: 3,526,022 km (0.088 R)
• M9: 4,010,270 km (0.106 R)
• M10: 4,942,863 km (0.119 R)
• M11: 5,240,413 km (0.105 R)
• M12: 5,549,931 km (0.092 R)
• M13: 6,782,019 km (0.111 R)
• M14: 7,176,958 km (0.067 R)
• M15: 7,868,998 km (0.107 R)
• M16: 8,128,849 km (0.114 R)
• M17: 8,757,459 km (0.117 R)
• M18: 9,843,390 km (0.046 R)
• M19: 10,838,366 km (0.098 R)
• M20: 11,124,247 km (0.068 R)
• M21: 12,435,024 km (0.072 R)
• M22: 12,947,097 km (0.069 R)
• M23: 13,269,182 km (0.111 R)
• M24: 13,637,940 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 11.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.88 AU - 5.06 AU

Year: 6410 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,809,237 km

• M1: 216,618 km (0.115 R)
• M2: 873,352 km (0.111 R)
• M3: 3,462,293 km (0.062 R)
• M4: 4,192,480 km (0.104 R)
• M5: 4,616,441 km (0.06 R)
• M6: 5,379,240 km (0.08 R)
• M7: 7,274,346 km (0.1 R)
• M8: 9,049,026 km (0.078 R)
• M9: 15,780,930 km (0.085 R)
• M10: 16,812,557 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.6

Radius: 14.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.77 AU - 5.57 AU

Year: 6845 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,809,237 km

• M1: 182,809 km (0.117 R)
• M2: 693,536 km (0.111 R)
• M3: 1,393,504 km (0.116 R)
• M4: 1,936,245 km (0.108 R)
• M5: 3,073,339 km (0.092 R)
• M6: 3,625,056 km (0.088 R)
• M7: 4,348,062 km (0.101 R)
• M8: 5,533,176 km (0.109 R)
• M9: 8,923,064 km (0.078 R)
• M10: 9,775,622 km (0.118 R)
• M11: 11,180,945 km (0.083 R)
• M12: 11,958,854 km (0.072 R)
• M13: 12,661,964 km (0.088 R)
• M14: 17,135,090 km (0.109 R)
• M15: 17,612,905 km (0.055 R)
• M16: 18,381,838 km (0.099 R)
• M17: 20,288,314 km (0.068 R)
• M18: 22,894,009 km (0.05 R)
• M19: 24,149,285 km (0.102 R)
• M20: 28,475,207 km (0.118 R)
• M21: 34,903,278 km (0.107 R)
• M22: 35,561,807 km (0.082 R)
• M23: 37,932,186 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.8

Radius: 6.2

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.26 AU - 7.08 AU

Year: 10395 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,809,237 km

• M1: 77,193 km (0.11 R)
• M2: 285,582 km (0.077 R)
• M3: 482,902 km (0.092 R)
• M4: 721,361 km (0.08 R)
• M5: 1,939,836 km (0.104 R)
• M6: 2,234,394 km (0.098 R)
• M7: 2,692,612 km (0.059 R)
• M8: 2,933,913 km (0.102 R)
• M9: 3,721,397 km (0.111 R)
• M10: 5,323,889 km (0.098 R)
• M11: 8,178,665 km (0.117 R)
• M12: 9,533,573 km (0.107 R)
• M13: 12,680,364 km (0.087 R)
• M14: 19,552,292 km (0.111 R)
• M15: 26,863,589 km (0.085 R)
• M16: 39,259,717 km (0.061 R)
• M17: 39,616,658 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.8

Radius: 5.9

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.31 AU - 7.45 AU

Year: 13598 Days

Day: 20.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,809,237 km

• M1: 73,901 km (0.081 R)
• M2: 301,589 km (0.115 R)
• M3: 616,792 km (0.095 R)
• M4: 834,158 km (0.063 R)
• M5: 1,069,176 km (0.116 R)
• M6: 1,258,417 km (0.112 R)
• M7: 2,035,877 km (0.094 R)
• M8: 2,758,286 km (0.1 R)
• M9: 3,310,601 km (0.108 R)
• M10: 4,244,391 km (0.104 R)
• M11: 4,946,753 km (0.108 R)
• M12: 5,208,250 km (0.115 R)
• M13: 7,017,187 km (0.071 R)
• M14: 10,431,011 km (0.084 R)
• M15: 11,248,264 km (0.081 R)
• M16: 11,990,569 km (0.118 R)
• M17: 12,643,713 km (0.087 R)
• M18: 15,014,989 km (0.074 R)
• M19: 15,913,922 km (0.071 R)
• M20: 22,338,852 km (0.028 R)
• M21: 27,364,742 km (0.06 R)
• M22: 27,669,921 km (0.104 R)
• M23: 29,548,422 km (0.087 R)
• M24: 34,141,525 km (0.063 R)
• M25: 38,167,204 km (0.116 R)
• M26: 39,966,717 km (0.103 R)
• M27: 42,226,692 km (0.101 R)
• M28: 44,150,820 km (0.058 R)
• M29: 44,711,213 km (0.094 R)
• M30: 46,132,692 km (0.097 R)
• M31: 47,145,470 km (0.108 R)
• M32: 48,915,961 km (0.098 R)
• M33: 49,215,306 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 17,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit