🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 8.5

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,646,263 km

• M1: 105,915 km (0.116 R)
• M2: 493,075 km (0.083 R)
• M3: 859,290 km (0.103 R)
• M4: 1,142,180 km (0.093 R)
• M5: 1,421,928 km (0.083 R)
• M6: 1,803,702 km (0.059 R)
• M7: 3,225,629 km (0.063 R)
• M8: 3,747,726 km (0.052 R)
• M9: 4,402,815 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 8.5

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,646,263 km

• M1: 106,813 km (0.062 R)
• M2: 461,659 km (0.074 R)
• M3: 761,902 km (0.12 R)
• M4: 1,095,356 km (0.088 R)
• M5: 1,464,713 km (0.099 R)
• M6: 1,998,478 km (0.083 R)
• M7: 2,419,446 km (0.091 R)
• M8: 3,390,935 km (0.1 R)
• M9: 4,484,196 km (0.095 R)
• M10: 5,032,173 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 11.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,646,263 km

• M1: 147,653 km (0.109 R)
• M2: 972,237 km (0.092 R)
• M3: 1,379,292 km (0.086 R)
• M4: 1,767,050 km (0.095 R)
• M5: 3,266,021 km (0.095 R)
• M6: 4,319,489 km (0.062 R)
• M7: 4,972,932 km (0.051 R)
• M8: 5,483,959 km (0.061 R)
• M9: 6,288,047 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.2

Radius: 14.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.26 AU - 2.98 AU

Year: 2927 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,646,263 km

• M1: 179,069 km (0.117 R)
• M2: 646,412 km (0.111 R)
• M3: 1,126,622 km (0.115 R)
• M4: 2,509,504 km (0.08 R)
• M5: 3,078,874 km (0.116 R)
• M6: 3,596,034 km (0.085 R)
• M7: 4,413,885 km (0.113 R)
• M8: 6,106,136 km (0.116 R)
• M9: 8,267,078 km (0.111 R)
• M10: 10,203,772 km (0.077 R)
• M11: 10,939,943 km (0.07 R)
• M12: 14,045,594 km (0.062 R)
• M13: 14,547,346 km (0.117 R)
• M14: 15,693,565 km (0.03 R)
• M15: 18,581,552 km (0.081 R)
• M16: 19,248,160 km (0.085 R)
• M17: 22,549,186 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 11

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.85 AU - 3.81 AU

Year: 4194 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,646,263 km

• M1: 136,882 km (0.052 R)
• M2: 510,428 km (0.085 R)
• M3: 914,791 km (0.1 R)
• M4: 1,490,593 km (0.103 R)
• M5: 2,245,763 km (0.045 R)
• M6: 2,982,682 km (0.11 R)
• M7: 3,442,546 km (0.065 R)
• M8: 3,836,737 km (0.078 R)
• M9: 5,319,999 km (0.06 R)
• M10: 6,386,632 km (0.102 R)
• M11: 6,763,170 km (0.115 R)
• M12: 7,183,091 km (0.107 R)
• M13: 7,891,138 km (0.059 R)
• M14: 9,275,517 km (0.112 R)
• M15: 10,043,552 km (0.111 R)
• M16: 10,553,980 km (0.11 R)
• M17: 11,508,415 km (0.043 R)
• M18: 11,946,288 km (0.026 R)
• M19: 12,813,058 km (0.088 R)
• M20: 15,092,480 km (0.115 R)
• M21: 15,521,078 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 8.4

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.38 AU - 5 AU

Year: 7011 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,646,263 km

• M1: 104,419 km (0.117 R)
• M2: 473,028 km (0.092 R)
• M3: 1,111,811 km (0.056 R)
• M4: 2,853,131 km (0.114 R)
• M5: 4,049,166 km (0.081 R)
• M6: 5,705,214 km (0.117 R)
• M7: 6,562,111 km (0.066 R)
• M8: 7,240,836 km (0.067 R)
• M9: 8,163,855 km (0.08 R)
• M10: 8,447,343 km (0.061 R)
• M11: 9,381,282 km (0.117 R)
• M12: 13,306,132 km (0.118 R)
• M13: 13,927,562 km (0.08 R)
• M14: 14,216,286 km (0.116 R)
• M15: 15,106,692 km (0.074 R)
• M16: 16,672,533 km (0.117 R)
• M17: 17,932,895 km (0.064 R)
• M18: 19,184,431 km (0.047 R)
• M19: 21,782,796 km (0.041 R)
• M20: 26,063,240 km (0.112 R)
• M21: 29,429,342 km (0.109 R)
• M22: 31,960,987 km (0.108 R)
• M23: 33,382,765 km (0.038 R)
• M24: 36,134,019 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.1

Radius: 3.2

Gravity: 71.2 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.73 AU - 7.27 AU

Year: 12784 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 57,646,263 km

• M1: 40,092 km (0.109 R)
• M2: 141,819 km (0.104 R)
• M3: 275,709 km (0.055 R)
• M4: 398,678 km (0.059 R)
• M5: 907,909 km (0.109 R)
• M6: 1,224,758 km (0.109 R)
• M7: 2,981,486 km (0.069 R)
• M8: 3,250,911 km (0.062 R)
• M9: 3,617,127 km (0.085 R)
• M10: 3,838,382 km (0.12 R)
• M11: 5,184,913 km (0.056 R)
• M12: 7,069,098 km (0.097 R)
• M13: 7,547,362 km (0.075 R)
• M14: 8,423,407 km (0.116 R)
• M15: 9,571,870 km (0.105 R)
• M16: 10,102,344 km (0.092 R)
• M17: 10,210,653 km (0.099 R)
• M18: 10,877,411 km (0.068 R)
• M19: 11,396,216 km (0.084 R)
• M20: 11,870,890 km (0.051 R)
• M21: 13,636,594 km (0.107 R)
• M22: 15,354,277 km (0.027 R)
• M23: 20,570,754 km (0.093 R)
• M24: 23,383,344 km (0.098 R)
• M25: 26,236,774 km (0.041 R)
• M26: 27,482,326 km (0.073 R)
• M27: 28,012,800 km (0.068 R)
• M28: 28,984,737 km (0.096 R)
• M29: 32,269,308 km (0.074 R)
• M30: 33,217,160 km (0.101 R)
• M31: 35,044,049 km (0.115 R)
• M32: 37,453,024 km (0.092 R)
• M33: 38,631,556 km (0.118 R)
• M34: 39,699,834 km (0.111 R)
• M35: 41,200,600 km (0.055 R)
• M36: 42,315,553 km (0.102 R)
• M37: 44,605,298 km (0.111 R)
• M38: 45,043,620 km (0.109 R)
• M39: 49,118,815 km (0.06 R)
• M40: 53,597,327 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 10,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit