🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 9.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.1 AU - 1.74 AU

Year: 1128 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,413,752 km

• M1: 119,379 km (0.068 R)
• M2: 501,003 km (0.079 R)
• M3: 806,482 km (0.099 R)
• M4: 1,269,488 km (0.056 R)
• M5: 1,685,818 km (0.049 R)
• M6: 1,987,557 km (0.117 R)
• M7: 2,702,785 km (0.086 R)
• M8: 3,264,525 km (0.108 R)
• M9: 3,651,983 km (0.044 R)
• M10: 4,519,950 km (0.091 R)
• M11: 6,509,602 km (0.07 R)
• M12: 7,757,248 km (0.09 R)
• M13: 8,273,361 km (0.117 R)
• M14: 8,578,391 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 15

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.66 AU - 2.16 AU

Year: 1760 Days

Day: 6.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,413,752 km

• M1: 189,989 km (0.099 R)
• M2: 691,142 km (0.08 R)
• M3: 1,487,900 km (0.053 R)
• M4: 4,129,200 km (0.028 R)
• M5: 5,223,658 km (0.094 R)
• M6: 6,211,603 km (0.066 R)
• M7: 7,161,400 km (0.082 R)
• M8: 8,610,255 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 10.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.84 AU - 3.6 AU

Year: 3853 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,413,752 km

• M1: 131,945 km (0.108 R)
• M2: 543,040 km (0.11 R)
• M3: 917,933 km (0.089 R)
• M4: 1,376,899 km (0.107 R)
• M5: 1,720,824 km (0.026 R)
• M6: 2,354,521 km (0.105 R)
• M7: 2,887,837 km (0.103 R)
• M8: 3,723,042 km (0.066 R)
• M9: 4,265,185 km (0.03 R)
• M10: 7,041,572 km (0.109 R)
• M11: 7,667,340 km (0.086 R)
• M12: 9,729,098 km (0.095 R)
• M13: 12,136,426 km (0.099 R)
• M14: 12,652,090 km (0.082 R)
• M15: 13,677,285 km (0.1 R)
• M16: 17,378,336 km (0.082 R)
• M17: 18,582,449 km (0.096 R)
• M18: 19,649,082 km (0.105 R)
• M19: 20,955,670 km (0.118 R)
• M20: 21,426,305 km (0.107 R)
• M21: 22,458,829 km (0.113 R)
• M22: 23,236,738 km (0.063 R)
• M23: 25,146,953 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 12.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.91 AU - 4.45 AU

Year: 4708 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 72.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,413,752 km

• M1: 160,519 km (0.108 R)
• M2: 629,657 km (0.076 R)
• M3: 1,820,307 km (0.092 R)
• M4: 2,399,999 km (0.065 R)
• M5: 2,815,133 km (0.076 R)
• M6: 3,407,092 km (0.087 R)
• M7: 4,383,517 km (0.109 R)
• M8: 6,386,034 km (0.047 R)
• M9: 7,508,916 km (0.065 R)
• M10: 8,477,861 km (0.071 R)
• M11: 9,987,902 km (0.097 R)
• M12: 11,975,609 km (0.116 R)
• M13: 13,203,209 km (0.062 R)
• M14: 14,968,314 km (0.104 R)
• M15: 16,941,510 km (0.039 R)
• M16: 17,617,244 km (0.095 R)
• M17: 20,375,080 km (0.084 R)
• M18: 20,946,544 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 8.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.28 AU - 5.5 AU

Year: 8345 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,413,752 km

• M1: 101,727 km (0.107 R)
• M2: 430,094 km (0.103 R)
• M3: 1,975,889 km (0.119 R)
• M4: 3,741,293 km (0.087 R)
• M5: 4,389,202 km (0.115 R)
• M6: 5,876,803 km (0.076 R)
• M7: 14,767,105 km (0.113 R)
• M8: 18,998,182 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.9

Radius: 7.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.01 AU - 7.07 AU

Year: 9899 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,413,752 km

• M1: 94,097 km (0.087 R)
• M2: 2,251,298 km (0.111 R)
• M3: 2,958,298 km (0.081 R)
• M4: 3,559,382 km (0.105 R)
• M5: 4,026,726 km (0.117 R)
• M6: 5,042,795 km (0.077 R)
• M7: 6,243,467 km (0.105 R)
• M8: 7,786,120 km (0.039 R)
• M9: 8,033,555 km (0.093 R)
• M10: 8,748,334 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 6.4

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.51 AU - 10.81 AU

Year: 20021 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,413,752 km

• M1: 79,736 km (0.064 R)
• M2: 381,475 km (0.046 R)
• M3: 759,060 km (0.066 R)
• M4: 971,189 km (0.093 R)
• M5: 1,551,330 km (0.111 R)
• M6: 3,773,307 km (0.091 R)
• M7: 4,017,451 km (0.106 R)
• M8: 4,436,774 km (0.058 R)
• M9: 5,101,437 km (0.055 R)
• M10: 11,660,556 km (0.102 R)
• M11: 13,545,938 km (0.06 R)
• M12: 17,654,643 km (0.081 R)
• M13: 19,944,388 km (0.101 R)
• M14: 25,641,973 km (0.084 R)
• M15: 34,538,109 km (0.111 R)
• M16: 38,095,397 km (0.111 R)
• M17: 41,588,956 km (0.086 R)
• M18: 42,799,352 km (0.114 R)
• M19: 49,879,221 km (0.094 R)
• M20: 50,558,994 km (0.1 R)
• M21: 52,111,221 km (0.097 R)
• M22: 62,293,152 km (0.091 R)
• M23: 63,677,082 km (0.099 R)
• M24: 66,301,477 km (0.103 R)
• M25: 66,711,525 km (0.061 R)
• M26: 67,743,900 km (0.055 R)
• M27: 69,418,050 km (0.091 R)
• M28: 70,905,352 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: 328 - 15,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit