🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 11

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.01 AU - 1.11 AU

Year: 705 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,062,331 km

• M1: 136,882 km (0.085 R)
• M2: 569,220 km (0.115 R)
• M3: 1,434,344 km (0.08 R)
• M4: 1,923,081 km (0.055 R)
• M5: 2,941,693 km (0.114 R)
• M6: 3,545,918 km (0.109 R)
• M7: 4,231,376 km (0.098 R)
• M8: 5,533,326 km (0.115 R)
• M9: 6,230,153 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 13.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.84 AU - 1.36 AU

Year: 745 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,062,331 km

• M1: 172,935 km (0.085 R)
• M2: 710,291 km (0.088 R)
• M3: 1,276,668 km (0.113 R)
• M4: 1,719,029 km (0.069 R)
• M5: 2,283,761 km (0.064 R)
• M6: 2,792,693 km (0.04 R)
• M7: 3,484,733 km (0.1 R)
• M8: 3,950,581 km (0.07 R)
• M9: 4,544,484 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 14.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.16 AU - 1.16 AU

Year: 807 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,062,331 km

• M1: 183,257 km (0.045 R)
• M2: 734,974 km (0.116 R)
• M3: 1,972,598 km (0.099 R)
• M4: 3,054,938 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 10.5

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.67 AU - 1.77 AU

Year: 1456 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,062,331 km

• M1: 130,749 km (0.099 R)
• M2: 516,861 km (0.105 R)
• M3: 908,209 km (0.115 R)
• M4: 1,483,263 km (0.099 R)
• M5: 1,865,336 km (0.097 R)
• M6: 3,363,559 km (0.111 R)
• M7: 4,032,261 km (0.092 R)
• M8: 4,726,096 km (0.111 R)
• M9: 5,363,532 km (0.106 R)
• M10: 6,203,076 km (0.107 R)
• M11: 6,577,818 km (0.053 R)
• M12: 7,708,479 km (0.11 R)
• M13: 8,653,489 km (0.08 R)
• M14: 10,844,050 km (0.046 R)
• M15: 12,067,761 km (0.114 R)
• M16: 13,054,359 km (0.111 R)
• M17: 13,629,862 km (0.118 R)
• M18: 14,265,204 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 14

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.64 AU - 5.28 AU

Year: 7132 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 130.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,062,331 km

• M1: 236,664 km (0.081 R)
• M2: 714,779 km (0.034 R)
• M3: 1,812,977 km (0.069 R)
• M4: 2,511,449 km (0.101 R)
• M5: 3,482,190 km (0.061 R)
• M6: 4,088,061 km (0.081 R)
• M7: 4,642,022 km (0.086 R)
• M8: 5,245,949 km (0.093 R)
• M9: 6,161,787 km (0.11 R)
• M10: 7,545,866 km (0.119 R)
• M11: 9,090,165 km (0.109 R)
• M12: 10,203,472 km (0.113 R)
• M13: 10,793,187 km (0.117 R)
• M14: 15,090,984 km (0.04 R)
• M15: 15,802,173 km (0.095 R)
• M16: 19,187,124 km (0.058 R)
• M17: 21,558,400 km (0.111 R)
• M18: 22,672,754 km (0.096 R)
• M19: 23,898,260 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923

Radius: 4.2

Gravity: 52.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.65 AU - 11.33 AU

Year: 23524 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,062,331 km

• M1: 52,359 km (0.082 R)
• M2: 588,967 km (0.113 R)
• M3: 969,394 km (0.101 R)
• M4: 1,176,138 km (0.059 R)
• M5: 1,754,783 km (0.104 R)
• M6: 2,287,950 km (0.107 R)
• M7: 2,813,487 km (0.116 R)
• M8: 4,239,454 km (0.115 R)
• M9: 4,987,743 km (0.118 R)
• M10: 5,689,805 km (0.066 R)
• M11: 6,741,478 km (0.092 R)
• M12: 7,287,660 km (0.091 R)
• M13: 9,221,662 km (0.05 R)
• M14: 12,394,333 km (0.096 R)
• M15: 12,985,544 km (0.106 R)
• M16: 13,672,797 km (0.06 R)
• M17: 14,707,864 km (0.036 R)
• M18: 14,953,803 km (0.117 R)
• M19: 17,752,181 km (0.091 R)
• M20: 18,789,343 km (0.1 R)
• M21: 20,880,572 km (0.084 R)
• M22: 22,035,467 km (0.068 R)
• M23: 22,465,860 km (0.098 R)
• M24: 25,166,251 km (0.117 R)
• M25: 35,865,641 km (0.094 R)
• M26: 42,779,755 km (0.11 R)
• M27: 46,900,877 km (0.035 R)
• M28: 51,467,053 km (0.111 R)
• M29: 55,722,664 km (0.094 R)
• M30: 61,895,221 km (0.073 R)
• M31: 64,267,993 km (0.06 R)
• M32: 66,924,851 km (0.094 R)
• M33: 74,607,001 km (0.082 R)
• M34: 77,045,895 km (0.107 R)
• M35: 80,548,879 km (0.092 R)
• M36: 81,568,837 km (0.076 R)
• M37: 85,734,988 km (0.101 R)
• M38: 89,222,713 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.2

Radius: 5.2

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.68 AU - 12.5 AU

Year: 23846 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,062,331 km

• M1: 68,217 km (0.074 R)
• M2: 282,441 km (0.098 R)
• M3: 479,760 km (0.119 R)
• M4: 927,507 km (0.117 R)
• M5: 2,358,410 km (0.03 R)
• M6: 5,552,624 km (0.049 R)
• M7: 8,299,839 km (0.076 R)
• M8: 15,874,728 km (0.117 R)
• M9: 19,644,893 km (0.101 R)
• M10: 22,171,452 km (0.104 R)
• M11: 29,124,910 km (0.054 R)
• M12: 31,402,388 km (0.063 R)
• M13: 35,368,527 km (0.097 R)
• M14: 39,369,522 km (0.078 R)
• M15: 49,744,284 km (0.079 R)
• M16: 54,748,931 km (0.104 R)
• M17: 57,097,468 km (0.105 R)
• M18: 61,031,443 km (0.112 R)
• M19: 64,345,635 km (0.115 R)
• M20: 68,189,402 km (0.028 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 19,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit