🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 13.3

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.71 AU - 0.87 AU

Year: 468 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,075,237 km

• M1: 165,455 km (0.106 R)
• M2: 721,211 km (0.045 R)
• M3: 1,190,949 km (0.099 R)
• M4: 1,760,318 km (0.025 R)
• M5: 2,538,825 km (0.063 R)
• M6: 2,952,464 km (0.099 R)
• M7: 3,399,163 km (0.119 R)
• M8: 4,126,657 km (0.073 R)
• M9: 4,955,878 km (0.12 R)
• M10: 5,419,033 km (0.086 R)
• M11: 6,395,010 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 10.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.91 AU - 1.03 AU

Year: 637 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,075,237 km

• M1: 140,323 km (0.096 R)
• M2: 616,493 km (0.028 R)
• M3: 1,014,573 km (0.104 R)
• M4: 1,455,886 km (0.117 R)
• M5: 1,851,573 km (0.115 R)
• M6: 3,494,606 km (0.109 R)
• M7: 4,115,737 km (0.106 R)
• M8: 4,549,720 km (0.1 R)
• M9: 5,425,017 km (0.066 R)
• M10: 5,769,990 km (0.102 R)
• M11: 6,409,222 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 8.6

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.87 AU - 2.41 AU

Year: 2088 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,075,237 km

• M1: 107,262 km (0.068 R)
• M2: 675,285 km (0.116 R)
• M3: 954,434 km (0.118 R)
• M4: 1,460,674 km (0.085 R)
• M5: 1,803,702 km (0.033 R)
• M6: 2,213,151 km (0.095 R)
• M7: 2,654,315 km (0.111 R)
• M8: 3,219,795 km (0.048 R)
• M9: 5,548,884 km (0.097 R)
• M10: 6,024,306 km (0.101 R)
• M11: 8,754,019 km (0.115 R)
• M12: 13,906,020 km (0.107 R)
• M13: 16,648,747 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 13.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.5 AU - 3.6 AU

Year: 3552 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,075,237 km

• M1: 171,589 km (0.06 R)
• M2: 608,564 km (0.082 R)
• M3: 1,289,833 km (0.108 R)
• M4: 1,961,378 km (0.058 R)
• M5: 2,843,108 km (0.081 R)
• M6: 4,364,368 km (0.1 R)
• M7: 5,196,132 km (0.111 R)
• M8: 6,104,640 km (0.069 R)
• M9: 6,541,316 km (0.092 R)
• M10: 8,535,307 km (0.077 R)
• M11: 9,873,908 km (0.105 R)
• M12: 10,554,878 km (0.119 R)
• M13: 11,026,261 km (0.03 R)
• M14: 11,926,989 km (0.065 R)
• M15: 13,323,934 km (0.06 R)
• M16: 13,968,402 km (0.106 R)
• M17: 15,270,053 km (0.059 R)
• M18: 16,703,949 km (0.101 R)
• M19: 17,183,260 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 9.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.55 AU - 4.11 AU

Year: 4998 Days

Day: 14 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,075,237 km

• M1: 139,724 km (0.087 R)
• M2: 509,381 km (0.117 R)
• M3: 1,004,699 km (0.062 R)
• M4: 1,346,381 km (0.119 R)
• M5: 2,008,052 km (0.101 R)
• M6: 2,560,218 km (0.111 R)
• M7: 3,083,063 km (0.119 R)
• M8: 5,721,670 km (0.114 R)
• M9: 6,406,978 km (0.111 R)
• M10: 6,708,417 km (0.081 R)
• M11: 7,603,013 km (0.096 R)
• M12: 9,318,751 km (0.051 R)
• M13: 10,934,258 km (0.115 R)
• M14: 14,452,501 km (0.092 R)
• M15: 15,183,885 km (0.094 R)
• M16: 16,271,312 km (0.098 R)
• M17: 19,278,229 km (0.034 R)
• M18: 23,196,795 km (0.091 R)
• M19: 23,694,358 km (0.099 R)
• M20: 24,054,141 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 14.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.77 AU - 4.59 AU

Year: 5699 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 18,075,237 km

• M1: 191,934 km (0.11 R)
• M2: 816,206 km (0.09 R)
• M3: 1,280,707 km (0.076 R)
• M4: 2,109,779 km (0.056 R)
• M5: 2,611,231 km (0.074 R)
• M6: 3,172,372 km (0.116 R)
• M7: 4,154,034 km (0.08 R)
• M8: 5,300,253 km (0.042 R)
• M9: 5,820,704 km (0.116 R)
• M10: 6,929,523 km (0.106 R)
• M11: 7,478,098 km (0.093 R)
• M12: 10,061,504 km (0.069 R)
• M13: 10,911,669 km (0.102 R)
• M14: 11,404,444 km (0.083 R)
• M15: 12,381,917 km (0.08 R)
• M16: 14,621,696 km (0.099 R)
• M17: 16,025,821 km (0.05 R)
• M18: 17,719,569 km (0.063 R)
• M19: 19,818,876 km (0.094 R)
• M20: 22,314,617 km (0.036 R)
• M21: 27,558,770 km (0.114 R)
• M22: 31,051,432 km (0.097 R)
• M23: 32,649,436 km (0.077 R)
• M24: 36,883,654 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.9

Radius: 4.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.65 AU - 5.99 AU

Year: 9363 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,075,237 km

• M1: 51,013 km (0.08 R)
• M2: 180,565 km (0.1 R)
• M3: 557,402 km (0.086 R)
• M4: 734,675 km (0.072 R)
• M5: 1,071,570 km (0.079 R)
• M6: 2,132,817 km (0.1 R)
• M7: 2,780,276 km (0.1 R)
• M8: 3,388,990 km (0.095 R)
• M9: 3,622,662 km (0.031 R)
• M10: 3,983,343 km (0.117 R)
• M11: 4,430,341 km (0.097 R)
• M12: 7,624,555 km (0.115 R)
• M13: 8,803,386 km (0.043 R)
• M14: 10,695,949 km (0.029 R)
• M15: 11,356,124 km (0.085 R)
• M16: 12,292,158 km (0.091 R)
• M17: 14,642,640 km (0.063 R)
• M18: 15,213,505 km (0.074 R)
• M19: 16,705,594 km (0.082 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 16,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit