🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.7

Radius: 9.7

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.96 AU - 2.84 AU

Year: 2364 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,498,645 km

• M1: 120,875 km (0.085 R)
• M2: 501,153 km (0.064 R)
• M3: 918,381 km (0.046 R)
• M4: 1,827,637 km (0.05 R)
• M5: 2,474,947 km (0.095 R)
• M6: 2,884,247 km (0.115 R)
• M7: 3,233,558 km (0.059 R)
• M8: 3,918,267 km (0.103 R)
• M9: 4,854,900 km (0.039 R)
• M10: 5,625,179 km (0.076 R)
• M11: 6,502,571 km (0.057 R)
• M12: 6,814,482 km (0.114 R)
• M13: 7,716,557 km (0.073 R)
• M14: 9,075,654 km (0.112 R)
• M15: 9,465,955 km (0.103 R)
• M16: 11,261,578 km (0.055 R)
• M17: 11,588,300 km (0.095 R)
• M18: 13,093,554 km (0.118 R)
• M19: 14,151,211 km (0.091 R)
• M20: 15,264,668 km (0.092 R)
• M21: 16,909,795 km (0.09 R)
• M22: 19,712,063 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 10.9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.98 AU - 4.96 AU

Year: 5029 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,498,645 km

• M1: 135,536 km (0.092 R)
• M2: 504,294 km (0.116 R)
• M3: 1,042,248 km (0.048 R)
• M4: 1,407,866 km (0.096 R)
• M5: 1,959,732 km (0.115 R)
• M6: 2,477,490 km (0.057 R)
• M7: 3,676,068 km (0.12 R)
• M8: 4,442,608 km (0.116 R)
• M9: 5,370,414 km (0.049 R)
• M10: 5,788,241 km (0.101 R)
• M11: 6,292,236 km (0.057 R)
• M12: 8,174,327 km (0.109 R)
• M13: 10,405,429 km (0.083 R)
• M14: 10,821,162 km (0.116 R)
• M15: 11,199,944 km (0.1 R)
• M16: 12,034,251 km (0.119 R)
• M17: 12,544,230 km (0.084 R)
• M18: 13,121,678 km (0.03 R)
• M19: 14,216,884 km (0.074 R)
• M20: 15,790,953 km (0.098 R)
• M21: 16,402,509 km (0.086 R)
• M22: 18,398,743 km (0.073 R)
• M23: 19,559,772 km (0.064 R)
• M24: 21,429,147 km (0.054 R)
• M25: 22,178,782 km (0.103 R)
• M26: 23,101,352 km (0.105 R)
• M27: 27,924,986 km (0.114 R)
• M28: 31,713,701 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.7

Radius: 8.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.79 AU - 4.35 AU

Year: 5221 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,498,645 km

• M1: 103,372 km (0.072 R)
• M2: 440,865 km (0.11 R)
• M3: 1,476,681 km (0.055 R)
• M4: 3,376,125 km (0.115 R)
• M5: 3,680,556 km (0.1 R)
• M6: 3,983,642 km (0.087 R)
• M7: 4,491,078 km (0.105 R)
• M8: 5,439,528 km (0.053 R)
• M9: 6,847,992 km (0.114 R)
• M10: 7,850,747 km (0.091 R)
• M11: 8,814,157 km (0.027 R)
• M12: 10,591,828 km (0.034 R)
• M13: 13,287,582 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 11.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.53 AU - 4.95 AU

Year: 5551 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,498,645 km

• M1: 150,495 km (0.042 R)
• M2: 539,600 km (0.081 R)
• M3: 929,003 km (0.091 R)
• M4: 1,313,918 km (0.108 R)
• M5: 2,018,823 km (0.105 R)
• M6: 2,702,186 km (0.098 R)
• M7: 3,964,044 km (0.108 R)
• M8: 5,011,229 km (0.096 R)
• M9: 7,072,539 km (0.092 R)
• M10: 7,647,294 km (0.066 R)
• M11: 8,060,333 km (0.034 R)
• M12: 8,687,747 km (0.114 R)
• M13: 9,305,436 km (0.031 R)
• M14: 10,907,630 km (0.103 R)
• M15: 11,287,309 km (0.072 R)
• M16: 12,634,587 km (0.036 R)
• M17: 13,213,232 km (0.116 R)
• M18: 16,874,490 km (0.093 R)
• M19: 17,771,479 km (0.09 R)
• M20: 18,971,254 km (0.09 R)
• M21: 21,605,672 km (0.113 R)
• M22: 22,740,073 km (0.049 R)
• M23: 25,375,090 km (0.119 R)
• M24: 26,809,135 km (0.1 R)
• M25: 28,744,184 km (0.116 R)
• M26: 29,930,495 km (0.116 R)
• M27: 31,530,743 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.4

Radius: 4.6

Gravity: 34.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.07 AU - 7.99 AU

Year: 13138 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,498,645 km

• M1: 57,296 km (0.084 R)
• M2: 242,797 km (0.067 R)
• M3: 671,096 km (0.119 R)
• M4: 2,761,128 km (0.116 R)
• M5: 4,575,301 km (0.078 R)
• M6: 5,311,921 km (0.077 R)
• M7: 6,086,090 km (0.089 R)
• M8: 6,241,672 km (0.073 R)
• M9: 7,059,823 km (0.089 R)
• M10: 7,231,711 km (0.089 R)
• M11: 8,807,126 km (0.062 R)
• M12: 9,157,783 km (0.119 R)
• M13: 9,310,822 km (0.113 R)
• M14: 11,225,525 km (0.088 R)
• M15: 11,697,357 km (0.104 R)
• M16: 12,059,832 km (0.072 R)
• M17: 13,651,105 km (0.101 R)
• M18: 14,600,902 km (0.03 R)
• M19: 14,950,362 km (0.091 R)
• M20: 17,712,986 km (0.044 R)
• M21: 18,514,232 km (0.109 R)
• M22: 28,871,043 km (0.084 R)
• M23: 35,192,899 km (0.045 R)
• M24: 41,674,676 km (0.096 R)
• M25: 41,954,872 km (0.087 R)
• M26: 45,862,219 km (0.049 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: 234 - 14,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit