🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.59 AU - 0.97 AU

Year: 467 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,826,859 km

• M1: 163,211 km (0.081 R)
• M2: 612,304 km (0.085 R)
• M3: 1,022,950 km (0.046 R)
• M4: 1,437,187 km (0.087 R)
• M5: 1,894,059 km (0.117 R)
• M6: 2,953,810 km (0.073 R)
• M7: 3,368,944 km (0.085 R)
• M8: 3,956,714 km (0.068 R)
• M9: 4,463,851 km (0.088 R)
• M10: 5,473,337 km (0.088 R)
• M11: 6,326,195 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 14.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.83 AU - 1.03 AU

Year: 608 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,826,859 km

• M1: 181,761 km (0.052 R)
• M2: 653,443 km (0.083 R)
• M3: 1,424,471 km (0.061 R)
• M4: 2,081,056 km (0.094 R)
• M5: 3,054,639 km (0.028 R)
• M6: 3,565,067 km (0.073 R)
• M7: 4,438,718 km (0.076 R)
• M8: 5,505,650 km (0.093 R)
• M9: 5,993,489 km (0.09 R)
• M10: 7,340,917 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.99 AU - 1.05 AU

Year: 699 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,826,859 km

• M1: 112,049 km (0.098 R)
• M2: 450,738 km (0.035 R)
• M3: 750,533 km (0.113 R)
• M4: 1,161,627 km (0.119 R)
• M5: 1,583,793 km (0.061 R)
• M6: 2,183,680 km (0.103 R)
• M7: 2,560,816 km (0.054 R)
• M8: 3,666,943 km (0.105 R)
• M9: 4,121,122 km (0.06 R)
• M10: 4,940,769 km (0.034 R)
• M11: 5,284,844 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 8.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.41 AU - 1.83 AU

Year: 1399 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,826,859 km

• M1: 109,506 km (0.107 R)
• M2: 392,994 km (0.072 R)
• M3: 724,203 km (0.064 R)
• M4: 1,114,654 km (0.069 R)
• M5: 1,887,177 km (0.079 R)
• M6: 2,936,905 km (0.115 R)
• M7: 3,210,819 km (0.075 R)
• M8: 3,581,523 km (0.096 R)
• M9: 4,427,349 km (0.088 R)
• M10: 6,178,542 km (0.03 R)
• M11: 6,631,225 km (0.041 R)
• M12: 7,286,314 km (0.09 R)
• M13: 8,377,481 km (0.117 R)
• M14: 8,962,259 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 9.3

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.75 AU - 2.81 AU

Year: 2335 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,826,859 km

• M1: 115,639 km (0.104 R)
• M2: 465,997 km (0.071 R)
• M3: 1,034,768 km (0.104 R)
• M4: 1,867,580 km (0.108 R)
• M5: 2,194,601 km (0.058 R)
• M6: 2,574,131 km (0.105 R)
• M7: 3,537,391 km (0.08 R)
• M8: 4,121,272 km (0.117 R)
• M9: 5,220,068 km (0.096 R)
• M10: 5,553,372 km (0.088 R)
• M11: 6,131,867 km (0.109 R)
• M12: 6,612,226 km (0.059 R)
• M13: 9,091,362 km (0.066 R)
• M14: 9,470,144 km (0.076 R)
• M15: 9,931,204 km (0.043 R)
• M16: 10,481,874 km (0.061 R)
• M17: 11,013,994 km (0.095 R)
• M18: 11,805,366 km (0.075 R)
• M19: 13,193,186 km (0.09 R)
• M20: 13,723,959 km (0.117 R)
• M21: 15,113,125 km (0.117 R)
• M22: 15,498,938 km (0.104 R)
• M23: 16,340,426 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 11.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.06 AU - 3.48 AU

Year: 4011 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,826,859 km

• M1: 142,417 km (0.049 R)
• M2: 521,947 km (0.045 R)
• M3: 949,797 km (0.113 R)
• M4: 1,681,480 km (0.093 R)
• M5: 2,095,268 km (0.077 R)
• M6: 2,562,312 km (0.074 R)
• M7: 3,670,234 km (0.106 R)
• M8: 4,206,692 km (0.057 R)
• M9: 8,000,045 km (0.12 R)
• M10: 8,561,935 km (0.076 R)
• M11: 9,363,929 km (0.074 R)
• M12: 10,601,104 km (0.064 R)
• M13: 11,733,859 km (0.099 R)
• M14: 12,591,054 km (0.115 R)
• M15: 13,814,017 km (0.068 R)
• M16: 14,430,360 km (0.1 R)
• M17: 15,464,680 km (0.109 R)
• M18: 16,919,818 km (0.106 R)
• M19: 19,037,975 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 13.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.17 AU - 4.35 AU

Year: 4945 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,826,859 km

• M1: 163,062 km (0.086 R)
• M2: 583,581 km (0.067 R)
• M3: 1,221,616 km (0.109 R)
• M4: 1,864,289 km (0.104 R)
• M5: 2,401,345 km (0.069 R)
• M6: 2,870,783 km (0.104 R)
• M7: 3,298,633 km (0.119 R)
• M8: 4,901,125 km (0.052 R)
• M9: 6,152,960 km (0.086 R)
• M10: 6,973,206 km (0.111 R)
• M11: 7,392,080 km (0.073 R)
• M12: 8,166,099 km (0.103 R)
• M13: 9,075,056 km (0.051 R)
• M14: 9,703,367 km (0.105 R)
• M15: 11,618,519 km (0.088 R)
• M16: 12,159,165 km (0.11 R)
• M17: 12,768,178 km (0.117 R)
• M18: 13,291,172 km (0.113 R)
• M19: 14,604,941 km (0.118 R)
• M20: 15,061,514 km (0.084 R)
• M21: 16,366,605 km (0.098 R)
• M22: 18,200,526 km (0.075 R)
• M23: 20,663,355 km (0.051 R)
• M24: 22,499,221 km (0.042 R)
• M25: 24,521,485 km (0.103 R)
• M26: 25,412,639 km (0.061 R)
• M27: 26,832,024 km (0.059 R)
• M28: 29,374,589 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 14

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.1 AU - 4.44 AU

Year: 5985 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,826,859 km

• M1: 174,431 km (0.08 R)
• M2: 681,418 km (0.101 R)
• M3: 1,268,590 km (0.103 R)
• M4: 1,767,349 km (0.094 R)
• M5: 2,522,818 km (0.113 R)
• M6: 4,164,655 km (0.083 R)
• M7: 4,656,982 km (0.1 R)
• M8: 5,241,012 km (0.079 R)
• M9: 5,959,979 km (0.093 R)
• M10: 6,743,722 km (0.071 R)
• M11: 7,359,318 km (0.103 R)
• M12: 8,929,796 km (0.072 R)
• M13: 9,633,056 km (0.104 R)
• M14: 10,205,268 km (0.104 R)
• M15: 11,283,868 km (0.103 R)
• M16: 12,725,244 km (0.097 R)
• M17: 13,165,809 km (0.076 R)
• M18: 14,025,997 km (0.048 R)
• M19: 15,085,748 km (0.091 R)
• M20: 17,424,113 km (0.093 R)
• M21: 18,399,192 km (0.072 R)
• M22: 18,900,195 km (0.082 R)
• M23: 20,658,718 km (0.086 R)
• M24: 22,809,636 km (0.108 R)
• M25: 26,271,032 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 19,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit