🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.1

Radius: 15

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,829,617 km

• M1: 186,549 km (0.033 R)
• M2: 664,514 km (0.091 R)
• M3: 1,139,487 km (0.084 R)
• M4: 1,684,322 km (0.099 R)
• M5: 2,213,001 km (0.103 R)
• M6: 2,691,714 km (0.114 R)
• M7: 3,208,575 km (0.076 R)
• M8: 3,839,729 km (0.12 R)
• M9: 4,327,567 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.6

Radius: 9.8

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,829,617 km

• M1: 122,072 km (0.115 R)
• M2: 674,686 km (0.098 R)
• M3: 1,109,717 km (0.047 R)
• M4: 1,483,113 km (0.041 R)
• M5: 1,791,584 km (0.041 R)
• M6: 2,116,211 km (0.096 R)
• M7: 2,470,160 km (0.096 R)
• M8: 2,897,412 km (0.118 R)
• M9: 3,237,597 km (0.067 R)
• M10: 3,832,548 km (0.079 R)
• M11: 4,332,654 km (0.087 R)
• M12: 4,940,769 km (0.095 R)
• M13: 5,676,192 km (0.076 R)
• M14: 6,023,558 km (0.091 R)
• M15: 6,424,181 km (0.097 R)
• M16: 6,741,179 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 11.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.62 AU - 1.74 AU

Year: 1503 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,829,617 km

• M1: 139,276 km (0.056 R)
• M2: 499,358 km (0.109 R)
• M3: 969,394 km (0.069 R)
• M4: 1,553,574 km (0.112 R)
• M5: 2,137,155 km (0.067 R)
• M6: 2,834,580 km (0.114 R)
• M7: 3,644,653 km (0.083 R)
• M8: 4,095,242 km (0.09 R)
• M9: 5,409,160 km (0.105 R)
• M10: 7,090,191 km (0.118 R)
• M11: 8,606,964 km (0.102 R)
• M12: 9,634,552 km (0.094 R)
• M13: 9,994,634 km (0.073 R)
• M14: 11,746,574 km (0.088 R)
• M15: 12,734,519 km (0.108 R)
• M16: 13,776,917 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 11.4

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.7 AU - 3.46 AU

Year: 3731 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,829,617 km

• M1: 142,866 km (0.083 R)
• M2: 627,713 km (0.036 R)
• M3: 1,086,380 km (0.05 R)
• M4: 1,466,358 km (0.083 R)
• M5: 1,883,736 km (0.101 R)
• M6: 2,334,924 km (0.091 R)
• M7: 2,737,192 km (0.059 R)
• M8: 3,398,564 km (0.041 R)
• M9: 3,875,034 km (0.119 R)
• M10: 4,563,333 km (0.104 R)
• M11: 5,118,641 km (0.099 R)
• M12: 5,775,226 km (0.115 R)
• M13: 6,243,617 km (0.062 R)
• M14: 6,800,869 km (0.055 R)
• M15: 7,595,233 km (0.076 R)
• M16: 8,487,286 km (0.065 R)
• M17: 9,975,336 km (0.112 R)
• M18: 10,956,548 km (0.115 R)
• M19: 15,037,279 km (0.086 R)
• M20: 17,027,230 km (0.046 R)
• M21: 19,967,725 km (0.098 R)
• M22: 20,973,322 km (0.042 R)
• M23: 21,592,657 km (0.077 R)
• M24: 23,377,360 km (0.104 R)
• M25: 24,268,215 km (0.107 R)
• M26: 25,335,746 km (0.079 R)
• M27: 26,117,245 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 8.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.21 AU - 3.23 AU

Year: 3988 Days

Day: 6.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,829,617 km

• M1: 141,669 km (0.102 R)
• M2: 460,761 km (0.105 R)
• M3: 2,047,696 km (0.116 R)
• M4: 4,777,408 km (0.117 R)
• M5: 6,349,382 km (0.056 R)
• M6: 7,985,086 km (0.116 R)
• M7: 9,848,028 km (0.068 R)
• M8: 10,515,982 km (0.12 R)
• M9: 10,822,359 km (0.065 R)
• M10: 12,874,842 km (0.105 R)
• M11: 13,403,520 km (0.085 R)
• M12: 18,665,925 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 11.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.85 AU - 3.61 AU

Year: 4007 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,829,617 km

• M1: 141,071 km (0.112 R)
• M2: 523,443 km (0.063 R)
• M3: 903,422 km (0.038 R)
• M4: 1,320,052 km (0.097 R)
• M5: 1,680,433 km (0.072 R)
• M6: 2,355,867 km (0.081 R)
• M7: 3,826,115 km (0.114 R)
• M8: 5,074,509 km (0.081 R)
• M9: 9,777,268 km (0.077 R)
• M10: 13,387,364 km (0.039 R)
• M11: 14,570,683 km (0.071 R)
• M12: 16,676,572 km (0.093 R)
• M13: 17,923,620 km (0.055 R)
• M14: 20,336,933 km (0.049 R)
• M15: 21,141,919 km (0.074 R)
• M16: 22,744,262 km (0.045 R)
• M17: 26,267,890 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.1

Radius: 14.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.86 AU - 5.24 AU

Year: 7833 Days

Day: 11.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,829,617 km

• M1: 185,352 km (0.075 R)
• M2: 714,031 km (0.1 R)
• M3: 1,276,519 km (0.12 R)
• M4: 1,824,795 km (0.098 R)
• M5: 2,312,185 km (0.048 R)
• M6: 3,301,027 km (0.041 R)
• M7: 4,115,587 km (0.101 R)
• M8: 4,939,123 km (0.084 R)
• M9: 5,439,079 km (0.114 R)
• M10: 5,972,994 km (0.092 R)
• M11: 8,082,025 km (0.083 R)
• M12: 8,734,870 km (0.082 R)
• M13: 9,329,073 km (0.111 R)
• M14: 15,296,083 km (0.106 R)
• M15: 16,640,519 km (0.107 R)
• M16: 18,878,354 km (0.104 R)
• M17: 21,147,305 km (0.059 R)
• M18: 22,729,302 km (0.095 R)
• M19: 26,315,612 km (0.105 R)
• M20: 30,160,277 km (0.048 R)
• M21: 31,947,822 km (0.097 R)
• M22: 34,816,960 km (0.092 R)
• M23: 38,215,374 km (0.113 R)
• M24: 42,474,276 km (0.119 R)
• M25: 43,257,421 km (0.037 R)
• M26: 44,450,015 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 9.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.62 AU - 5.98 AU

Year: 8422 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,829,617 km

• M1: 116,238 km (0.108 R)
• M2: 503,546 km (0.05 R)
• M3: 1,366,128 km (0.082 R)
• M4: 1,876,107 km (0.066 R)
• M5: 2,428,422 km (0.106 R)
• M6: 3,600,671 km (0.111 R)
• M7: 5,167,410 km (0.118 R)
• M8: 5,983,017 km (0.097 R)
• M9: 6,468,313 km (0.093 R)
• M10: 7,517,742 km (0.111 R)
• M11: 8,413,683 km (0.093 R)
• M12: 9,744,357 km (0.117 R)
• M13: 11,948,382 km (0.104 R)
• M14: 13,216,822 km (0.112 R)
• M15: 16,192,324 km (0.102 R)
• M16: 17,135,539 km (0.074 R)
• M17: 20,794,254 km (0.054 R)
• M18: 23,061,110 km (0.116 R)
• M19: 25,331,258 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit