🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 9.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 251 Days

Day: 8.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,010,877 km

• M1: 113,395 km (0.116 R)
• M2: 433,235 km (0.056 R)
• M3: 907,909 km (0.106 R)
• M4: 1,383,481 km (0.1 R)
• M5: 1,902,885 km (0.047 R)
• M6: 2,229,906 km (0.095 R)
• M7: 2,594,326 km (0.047 R)
• M8: 2,904,143 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.2

Radius: 8.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.67 AU - 0.89 AU

Year: 476 Days

Day: 7.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,010,877 km

• M1: 108,159 km (0.057 R)
• M2: 395,387 km (0.057 R)
• M3: 927,507 km (0.119 R)
• M4: 1,572,274 km (0.105 R)
• M5: 2,124,888 km (0.112 R)
• M6: 2,785,064 km (0.059 R)
• M7: 3,068,851 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 11.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.65 AU - 0.99 AU

Year: 513 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,010,877 km

• M1: 140,472 km (0.027 R)
• M2: 495,169 km (0.063 R)
• M3: 848,669 km (0.081 R)
• M4: 1,215,184 km (0.082 R)
• M5: 1,601,744 km (0.11 R)
• M6: 2,062,655 km (0.093 R)
• M7: 2,768,907 km (0.08 R)
• M8: 3,502,236 km (0.074 R)
• M9: 3,990,523 km (0.078 R)
• M10: 4,360,479 km (0.119 R)
• M11: 4,991,034 km (0.068 R)
• M12: 5,387,618 km (0.072 R)
• M13: 5,967,609 km (0.071 R)
• M14: 6,358,059 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 14.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.98 AU - 2.82 AU

Year: 2566 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,010,877 km

• M1: 176,675 km (0.032 R)
• M2: 730,187 km (0.078 R)
• M3: 2,646,386 km (0.117 R)
• M4: 3,327,655 km (0.08 R)
• M5: 5,832,522 km (0.056 R)
• M6: 6,534,884 km (0.073 R)
• M7: 7,017,636 km (0.09 R)
• M8: 7,550,205 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 14.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.02 AU - 2.94 AU

Year: 2696 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,010,877 km

• M1: 181,462 km (0.1 R)
• M2: 760,705 km (0.109 R)
• M3: 1,202,019 km (0.106 R)
• M4: 2,079,710 km (0.097 R)
• M5: 2,654,614 km (0.108 R)
• M6: 3,462,293 km (0.082 R)
• M7: 3,924,850 km (0.108 R)
• M8: 4,385,162 km (0.075 R)
• M9: 5,144,072 km (0.12 R)
• M10: 6,179,738 km (0.093 R)
• M11: 7,601,217 km (0.086 R)
• M12: 9,230,937 km (0.025 R)
• M13: 11,165,536 km (0.075 R)
• M14: 11,838,278 km (0.117 R)
• M15: 12,582,527 km (0.066 R)
• M16: 13,080,539 km (0.081 R)
• M17: 13,876,100 km (0.087 R)
• M18: 15,875,775 km (0.027 R)
• M19: 16,511,416 km (0.114 R)
• M20: 17,164,112 km (0.057 R)
• M21: 17,721,065 km (0.091 R)
• M22: 18,754,038 km (0.074 R)
• M23: 20,877,131 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 10.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.17 AU - 4.95 AU

Year: 5647 Days

Day: 8.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,010,877 km

• M1: 131,796 km (0.071 R)
• M2: 501,153 km (0.085 R)
• M3: 1,378,544 km (0.045 R)
• M4: 2,730,161 km (0.032 R)
• M5: 3,104,754 km (0.096 R)
• M6: 3,552,800 km (0.09 R)
• M7: 3,958,958 km (0.114 R)
• M8: 6,594,424 km (0.113 R)
• M9: 7,864,659 km (0.063 R)
• M10: 14,396,102 km (0.072 R)
• M11: 14,804,953 km (0.106 R)
• M12: 15,380,007 km (0.099 R)
• M13: 15,753,703 km (0.044 R)
• M14: 17,137,782 km (0.083 R)
• M15: 19,643,098 km (0.029 R)
• M16: 21,775,765 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.2

Radius: 7.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.29 AU - 10.03 AU

Year: 17591 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,010,877 km

• M1: 98,286 km (0.102 R)
• M2: 350,358 km (0.097 R)
• M3: 698,622 km (0.119 R)
• M4: 1,287,589 km (0.06 R)
• M5: 2,172,909 km (0.092 R)
• M6: 2,437,099 km (0.088 R)
• M7: 3,522,880 km (0.093 R)
• M8: 4,867,316 km (0.098 R)
• M9: 5,359,045 km (0.085 R)
• M10: 6,158,346 km (0.117 R)
• M11: 6,482,973 km (0.108 R)
• M12: 6,733,849 km (0.1 R)
• M13: 10,387,478 km (0.12 R)
• M14: 12,959,364 km (0.048 R)
• M15: 15,183,436 km (0.116 R)
• M16: 15,627,143 km (0.107 R)
• M17: 16,696,020 km (0.097 R)
• M18: 17,248,335 km (0.088 R)
• M19: 17,650,305 km (0.034 R)
• M20: 17,976,279 km (0.099 R)
• M21: 19,149,126 km (0.101 R)
• M22: 20,194,366 km (0.117 R)
• M23: 22,876,806 km (0.077 R)
• M24: 25,787,681 km (0.104 R)
• M25: 27,713,754 km (0.077 R)
• M26: 40,326,350 km (0.111 R)
• M27: 46,072,105 km (0.037 R)
• M28: 53,013,745 km (0.075 R)
• M29: 61,363,999 km (0.031 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit