🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 10.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 14.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,993,780 km

• M1: 134,339 km (0.076 R)
• M2: 476,170 km (0.076 R)
• M3: 820,694 km (0.109 R)
• M4: 1,319,154 km (0.113 R)
• M5: 1,892,263 km (0.104 R)
• M6: 2,450,712 km (0.12 R)
• M7: 3,127,044 km (0.114 R)
• M8: 3,596,931 km (0.11 R)
• M9: 3,973,768 km (0.041 R)
• M10: 4,679,571 km (0.092 R)
• M11: 5,099,941 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 9.5

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.67 AU - 0.83 AU

Year: 448 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,993,780 km

• M1: 118,182 km (0.113 R)
• M2: 460,462 km (0.033 R)
• M3: 777,161 km (0.037 R)
• M4: 1,124,078 km (0.113 R)
• M5: 1,539,811 km (0.05 R)
• M6: 2,074,025 km (0.048 R)
• M7: 2,443,382 km (0.099 R)
• M8: 2,823,959 km (0.1 R)
• M9: 3,255,848 km (0.119 R)
• M10: 3,945,195 km (0.113 R)
• M11: 5,027,984 km (0.119 R)
• M12: 5,858,701 km (0.086 R)
• M13: 6,167,471 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 13.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,993,780 km

• M1: 165,455 km (0.078 R)
• M2: 586,124 km (0.055 R)
• M3: 1,072,168 km (0.073 R)
• M4: 1,510,340 km (0.086 R)
• M5: 1,987,408 km (0.025 R)
• M6: 2,420,494 km (0.092 R)
• M7: 2,982,832 km (0.11 R)
• M8: 3,519,290 km (0.087 R)
• M9: 4,416,428 km (0.067 R)
• M10: 5,197,329 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.8

Radius: 10.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.17 AU - 1.69 AU

Year: 1180 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,993,780 km

• M1: 135,536 km (0.081 R)
• M2: 514,916 km (0.12 R)
• M3: 1,013,825 km (0.105 R)
• M4: 1,490,593 km (0.095 R)
• M5: 2,532,243 km (0.082 R)
• M6: 3,210,071 km (0.084 R)
• M7: 3,678,013 km (0.112 R)
• M8: 4,112,894 km (0.057 R)
• M9: 5,882,787 km (0.109 R)
• M10: 6,543,710 km (0.078 R)
• M11: 7,093,931 km (0.069 R)
• M12: 7,746,627 km (0.084 R)
• M13: 8,774,065 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.9

Radius: 13.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.95 AU - 2.55 AU

Year: 2330 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,993,780 km

• M1: 171,589 km (0.106 R)
• M2: 716,723 km (0.11 R)
• M3: 1,398,890 km (0.119 R)
• M4: 2,240,378 km (0.08 R)
• M5: 2,784,166 km (0.074 R)
• M6: 3,278,886 km (0.086 R)
• M7: 3,776,000 km (0.08 R)
• M8: 6,266,804 km (0.042 R)
• M9: 7,687,984 km (0.079 R)
• M10: 9,418,981 km (0.056 R)
• M11: 9,880,640 km (0.097 R)
• M12: 10,357,409 km (0.089 R)
• M13: 11,881,063 km (0.116 R)
• M14: 12,718,063 km (0.108 R)
• M15: 13,327,226 km (0.069 R)
• M16: 13,864,731 km (0.095 R)
• M17: 14,370,072 km (0.1 R)
• M18: 15,960,597 km (0.101 R)
• M19: 18,151,009 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 8.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.49 AU - 4.29 AU

Year: 5296 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,993,780 km

• M1: 104,569 km (0.078 R)
• M2: 468,391 km (0.069 R)
• M3: 731,085 km (0.086 R)
• M4: 1,614,161 km (0.093 R)
• M5: 2,232,299 km (0.057 R)
• M6: 3,048,954 km (0.083 R)
• M7: 4,423,310 km (0.076 R)
• M8: 5,551,876 km (0.036 R)
• M9: 6,948,073 km (0.081 R)
• M10: 8,203,498 km (0.089 R)
• M11: 8,936,378 km (0.075 R)
• M12: 10,998,136 km (0.067 R)
• M13: 11,518,737 km (0.105 R)
• M14: 13,951,049 km (0.119 R)
• M15: 14,277,322 km (0.059 R)
• M16: 16,550,312 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.2

Radius: 7.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.53 AU - 10.77 AU

Year: 19105 Days

Day: 17.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,993,780 km

• M1: 97,538 km (0.042 R)
• M2: 474,076 km (0.102 R)
• M3: 1,297,462 km (0.077 R)
• M4: 2,306,350 km (0.045 R)
• M5: 3,178,955 km (0.119 R)
• M6: 3,789,015 km (0.109 R)
• M7: 4,587,120 km (0.06 R)
• M8: 4,906,361 km (0.103 R)
• M9: 6,476,690 km (0.08 R)
• M10: 7,029,604 km (0.074 R)
• M11: 8,145,305 km (0.046 R)
• M12: 10,130,618 km (0.087 R)
• M13: 11,183,338 km (0.106 R)
• M14: 12,925,106 km (0.075 R)
• M15: 15,092,331 km (0.074 R)
• M16: 18,488,651 km (0.106 R)
• M17: 19,224,224 km (0.105 R)
• M18: 20,286,668 km (0.103 R)
• M19: 20,832,251 km (0.12 R)
• M20: 21,148,501 km (0.091 R)
• M21: 21,548,227 km (0.094 R)
• M22: 25,917,831 km (0.065 R)
• M23: 26,375,601 km (0.051 R)
• M24: 36,588,348 km (0.103 R)
• M25: 41,493,064 km (0.049 R)
• M26: 41,742,892 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 17,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit