🌌 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: 451.1

Radius: 9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.45 AU - 0.67 AU

Year: 279 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,074,699 km

• M1: 119,678 km (0.116 R)
• M2: 508,932 km (0.06 R)
• M3: 925,412 km (0.059 R)
• M4: 1,233,285 km (0.119 R)
• M5: 1,781,112 km (0.04 R)
• M6: 2,078,662 km (0.119 R)
• M7: 2,491,702 km (0.105 R)
• M8: 2,893,821 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.8

Radius: 8.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.77 AU - 1.13 AU

Year: 617 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,074,699 km

• M1: 111,450 km (0.076 R)
• M2: 485,894 km (0.054 R)
• M3: 841,338 km (0.115 R)
• M4: 1,438,533 km (0.054 R)
• M5: 1,726,060 km (0.06 R)
• M6: 2,576,823 km (0.087 R)
• M7: 4,364,069 km (0.114 R)
• M8: 4,960,665 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 9.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1 AU - 1.22 AU

Year: 780 Days

Day: 5.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,074,699 km

• M1: 123,269 km (0.05 R)
• M2: 518,207 km (0.105 R)
• M3: 1,280,558 km (0.044 R)
• M4: 1,726,210 km (0.076 R)
• M5: 2,108,732 km (0.055 R)
• M6: 2,497,237 km (0.068 R)
• M7: 3,188,080 km (0.11 R)
• M8: 3,663,353 km (0.062 R)
• M9: 4,099,730 km (0.042 R)
• M10: 4,585,773 km (0.055 R)
• M11: 5,943,374 km (0.059 R)
• M12: 6,606,392 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 14.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.13 AU - 2.99 AU

Year: 2731 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,074,699 km

• M1: 186,100 km (0.081 R)
• M2: 781,798 km (0.107 R)
• M3: 1,879,099 km (0.109 R)
• M4: 3,562,224 km (0.12 R)
• M5: 4,396,083 km (0.04 R)
• M6: 5,937,689 km (0.084 R)
• M7: 6,474,895 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 8.4

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.6 AU - 2.74 AU

Year: 2909 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,074,699 km

• M1: 105,466 km (0.064 R)
• M2: 373,845 km (0.106 R)
• M3: 660,325 km (0.092 R)
• M4: 985,850 km (0.053 R)
• M5: 1,973,944 km (0.086 R)
• M6: 2,464,924 km (0.074 R)
• M7: 3,361,015 km (0.105 R)
• M8: 3,650,487 km (0.083 R)
• M9: 3,956,714 km (0.095 R)
• M10: 4,833,956 km (0.093 R)
• M11: 5,539,759 km (0.076 R)
• M12: 6,370,326 km (0.042 R)
• M13: 7,030,352 km (0.06 R)
• M14: 8,628,057 km (0.05 R)
• M15: 9,435,886 km (0.095 R)
• M16: 10,906,732 km (0.092 R)
• M17: 12,206,887 km (0.044 R)
• M18: 15,008,406 km (0.089 R)
• M19: 15,637,316 km (0.117 R)
• M20: 16,613,442 km (0.115 R)
• M21: 18,627,029 km (0.11 R)
• M22: 22,380,589 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 12.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.24 AU - 3.72 AU

Year: 3430 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,074,699 km

• M1: 158,275 km (0.084 R)
• M2: 619,784 km (0.07 R)
• M3: 1,197,232 km (0.077 R)
• M4: 1,662,780 km (0.077 R)
• M5: 2,203,427 km (0.061 R)
• M6: 2,943,936 km (0.081 R)
• M7: 3,546,816 km (0.08 R)
• M8: 4,194,724 km (0.05 R)
• M9: 4,721,608 km (0.113 R)
• M10: 5,594,960 km (0.115 R)
• M11: 6,024,007 km (0.03 R)
• M12: 6,872,526 km (0.113 R)
• M13: 8,164,005 km (0.091 R)
• M14: 8,777,356 km (0.094 R)
• M15: 13,165,061 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 12.4

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.81 AU - 4.25 AU

Year: 4423 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,074,699 km

• M1: 155,582 km (0.105 R)
• M2: 619,784 km (0.095 R)
• M3: 1,086,081 km (0.074 R)
• M4: 1,863,840 km (0.062 R)
• M5: 2,290,643 km (0.056 R)
• M6: 3,253,155 km (0.096 R)
• M7: 4,514,565 km (0.11 R)
• M8: 5,295,316 km (0.114 R)
• M9: 5,855,111 km (0.078 R)
• M10: 9,194,584 km (0.101 R)
• M11: 11,418,656 km (0.083 R)
• M12: 12,264,183 km (0.087 R)
• M13: 12,819,490 km (0.079 R)
• M14: 15,315,980 km (0.097 R)
• M15: 15,797,535 km (0.109 R)
• M16: 17,017,356 km (0.066 R)
• M17: 19,209,264 km (0.052 R)
• M18: 21,054,105 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit