🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 12

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.8 AU

Year: 364 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,954,247 km

• M1: 149,299 km (0.069 R)
• M2: 661,073 km (0.117 R)
• M3: 1,129,464 km (0.096 R)
• M4: 1,526,497 km (0.062 R)
• M5: 1,933,104 km (0.11 R)
• M6: 2,691,565 km (0.071 R)
• M7: 3,428,933 km (0.088 R)
• M8: 4,270,122 km (0.055 R)
• M9: 5,244,004 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 10.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.98 AU - 1.12 AU

Year: 684 Days

Day: 8.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,954,247 km

• M1: 133,142 km (0.106 R)
• M2: 487,988 km (0.104 R)
• M3: 966,402 km (0.118 R)
• M4: 1,312,572 km (0.103 R)
• M5: 1,773,932 km (0.03 R)
• M6: 2,475,546 km (0.114 R)
• M7: 3,017,389 km (0.104 R)
• M8: 3,548,761 km (0.11 R)
• M9: 4,018,049 km (0.1 R)
• M10: 4,632,747 km (0.114 R)
• M11: 5,731,693 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 8.1

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.42 AU - 1.62 AU

Year: 1192 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,954,247 km

• M1: 100,829 km (0.12 R)
• M2: 496,815 km (0.06 R)
• M3: 810,671 km (0.109 R)
• M4: 1,206,208 km (0.103 R)
• M5: 1,626,129 km (0.101 R)
• M6: 2,034,082 km (0.027 R)
• M7: 2,331,333 km (0.08 R)
• M8: 3,372,534 km (0.057 R)
• M9: 3,872,790 km (0.096 R)
• M10: 5,001,356 km (0.112 R)
• M11: 5,259,263 km (0.098 R)
• M12: 5,673,350 km (0.073 R)
• M13: 8,105,961 km (0.119 R)
• M14: 9,119,636 km (0.083 R)
• M15: 10,926,778 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 8.7

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.57 AU - 1.57 AU

Year: 1251 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,954,247 km

• M1: 108,159 km (0.108 R)
• M2: 511,176 km (0.06 R)
• M3: 807,829 km (0.05 R)
• M4: 1,345,633 km (0.11 R)
• M5: 1,635,404 km (0.07 R)
• M6: 2,030,342 km (0.099 R)
• M7: 2,367,386 km (0.099 R)
• M8: 2,902,498 km (0.1 R)
• M9: 3,454,065 km (0.078 R)
• M10: 3,738,900 km (0.088 R)
• M11: 4,143,263 km (0.063 R)
• M12: 4,940,769 km (0.12 R)
• M13: 5,221,414 km (0.09 R)
• M14: 5,771,037 km (0.116 R)
• M15: 6,837,520 km (0.063 R)
• M16: 8,278,896 km (0.1 R)
• M17: 8,937,874 km (0.088 R)
• M18: 9,539,108 km (0.102 R)
• M19: 11,786,068 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 14.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.91 AU - 2.95 AU

Year: 3189 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 76.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,954,247 km

• M1: 184,454 km (0.076 R)
• M2: 930,349 km (0.096 R)
• M3: 1,787,395 km (0.062 R)
• M4: 3,625,953 km (0.106 R)
• M5: 4,583,679 km (0.074 R)
• M6: 5,434,591 km (0.092 R)
• M7: 6,154,756 km (0.11 R)
• M8: 6,720,684 km (0.031 R)
• M9: 7,256,245 km (0.069 R)
• M10: 8,887,909 km (0.084 R)
• M11: 11,710,521 km (0.065 R)
• M12: 12,867,062 km (0.066 R)
• M13: 14,200,129 km (0.051 R)
• M14: 17,140,326 km (0.077 R)
• M15: 19,249,955 km (0.044 R)
• M16: 21,058,593 km (0.111 R)
• M17: 21,799,103 km (0.055 R)
• M18: 22,417,989 km (0.107 R)
• M19: 24,788,068 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 13

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.8 AU - 3.36 AU

Year: 3437 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,954,247 km

• M1: 165,156 km (0.079 R)
• M2: 715,676 km (0.087 R)
• M3: 1,183,319 km (0.069 R)
• M4: 1,883,736 km (0.087 R)
• M5: 2,945,283 km (0.116 R)
• M6: 3,377,770 km (0.056 R)
• M7: 3,932,928 km (0.105 R)
• M8: 6,528,451 km (0.085 R)
• M9: 7,677,961 km (0.115 R)
• M10: 8,234,166 km (0.065 R)
• M11: 8,712,281 km (0.117 R)
• M12: 12,641,618 km (0.116 R)
• M13: 14,373,064 km (0.098 R)
• M14: 17,121,626 km (0.092 R)
• M15: 18,765,557 km (0.07 R)
• M16: 20,265,126 km (0.046 R)
• M17: 21,265,936 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 12.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.94 AU - 5.24 AU

Year: 6252 Days

Day: 12.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,954,247 km

• M1: 173,683 km (0.054 R)
• M2: 584,628 km (0.036 R)
• M3: 1,191,397 km (0.071 R)
• M4: 5,601,393 km (0.081 R)
• M5: 12,440,110 km (0.042 R)
• M6: 13,118,836 km (0.112 R)
• M7: 13,537,859 km (0.12 R)
• M8: 14,353,766 km (0.112 R)
• M9: 18,465,613 km (0.035 R)
• M10: 19,229,909 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614

Radius: 7.9

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.69 AU - 9.77 AU

Year: 17829 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,954,247 km

• M1: 108,309 km (0.095 R)
• M2: 468,241 km (0.108 R)
• M3: 782,098 km (0.073 R)
• M4: 1,197,082 km (0.084 R)
• M5: 4,280,145 km (0.062 R)
• M6: 5,878,448 km (0.112 R)
• M7: 6,964,978 km (0.097 R)
• M8: 7,555,740 km (0.083 R)
• M9: 11,082,659 km (0.084 R)
• M10: 11,698,553 km (0.118 R)
• M11: 14,976,093 km (0.071 R)
• M12: 17,720,017 km (0.106 R)
• M13: 18,819,412 km (0.08 R)
• M14: 19,518,034 km (0.092 R)
• M15: 23,875,222 km (0.056 R)
• M16: 26,063,839 km (0.079 R)
• M17: 26,387,120 km (0.05 R)
• M18: 29,885,466 km (0.076 R)
• M19: 30,477,125 km (0.097 R)
• M20: 31,197,589 km (0.1 R)
• M21: 36,293,491 km (0.114 R)
• M22: 43,258,468 km (0.114 R)
• M23: 44,320,912 km (0.11 R)
• M24: 46,025,580 km (0.031 R)
• M25: 62,604,914 km (0.071 R)
• M26: 64,159,535 km (0.064 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: 311 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit