🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 14.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.77 AU - 1.21 AU

Year: 626 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,572,210 km

• M1: 184,005 km (0.107 R)
• M2: 453,581 km (0.05 R)
• M3: 818,450 km (0.058 R)
• M4: 1,139,487 km (0.115 R)
• M5: 1,412,054 km (0.11 R)
• M6: 1,768,546 km (0.116 R)
• M7: 2,107,236 km (0.099 R)
• M8: 2,728,366 km (0.115 R)
• M9: 3,827,013 km (0.059 R)
• M10: 4,100,029 km (0.116 R)
• M11: 4,517,556 km (0.109 R)
• M12: 4,804,036 km (0.073 R)
• M13: 5,519,713 km (0.091 R)
• M14: 6,090,279 km (0.108 R)
• M15: 6,424,032 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 8

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.03 AU - 1.31 AU

Year: 805 Days

Day: 11.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,572,210 km

• M1: 104,270 km (0.064 R)
• M2: 477,816 km (0.09 R)
• M3: 746,045 km (0.098 R)
• M4: 1,021,155 km (0.075 R)
• M5: 1,221,167 km (0.093 R)
• M6: 1,518,119 km (0.07 R)
• M7: 1,710,053 km (0.027 R)
• M8: 2,734,051 km (0.118 R)
• M9: 3,169,380 km (0.066 R)
• M10: 3,470,820 km (0.115 R)
• M11: 4,422,412 km (0.086 R)
• M12: 5,055,211 km (0.097 R)
• M13: 5,717,182 km (0.097 R)
• M14: 6,151,913 km (0.069 R)
• M15: 6,496,288 km (0.086 R)
• M16: 6,710,512 km (0.108 R)
• M17: 7,918,215 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 8.3

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.5 AU - 1.88 AU

Year: 1397 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,572,210 km

• M1: 120,576 km (0.065 R)
• M2: 697,874 km (0.099 R)
• M3: 905,067 km (0.118 R)
• M4: 1,301,053 km (0.089 R)
• M5: 1,503,459 km (0.093 R)
• M6: 1,721,572 km (0.044 R)
• M7: 2,174,405 km (0.114 R)
• M8: 2,448,917 km (0.1 R)
• M9: 2,648,929 km (0.082 R)
• M10: 2,821,865 km (0.109 R)
• M11: 3,530,809 km (0.101 R)
• M12: 4,049,016 km (0.095 R)
• M13: 4,351,204 km (0.099 R)
• M14: 5,099,193 km (0.077 R)
• M15: 6,028,345 km (0.103 R)
• M16: 6,450,810 km (0.082 R)
• M17: 7,609,595 km (0.079 R)
• M18: 8,429,092 km (0.034 R)
• M19: 8,802,339 km (0.054 R)
• M20: 10,308,789 km (0.089 R)
• M21: 10,721,530 km (0.083 R)
• M22: 11,356,124 km (0.083 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413

Radius: 3.5

Gravity: 33.71 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.38 AU - 7.04 AU

Year: 11051 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,572,210 km

• M1: 44,580 km (0.073 R)
• M2: 306,676 km (0.092 R)
• M3: 417,528 km (0.103 R)
• M4: 1,671,008 km (0.09 R)
• M5: 2,136,407 km (0.104 R)
• M6: 3,103,109 km (0.052 R)
• M7: 4,118,878 km (0.057 R)
• M8: 4,554,806 km (0.082 R)
• M9: 5,160,528 km (0.09 R)
• M10: 6,353,422 km (0.096 R)
• M11: 7,101,112 km (0.079 R)
• M12: 8,916,931 km (0.117 R)
• M13: 9,034,814 km (0.12 R)
• M14: 14,240,820 km (0.03 R)
• M15: 16,988,633 km (0.055 R)
• M16: 18,088,627 km (0.09 R)
• M17: 19,454,305 km (0.065 R)
• M18: 22,584,342 km (0.103 R)
• M19: 23,530,698 km (0.074 R)
• M20: 31,358,556 km (0.058 R)
• M21: 33,681,661 km (0.085 R)
• M22: 41,572,051 km (0.09 R)
• M23: 42,939,226 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.1

Radius: 3.1

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.8 AU - 11.54 AU

Year: 22161 Days

Day: 17 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,572,210 km

• M1: 569,369 km (0.105 R)
• M2: 680,820 km (0.103 R)
• M3: 1,716,187 km (0.107 R)
• M4: 2,138,352 km (0.117 R)
• M5: 2,281,368 km (0.116 R)
• M6: 2,819,471 km (0.114 R)
• M7: 3,239,243 km (0.115 R)
• M8: 3,844,815 km (0.08 R)
• M9: 6,336,367 km (0.114 R)
• M10: 9,156,138 km (0.108 R)
• M11: 11,054,834 km (0.102 R)
• M12: 12,268,671 km (0.07 R)
• M13: 13,015,912 km (0.115 R)
• M14: 14,086,883 km (0.073 R)
• M15: 16,619,127 km (0.101 R)
• M16: 18,936,398 km (0.11 R)
• M17: 19,503,673 km (0.09 R)
• M18: 26,797,317 km (0.104 R)
• M19: 27,302,210 km (0.113 R)
• M20: 37,592,599 km (0.118 R)
• M21: 37,890,747 km (0.096 R)
• M22: 38,994,480 km (0.106 R)
• M23: 41,770,717 km (0.101 R)
• M24: 46,609,909 km (0.077 R)
• M25: 50,787,879 km (0.116 R)
• M26: 52,181,383 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit