🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 13

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.08 AU - 1.64 AU

Year: 1095 Days

Day: 12.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,597,893 km

• M1: 161,715 km (0.083 R)
• M2: 579,841 km (0.046 R)
• M3: 1,037,611 km (0.081 R)
• M4: 1,694,196 km (0.1 R)
• M5: 2,175,452 km (0.064 R)
• M6: 3,435,066 km (0.098 R)
• M7: 4,694,980 km (0.081 R)
• M8: 5,362,784 km (0.079 R)
• M9: 6,135,757 km (0.11 R)
• M10: 6,843,055 km (0.095 R)
• M11: 8,005,431 km (0.068 R)
• M12: 10,020,065 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 14.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.21 AU - 1.97 AU

Year: 1384 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,597,893 km

• M1: 175,329 km (0.083 R)
• M2: 913,893 km (0.092 R)
• M3: 2,334,176 km (0.108 R)
• M4: 3,236,251 km (0.103 R)
• M5: 4,034,206 km (0.08 R)
• M6: 6,598,762 km (0.09 R)
• M7: 8,224,592 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 10.8

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.01 AU - 2.37 AU

Year: 2237 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,597,893 km

• M1: 134,488 km (0.075 R)
• M2: 549,024 km (0.12 R)
• M3: 1,674,898 km (0.043 R)
• M4: 2,830,691 km (0.086 R)
• M5: 3,561,028 km (0.071 R)
• M6: 5,083,485 km (0.063 R)
• M7: 6,135,457 km (0.101 R)
• M8: 6,798,475 km (0.105 R)
• M9: 7,236,797 km (0.081 R)
• M10: 8,137,825 km (0.03 R)
• M11: 9,609,419 km (0.09 R)
• M12: 13,072,311 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.1

Radius: 9.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.91 AU - 3.05 AU

Year: 3551 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,597,893 km

• M1: 126,560 km (0.098 R)
• M2: 1,993,392 km (0.111 R)
• M3: 3,203,638 km (0.091 R)
• M4: 4,433,482 km (0.069 R)
• M5: 5,064,786 km (0.097 R)
• M6: 5,953,546 km (0.109 R)
• M7: 7,902,508 km (0.099 R)
• M8: 8,400,070 km (0.039 R)
• M9: 11,345,802 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 13.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.77 AU - 4.99 AU

Year: 7441 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,597,893 km

• M1: 167,849 km (0.102 R)
• M2: 834,756 km (0.066 R)
• M3: 1,464,114 km (0.084 R)
• M4: 2,279,572 km (0.115 R)
• M5: 2,752,750 km (0.066 R)
• M6: 4,955,280 km (0.032 R)
• M7: 5,408,561 km (0.07 R)
• M8: 6,056,171 km (0.109 R)
• M9: 6,975,001 km (0.09 R)
• M10: 7,944,245 km (0.089 R)
• M11: 10,935,305 km (0.046 R)
• M12: 11,394,571 km (0.106 R)
• M13: 14,855,368 km (0.096 R)
• M14: 15,356,072 km (0.098 R)
• M15: 18,963,026 km (0.064 R)
• M16: 19,404,190 km (0.083 R)
• M17: 21,953,787 km (0.102 R)
• M18: 23,434,955 km (0.095 R)
• M19: 25,780,351 km (0.099 R)
• M20: 26,963,670 km (0.116 R)
• M21: 27,898,357 km (0.096 R)
• M22: 30,329,472 km (0.115 R)
• M23: 35,833,028 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.6

Radius: 3.9

Gravity: 60.39 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.94 AU - 9.26 AU

Year: 14462 Days

Day: 17.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,597,893 km

• M1: 48,769 km (0.111 R)
• M2: 416,780 km (0.102 R)
• M3: 638,933 km (0.117 R)
• M4: 828,174 km (0.115 R)
• M5: 1,208,601 km (0.071 R)
• M6: 1,579,454 km (0.12 R)
• M7: 1,730,249 km (0.108 R)
• M8: 1,890,618 km (0.113 R)
• M9: 2,241,275 km (0.102 R)
• M10: 3,121,958 km (0.073 R)
• M11: 3,306,263 km (0.086 R)
• M12: 3,470,072 km (0.088 R)
• M13: 3,639,267 km (0.078 R)
• M14: 4,117,382 km (0.094 R)
• M15: 4,502,597 km (0.117 R)
• M16: 4,738,213 km (0.103 R)
• M17: 6,000,969 km (0.026 R)
• M18: 6,327,840 km (0.105 R)
• M19: 8,645,111 km (0.119 R)
• M20: 9,008,933 km (0.093 R)
• M21: 11,348,494 km (0.113 R)
• M22: 13,851,267 km (0.104 R)
• M23: 16,778,598 km (0.063 R)
• M24: 20,093,238 km (0.099 R)
• M25: 22,627,276 km (0.069 R)
• M26: 23,118,855 km (0.086 R)
• M27: 30,290,128 km (0.051 R)
• M28: 30,887,024 km (0.057 R)
• M29: 37,021,284 km (0.091 R)
• M30: 38,672,396 km (0.118 R)
• M31: 39,092,766 km (0.043 R)
• M32: 40,371,977 km (0.115 R)
• M33: 45,301,377 km (0.099 R)
• M34: 49,128,090 km (0.066 R)
• M35: 50,784,139 km (0.048 R)
• M36: 52,135,456 km (0.102 R)
• M37: 62,081,172 km (0.119 R)
• M38: 62,850,105 km (0.111 R)
• M39: 66,589,752 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 16,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit