🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 11

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.67 AU - 0.97 AU

Year: 472 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,253,062 km

• M1: 137,181 km (0.057 R)
• M2: 487,689 km (0.11 R)
• M3: 841,638 km (0.104 R)
• M4: 1,228,647 km (0.109 R)
• M5: 1,805,347 km (0.069 R)
• M6: 2,363,646 km (0.106 R)
• M7: 3,085,306 km (0.118 R)
• M8: 3,503,881 km (0.093 R)
• M9: 4,286,428 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 13.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.33 AU - 1.51 AU

Year: 1076 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,253,062 km

• M1: 171,589 km (0.081 R)
• M2: 1,057,657 km (0.071 R)
• M3: 1,578,557 km (0.05 R)
• M4: 2,167,823 km (0.044 R)
• M5: 2,936,756 km (0.076 R)
• M6: 4,379,328 km (0.092 R)
• M7: 5,328,227 km (0.082 R)
• M8: 5,759,219 km (0.111 R)
• M9: 7,346,303 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 14.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.53 AU - 1.65 AU

Year: 1275 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,253,062 km

• M1: 175,329 km (0.104 R)
• M2: 635,492 km (0.118 R)
• M3: 1,435,392 km (0.042 R)
• M4: 1,964,968 km (0.047 R)
• M5: 2,539,274 km (0.061 R)
• M6: 3,112,533 km (0.025 R)
• M7: 3,605,458 km (0.036 R)
• M8: 5,462,865 km (0.073 R)
• M9: 6,529,049 km (0.117 R)
• M10: 7,210,917 km (0.075 R)
• M11: 8,010,517 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 14.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.46 AU - 2.16 AU

Year: 1548 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,253,062 km

• M1: 185,501 km (0.107 R)
• M2: 656,585 km (0.107 R)
• M3: 1,139,786 km (0.114 R)
• M4: 1,760,917 km (0.087 R)
• M5: 3,016,940 km (0.104 R)
• M6: 3,955,966 km (0.113 R)
• M7: 4,664,910 km (0.105 R)
• M8: 5,301,001 km (0.118 R)
• M9: 5,994,536 km (0.1 R)
• M10: 7,012,999 km (0.097 R)
• M11: 8,203,798 km (0.093 R)
• M12: 8,691,487 km (0.083 R)
• M13: 9,658,338 km (0.029 R)
• M14: 10,272,287 km (0.099 R)
• M15: 10,875,915 km (0.047 R)
• M16: 11,883,307 km (0.046 R)
• M17: 12,870,802 km (0.08 R)
• M18: 14,785,655 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 9.4

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.61 AU - 2.37 AU

Year: 1785 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,253,062 km

• M1: 116,986 km (0.077 R)
• M2: 455,825 km (0.113 R)
• M3: 803,041 km (0.074 R)
• M4: 1,110,315 km (0.074 R)
• M5: 1,497,774 km (0.071 R)
• M6: 1,908,719 km (0.095 R)
• M7: 2,243,818 km (0.054 R)
• M8: 2,842,808 km (0.106 R)
• M9: 3,379,416 km (0.066 R)
• M10: 4,435,726 km (0.108 R)
• M11: 4,965,602 km (0.108 R)
• M12: 5,651,957 km (0.071 R)
• M13: 6,127,529 km (0.088 R)
• M14: 6,655,460 km (0.083 R)
• M15: 8,034,602 km (0.043 R)
• M16: 8,605,618 km (0.1 R)
• M17: 10,272,886 km (0.11 R)
• M18: 11,761,235 km (0.116 R)
• M19: 12,340,179 km (0.074 R)
• M20: 12,696,521 km (0.074 R)
• M21: 13,182,415 km (0.073 R)
• M22: 14,892,019 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.3

Radius: 11.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.17 AU - 3.37 AU

Year: 2931 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,253,062 km

• M1: 147,952 km (0.088 R)
• M2: 567,275 km (0.116 R)
• M3: 1,001,558 km (0.114 R)
• M4: 1,449,603 km (0.093 R)
• M5: 1,856,958 km (0.036 R)
• M6: 2,243,070 km (0.081 R)
• M7: 2,809,298 km (0.067 R)
• M8: 4,345,070 km (0.092 R)
• M9: 5,035,464 km (0.105 R)
• M10: 5,611,566 km (0.105 R)
• M11: 6,456,345 km (0.064 R)
• M12: 7,664,797 km (0.03 R)
• M13: 9,113,951 km (0.081 R)
• M14: 10,280,665 km (0.106 R)
• M15: 11,283,719 km (0.066 R)
• M16: 12,627,855 km (0.115 R)
• M17: 13,359,389 km (0.064 R)
• M18: 14,465,665 km (0.119 R)
• M19: 15,221,434 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.5

Radius: 7.8

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.28 AU - 8.16 AU

Year: 13638 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,253,062 km

• M1: 97,089 km (0.045 R)
• M2: 405,111 km (0.081 R)
• M3: 791,822 km (0.116 R)
• M4: 1,259,764 km (0.103 R)
• M5: 1,533,827 km (0.089 R)
• M6: 1,974,094 km (0.073 R)
• M7: 3,157,861 km (0.081 R)
• M8: 3,613,686 km (0.115 R)
• M9: 3,872,341 km (0.093 R)
• M10: 5,580,150 km (0.051 R)
• M11: 5,887,574 km (0.036 R)
• M12: 6,663,239 km (0.072 R)
• M13: 7,009,408 km (0.068 R)
• M14: 8,072,301 km (0.036 R)
• M15: 10,630,425 km (0.108 R)
• M16: 11,284,766 km (0.067 R)
• M17: 11,652,926 km (0.086 R)
• M18: 17,036,056 km (0.117 R)
• M19: 24,278,687 km (0.037 R)
• M20: 25,099,531 km (0.065 R)
• M21: 26,365,278 km (0.096 R)
• M22: 27,342,152 km (0.045 R)
• M23: 29,023,483 km (0.116 R)
• M24: 29,831,162 km (0.073 R)
• M25: 30,181,969 km (0.104 R)
• M26: 34,096,047 km (0.108 R)
• M27: 40,296,430 km (0.079 R)
• M28: 43,062,794 km (0.091 R)
• M29: 43,361,242 km (0.073 R)
• M30: 48,970,713 km (0.096 R)
• M31: 52,967,520 km (0.073 R)
• M32: 54,869,956 km (0.061 R)
• M33: 55,220,763 km (0.12 R)
• M34: 56,104,138 km (0.081 R)
• M35: 62,744,489 km (0.09 R)
• M36: 64,678,041 km (0.114 R)
• M37: 66,054,790 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 15,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit