🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 9.4

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,932,498 km

• M1: 117,285 km (0.06 R)
• M2: 410,796 km (0.061 R)
• M3: 864,676 km (0.065 R)
• M4: 1,355,207 km (0.067 R)
• M5: 2,031,389 km (0.089 R)
• M6: 4,053,803 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 10.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.54 AU - 0.78 AU

Year: 370 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,932,498 km

• M1: 128,505 km (0.097 R)
• M2: 474,674 km (0.098 R)
• M3: 1,152,801 km (0.118 R)
• M4: 1,483,263 km (0.113 R)
• M5: 2,080,158 km (0.108 R)
• M6: 2,927,481 km (0.093 R)
• M7: 3,269,312 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 14.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.67 AU - 0.95 AU

Year: 503 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,932,498 km

• M1: 181,911 km (0.119 R)
• M2: 841,189 km (0.114 R)
• M3: 1,427,313 km (0.057 R)
• M4: 1,892,862 km (0.074 R)
• M5: 2,754,845 km (0.115 R)
• M6: 3,415,020 km (0.107 R)
• M7: 4,634,093 km (0.073 R)
• M8: 5,258,216 km (0.094 R)
• M9: 5,900,589 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.5

Radius: 8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.05 AU - 1.35 AU

Year: 907 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,932,498 km

• M1: 99,483 km (0.081 R)
• M2: 365,019 km (0.12 R)
• M3: 721,511 km (0.092 R)
• M4: 995,723 km (0.119 R)
• M5: 1,284,747 km (0.074 R)
• M6: 1,605,784 km (0.116 R)
• M7: 1,933,702 km (0.076 R)
• M8: 2,183,531 km (0.116 R)
• M9: 3,327,655 km (0.06 R)
• M10: 3,660,361 km (0.115 R)
• M11: 4,217,014 km (0.079 R)
• M12: 5,708,804 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.3

Radius: 12.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.18 AU - 1.92 AU

Year: 1332 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,932,498 km

• M1: 157,975 km (0.104 R)
• M2: 678,277 km (0.114 R)
• M3: 1,342,042 km (0.116 R)
• M4: 2,104,992 km (0.063 R)
• M5: 2,669,424 km (0.109 R)
• M6: 3,333,340 km (0.072 R)
• M7: 3,773,905 km (0.088 R)
• M8: 4,755,268 km (0.101 R)
• M9: 6,327,092 km (0.07 R)
• M10: 7,172,470 km (0.061 R)
• M11: 9,087,921 km (0.114 R)
• M12: 9,865,381 km (0.089 R)

Asteroid Belt

Center: 3.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.2

Radius: 3.7

Gravity: 44.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.84 AU - 6.74 AU

Year: 10889 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,932,498 km

• M1: 46,076 km (0.083 R)
• M2: 227,987 km (0.087 R)
• M3: 454,927 km (0.114 R)
• M4: 656,286 km (0.081 R)
• M5: 914,941 km (0.098 R)
• M6: 1,213,538 km (0.086 R)
• M7: 3,959,108 km (0.092 R)
• M8: 4,124,862 km (0.102 R)
• M9: 5,938,138 km (0.081 R)
• M10: 6,453,353 km (0.119 R)
• M11: 6,839,315 km (0.09 R)
• M12: 6,997,889 km (0.049 R)
• M13: 8,266,629 km (0.117 R)
• M14: 11,249,311 km (0.053 R)
• M15: 12,035,897 km (0.08 R)
• M16: 12,442,504 km (0.115 R)
• M17: 14,745,862 km (0.055 R)
• M18: 15,278,730 km (0.096 R)
• M19: 21,501,104 km (0.09 R)
• M20: 23,329,190 km (0.104 R)
• M21: 25,258,254 km (0.099 R)
• M22: 26,797,616 km (0.082 R)
• M23: 27,092,922 km (0.086 R)
• M24: 28,093,433 km (0.062 R)
• M25: 32,676,513 km (0.059 R)
• M26: 33,013,707 km (0.098 R)
• M27: 35,557,469 km (0.116 R)
• M28: 36,273,295 km (0.053 R)
• M29: 37,120,318 km (0.117 R)
• M30: 37,487,431 km (0.067 R)
• M31: 44,103,547 km (0.048 R)
• M32: 48,046,797 km (0.118 R)
• M33: 48,628,583 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.6

Radius: 4.3

Gravity: 31.24 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.22 AU - 10.66 AU

Year: 20020 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,932,498 km

• M1: 62,981 km (0.101 R)
• M2: 310,864 km (0.101 R)
• M3: 1,034,768 km (0.115 R)
• M4: 1,273,527 km (0.065 R)
• M5: 1,648,269 km (0.11 R)
• M6: 3,242,235 km (0.1 R)
• M7: 3,379,266 km (0.108 R)
• M8: 7,141,503 km (0.094 R)
• M9: 8,304,627 km (0.104 R)
• M10: 8,930,993 km (0.077 R)
• M11: 11,817,783 km (0.05 R)
• M12: 13,225,349 km (0.108 R)
• M13: 14,077,908 km (0.078 R)
• M14: 14,296,620 km (0.11 R)
• M15: 18,284,600 km (0.085 R)
• M16: 27,106,386 km (0.112 R)
• M17: 28,015,642 km (0.113 R)
• M18: 28,246,023 km (0.081 R)
• M19: 30,015,018 km (0.083 R)
• M20: 37,271,113 km (0.03 R)
• M21: 41,153,028 km (0.038 R)
• M22: 57,683,593 km (0.083 R)
• M23: 58,243,687 km (0.066 R)
• M24: 58,431,133 km (0.119 R)
• M25: 59,755,074 km (0.079 R)
• M26: 60,520,417 km (0.075 R)
• M27: 63,250,728 km (0.07 R)
• M28: 63,846,426 km (0.114 R)
• M29: 64,445,716 km (0.063 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: 522 - 13,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit