🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 14.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,376,542 km

• M1: 182,809 km (0.051 R)
• M2: 703,559 km (0.092 R)
• M3: 1,363,884 km (0.119 R)
• M4: 1,996,084 km (0.102 R)
• M5: 2,862,406 km (0.044 R)
• M6: 3,360,267 km (0.072 R)
• M7: 4,843,381 km (0.114 R)
• M8: 5,656,595 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 11.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.84 AU - 1.1 AU

Year: 648 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,376,542 km

• M1: 140,472 km (0.083 R)
• M2: 495,019 km (0.083 R)
• M3: 873,951 km (0.103 R)
• M4: 1,542,204 km (0.086 R)
• M5: 1,971,401 km (0.095 R)
• M6: 2,797,331 km (0.037 R)
• M7: 3,244,179 km (0.091 R)
• M8: 4,145,058 km (0.08 R)
• M9: 5,032,622 km (0.06 R)
• M10: 5,816,664 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 12.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.02 AU - 4.02 AU

Year: 4479 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,376,542 km

• M1: 159,172 km (0.08 R)
• M2: 582,085 km (0.079 R)
• M3: 1,078,601 km (0.072 R)
• M4: 1,526,347 km (0.102 R)
• M5: 1,996,832 km (0.086 R)
• M6: 2,734,649 km (0.043 R)
• M7: 3,401,556 km (0.053 R)
• M8: 4,217,314 km (0.032 R)
• M9: 4,917,731 km (0.086 R)
• M10: 7,178,753 km (0.091 R)
• M11: 8,417,124 km (0.052 R)
• M12: 8,979,163 km (0.066 R)
• M13: 12,848,961 km (0.104 R)
• M14: 14,173,949 km (0.058 R)
• M15: 14,920,144 km (0.115 R)
• M16: 17,317,001 km (0.106 R)
• M17: 18,636,304 km (0.067 R)
• M18: 19,714,755 km (0.097 R)
• M19: 21,025,083 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 14.1

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.26 AU - 4.82 AU

Year: 6561 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,376,542 km

• M1: 175,478 km (0.091 R)
• M2: 640,728 km (0.059 R)
• M3: 1,096,253 km (0.105 R)
• M4: 2,343,899 km (0.046 R)
• M5: 2,974,604 km (0.085 R)
• M6: 6,079,957 km (0.107 R)
• M7: 7,162,447 km (0.054 R)
• M8: 7,713,266 km (0.094 R)
• M9: 8,579,288 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 5

Gravity: 20.86 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.88 AU - 8.13 AU

Year: 11240 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,376,542 km

• M1: 62,382 km (0.113 R)
• M2: 315,352 km (0.088 R)
• M3: 644,617 km (0.1 R)
• M4: 854,952 km (0.063 R)
• M5: 1,034,170 km (0.1 R)
• M6: 1,402,779 km (0.088 R)
• M7: 3,766,725 km (0.118 R)
• M8: 4,367,809 km (0.108 R)
• M9: 7,378,915 km (0.055 R)
• M10: 8,359,978 km (0.096 R)
• M11: 8,812,511 km (0.088 R)
• M12: 9,091,661 km (0.111 R)
• M13: 9,424,965 km (0.093 R)
• M14: 12,506,532 km (0.089 R)
• M15: 12,800,043 km (0.113 R)
• M16: 15,116,416 km (0.093 R)
• M17: 15,516,590 km (0.067 R)
• M18: 16,268,768 km (0.075 R)
• M19: 17,333,008 km (0.074 R)
• M20: 17,993,482 km (0.043 R)
• M21: 20,885,508 km (0.111 R)
• M22: 21,970,990 km (0.106 R)
• M23: 23,269,650 km (0.11 R)
• M24: 24,802,280 km (0.095 R)
• M25: 25,640,327 km (0.1 R)
• M26: 32,702,394 km (0.077 R)
• M27: 35,433,752 km (0.11 R)
• M28: 35,785,456 km (0.113 R)
• M29: 37,215,911 km (0.039 R)
• M30: 37,945,201 km (0.043 R)
• M31: 41,474,813 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 5.4

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.21 AU - 9.33 AU

Year: 16131 Days

Day: 23.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,376,542 km

• M1: 67,169 km (0.084 R)
• M2: 297,849 km (0.105 R)
• M3: 472,280 km (0.118 R)
• M4: 726,896 km (0.105 R)
• M5: 956,230 km (0.078 R)
• M6: 1,456,784 km (0.11 R)
• M7: 1,723,517 km (0.096 R)
• M8: 2,273,738 km (0.107 R)
• M9: 2,459,838 km (0.099 R)
• M10: 2,746,767 km (0.104 R)
• M11: 3,155,169 km (0.049 R)
• M12: 3,885,954 km (0.101 R)
• M13: 5,942,626 km (0.116 R)
• M14: 6,297,322 km (0.115 R)
• M15: 7,092,734 km (0.116 R)
• M16: 9,292,272 km (0.108 R)
• M17: 9,609,120 km (0.082 R)
• M18: 12,032,606 km (0.053 R)
• M19: 14,062,798 km (0.089 R)
• M20: 14,480,625 km (0.053 R)
• M21: 15,267,959 km (0.101 R)
• M22: 18,871,173 km (0.12 R)
• M23: 23,582,908 km (0.095 R)
• M24: 25,176,723 km (0.108 R)
• M25: 26,628,870 km (0.059 R)
• M26: 34,987,950 km (0.103 R)
• M27: 35,242,117 km (0.096 R)
• M28: 42,438,373 km (0.093 R)
• M29: 44,639,705 km (0.089 R)
• M30: 50,392,641 km (0.077 R)
• M31: 52,193,650 km (0.031 R)
• M32: 54,718,264 km (0.105 R)
• M33: 56,271,389 km (0.06 R)
• M34: 58,745,438 km (0.102 R)
• M35: 60,191,302 km (0.1 R)
• M36: 60,922,985 km (0.108 R)
• M37: 62,031,655 km (0.059 R)

Asteroid Belt

Center: 9.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.2

Radius: 7.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.73 AU - 10.39 AU

Year: 21642 Days

Day: 19.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,376,542 km

• M1: 99,183 km (0.063 R)
• M2: 427,551 km (0.077 R)
• M3: 676,631 km (0.096 R)
• M4: 1,086,380 km (0.114 R)
• M5: 1,687,464 km (0.113 R)
• M6: 2,120,849 km (0.068 R)
• M7: 3,477,403 km (0.095 R)
• M8: 9,666,566 km (0.081 R)
• M9: 11,536,689 km (0.12 R)
• M10: 11,849,199 km (0.115 R)
• M11: 17,080,786 km (0.099 R)
• M12: 23,471,906 km (0.116 R)
• M13: 25,841,985 km (0.071 R)
• M14: 29,514,613 km (0.098 R)
• M15: 29,982,256 km (0.086 R)
• M16: 34,286,486 km (0.104 R)
• M17: 39,973,897 km (0.088 R)
• M18: 53,865,406 km (0.051 R)
• M19: 64,003,355 km (0.079 R)
• M20: 65,378,309 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit