🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 12.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.55 AU - 0.85 AU

Year: 397 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,558,596 km

• M1: 159,322 km (0.032 R)
• M2: 573,409 km (0.12 R)
• M3: 1,179,130 km (0.1 R)
• M4: 1,581,100 km (0.086 R)
• M5: 2,113,519 km (0.094 R)
• M6: 2,928,229 km (0.107 R)
• M7: 3,378,369 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 12.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.77 AU - 0.93 AU

Year: 532 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,558,596 km

• M1: 155,432 km (0.119 R)
• M2: 564,882 km (0.119 R)
• M3: 1,101,639 km (0.094 R)
• M4: 1,728,454 km (0.034 R)
• M5: 2,236,937 km (0.083 R)
• M6: 2,658,803 km (0.096 R)
• M7: 3,074,535 km (0.07 R)
• M8: 3,469,324 km (0.063 R)
• M9: 3,968,383 km (0.074 R)
• M10: 4,703,058 km (0.089 R)
• M11: 5,145,419 km (0.099 R)
• M12: 6,057,667 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 8.7

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.94 AU - 1.28 AU

Year: 793 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,558,596 km

• M1: 108,159 km (0.082 R)
• M2: 381,175 km (0.074 R)
• M3: 853,306 km (0.107 R)
• M4: 1,173,745 km (0.117 R)
• M5: 1,745,059 km (0.101 R)
• M6: 2,736,145 km (0.106 R)
• M7: 3,159,956 km (0.067 R)
• M8: 4,341,629 km (0.118 R)
• M9: 5,473,636 km (0.081 R)
• M10: 6,088,484 km (0.091 R)
• M11: 7,319,375 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 12.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.79 AU - 2.67 AU

Year: 2259 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,558,596 km

• M1: 161,267 km (0.084 R)
• M2: 780,302 km (0.11 R)
• M3: 1,393,055 km (0.103 R)
• M4: 2,208,962 km (0.065 R)
• M5: 3,184,939 km (0.115 R)
• M6: 3,956,415 km (0.104 R)
• M7: 5,033,669 km (0.07 R)
• M8: 5,565,789 km (0.084 R)
• M9: 7,181,147 km (0.072 R)
• M10: 7,731,218 km (0.069 R)
• M11: 9,552,422 km (0.047 R)
• M12: 13,792,624 km (0.078 R)
• M13: 16,401,013 km (0.033 R)
• M14: 17,684,114 km (0.09 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 8.5

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.57 AU - 4.81 AU

Year: 5817 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,558,596 km

• M1: 106,962 km (0.103 R)
• M2: 513,121 km (0.104 R)
• M3: 1,021,155 km (0.081 R)
• M4: 1,937,592 km (0.086 R)
• M5: 2,520,874 km (0.101 R)
• M6: 2,971,463 km (0.087 R)
• M7: 5,069,124 km (0.096 R)
• M8: 6,304,952 km (0.07 R)
• M9: 6,886,888 km (0.076 R)
• M10: 7,541,528 km (0.102 R)
• M11: 8,559,392 km (0.118 R)
• M12: 9,144,170 km (0.093 R)
• M13: 10,300,561 km (0.101 R)
• M14: 10,818,020 km (0.111 R)
• M15: 12,007,174 km (0.056 R)
• M16: 12,793,460 km (0.078 R)
• M17: 16,284,177 km (0.093 R)
• M18: 18,044,046 km (0.104 R)
• M19: 21,937,630 km (0.063 R)
• M20: 25,412,789 km (0.106 R)
• M21: 25,925,311 km (0.111 R)
• M22: 26,619,146 km (0.095 R)
• M23: 30,948,060 km (0.081 R)
• M24: 33,533,560 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.3

Radius: 8.2

Gravity: 14.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.03 AU - 6.53 AU

Year: 8229 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,558,596 km

• M1: 102,175 km (0.04 R)
• M2: 493,972 km (0.115 R)
• M3: 775,964 km (0.032 R)
• M4: 1,360,443 km (0.076 R)
• M5: 1,889,870 km (0.084 R)
• M6: 3,575,240 km (0.093 R)
• M7: 4,180,662 km (0.11 R)
• M8: 5,198,676 km (0.072 R)
• M9: 7,384,300 km (0.106 R)
• M10: 8,057,341 km (0.116 R)
• M11: 9,048,876 km (0.11 R)
• M12: 9,428,855 km (0.115 R)
• M13: 9,918,788 km (0.026 R)
• M14: 10,425,625 km (0.075 R)
• M15: 11,656,666 km (0.094 R)
• M16: 12,452,078 km (0.064 R)
• M17: 14,087,332 km (0.105 R)
• M18: 15,656,764 km (0.09 R)
• M19: 18,299,709 km (0.093 R)
• M20: 18,831,230 km (0.086 R)
• M21: 21,226,143 km (0.055 R)
• M22: 25,002,741 km (0.104 R)
• M23: 30,139,782 km (0.059 R)
• M24: 31,851,780 km (0.115 R)
• M25: 39,224,412 km (0.067 R)
• M26: 42,704,807 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794

Radius: 6.4

Gravity: 19.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.32 AU - 10.26 AU

Year: 17676 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,558,596 km

• M1: 79,736 km (0.084 R)
• M2: 317,895 km (0.089 R)
• M3: 616,493 km (0.099 R)
• M4: 1,021,753 km (0.088 R)
• M5: 1,817,764 km (0.055 R)
• M6: 2,248,905 km (0.068 R)
• M7: 3,098,920 km (0.097 R)
• M8: 3,864,711 km (0.118 R)
• M9: 4,611,205 km (0.118 R)
• M10: 5,259,263 km (0.102 R)
• M11: 5,844,490 km (0.055 R)
• M12: 6,472,053 km (0.084 R)
• M13: 6,824,655 km (0.119 R)
• M14: 8,836,597 km (0.046 R)
• M15: 9,325,931 km (0.099 R)
• M16: 10,478,134 km (0.038 R)
• M17: 11,088,344 km (0.116 R)
• M18: 13,553,717 km (0.106 R)
• M19: 15,412,321 km (0.119 R)
• M20: 17,688,452 km (0.077 R)
• M21: 18,030,882 km (0.093 R)
• M22: 19,264,466 km (0.071 R)
• M23: 20,086,506 km (0.05 R)
• M24: 22,592,719 km (0.093 R)
• M25: 23,403,988 km (0.081 R)
• M26: 32,356,972 km (0.12 R)
• M27: 43,195,039 km (0.107 R)
• M28: 46,522,395 km (0.073 R)
• M29: 47,668,464 km (0.071 R)
• M30: 47,999,225 km (0.058 R)
• M31: 48,665,534 km (0.117 R)
• M32: 50,873,748 km (0.108 R)
• M33: 53,860,918 km (0.1 R)
• M34: 63,320,440 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.2

Radius: 6.2

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.45 AU - 11.83 AU

Year: 20301 Days

Day: 24.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,558,596 km

• M1: 77,043 km (0.075 R)
• M2: 686,654 km (0.1 R)
• M3: 1,693,897 km (0.094 R)
• M4: 2,412,565 km (0.114 R)
• M5: 3,582,719 km (0.101 R)
• M6: 4,094,943 km (0.08 R)
• M7: 4,368,707 km (0.052 R)
• M8: 4,719,962 km (0.103 R)
• M9: 5,515,374 km (0.086 R)
• M10: 7,546,913 km (0.108 R)
• M11: 8,483,546 km (0.049 R)
• M12: 9,081,339 km (0.065 R)
• M13: 9,338,647 km (0.069 R)
• M14: 11,336,975 km (0.105 R)
• M15: 13,737,872 km (0.089 R)
• M16: 24,387,445 km (0.107 R)
• M17: 38,145,512 km (0.116 R)
• M18: 49,198,102 km (0.12 R)
• M19: 49,992,168 km (0.112 R)
• M20: 51,768,792 km (0.085 R)
• M21: 53,253,551 km (0.112 R)
• M22: 58,053,698 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 10,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit