🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 9.3

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,934,476 km

• M1: 115,639 km (0.077 R)
• M2: 486,791 km (0.052 R)
• M3: 787,334 km (0.082 R)
• M4: 1,249,441 km (0.071 R)
• M5: 1,562,999 km (0.047 R)
• M6: 1,907,672 km (0.086 R)
• M7: 2,344,797 km (0.084 R)
• M8: 2,724,925 km (0.079 R)
• M9: 3,228,920 km (0.091 R)
• M10: 3,644,055 km (0.108 R)
• M11: 4,168,844 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 10.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.47 AU - 1.67 AU

Year: 1312 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 129.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,934,476 km

• M1: 125,662 km (0.038 R)
• M2: 479,611 km (0.093 R)
• M3: 807,679 km (0.105 R)
• M4: 1,234,930 km (0.081 R)
• M5: 1,811,630 km (0.115 R)
• M6: 2,191,758 km (0.108 R)
• M7: 3,017,090 km (0.051 R)
• M8: 3,515,101 km (0.101 R)
• M9: 4,157,175 km (0.087 R)
• M10: 4,482,700 km (0.099 R)
• M11: 7,263,126 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 8.1

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.36 AU - 3.28 AU

Year: 3158 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,934,476 km

• M1: 100,679 km (0.111 R)
• M2: 380,278 km (0.077 R)
• M3: 646,562 km (0.042 R)
• M4: 1,027,588 km (0.084 R)
• M5: 1,542,952 km (0.12 R)
• M6: 1,835,267 km (0.072 R)
• M7: 2,548,849 km (0.055 R)
• M8: 2,995,548 km (0.079 R)
• M9: 3,591,396 km (0.112 R)
• M10: 4,490,629 km (0.054 R)
• M11: 4,845,774 km (0.08 R)
• M12: 5,693,396 km (0.111 R)
• M13: 6,167,023 km (0.117 R)
• M14: 8,085,316 km (0.086 R)
• M15: 8,433,879 km (0.11 R)
• M16: 10,088,581 km (0.096 R)
• M17: 10,740,529 km (0.076 R)
• M18: 11,948,980 km (0.086 R)
• M19: 12,219,154 km (0.11 R)
• M20: 21,688,550 km (0.111 R)
• M21: 22,158,736 km (0.07 R)
• M22: 22,980,776 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 13.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.55 AU - 3.77 AU

Year: 3746 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,934,476 km

• M1: 164,707 km (0.108 R)
• M2: 589,565 km (0.11 R)
• M3: 1,798,316 km (0.091 R)
• M4: 2,310,090 km (0.079 R)
• M5: 3,087,251 km (0.074 R)
• M6: 3,809,211 km (0.089 R)
• M7: 4,618,385 km (0.05 R)
• M8: 5,137,490 km (0.103 R)
• M9: 6,071,130 km (0.049 R)
• M10: 6,903,194 km (0.079 R)
• M11: 8,411,439 km (0.093 R)
• M12: 9,594,908 km (0.09 R)
• M13: 11,766,920 km (0.114 R)
• M14: 12,968,041 km (0.051 R)
• M15: 14,445,918 km (0.075 R)
• M16: 15,509,110 km (0.112 R)
• M17: 16,086,558 km (0.068 R)
• M18: 16,842,177 km (0.104 R)
• M19: 18,192,298 km (0.065 R)
• M20: 19,613,478 km (0.065 R)
• M21: 21,363,773 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.8

Radius: 7.3

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.35 AU - 10.35 AU

Year: 16090 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 80.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,934,476 km

• M1: 90,956 km (0.119 R)
• M2: 869,313 km (0.111 R)
• M3: 1,369,419 km (0.093 R)
• M4: 1,991,447 km (0.103 R)
• M5: 2,223,174 km (0.047 R)
• M6: 2,451,460 km (0.105 R)
• M7: 2,907,135 km (0.106 R)
• M8: 3,311,349 km (0.096 R)
• M9: 3,610,545 km (0.099 R)
• M10: 3,839,429 km (0.08 R)
• M11: 4,390,099 km (0.1 R)
• M12: 7,264,921 km (0.079 R)
• M13: 7,631,137 km (0.095 R)
• M14: 9,814,967 km (0.094 R)
• M15: 12,709,386 km (0.116 R)
• M16: 15,074,229 km (0.04 R)
• M17: 19,408,229 km (0.076 R)
• M18: 19,847,299 km (0.108 R)
• M19: 21,952,590 km (0.05 R)
• M20: 23,800,423 km (0.118 R)
• M21: 27,471,704 km (0.117 R)
• M22: 28,360,914 km (0.105 R)
• M23: 28,699,155 km (0.061 R)
• M24: 32,600,667 km (0.113 R)
• M25: 33,221,050 km (0.038 R)
• M26: 34,102,779 km (0.096 R)
• M27: 34,485,451 km (0.046 R)
• M28: 35,259,321 km (0.111 R)
• M29: 38,195,927 km (0.097 R)
• M30: 39,583,148 km (0.065 R)
• M31: 40,147,281 km (0.119 R)
• M32: 44,096,665 km (0.058 R)
• M33: 49,265,720 km (0.071 R)
• M34: 52,757,185 km (0.103 R)
• M35: 55,349,716 km (0.116 R)
• M36: 55,701,570 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 7

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.68 AU - 9.34 AU

Year: 16555 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,934,476 km

• M1: 88,113 km (0.102 R)
• M2: 446,849 km (0.098 R)
• M3: 1,369,269 km (0.059 R)
• M4: 1,934,600 km (0.111 R)
• M5: 2,602,105 km (0.051 R)
• M6: 2,848,343 km (0.102 R)
• M7: 3,519,290 km (0.104 R)
• M8: 4,080,880 km (0.11 R)
• M9: 5,067,478 km (0.112 R)
• M10: 8,003,486 km (0.093 R)
• M11: 8,238,654 km (0.108 R)
• M12: 9,641,732 km (0.103 R)
• M13: 10,016,026 km (0.096 R)
• M14: 11,023,119 km (0.089 R)
• M15: 12,406,151 km (0.048 R)
• M16: 15,512,402 km (0.116 R)
• M17: 16,627,953 km (0.079 R)
• M18: 22,735,286 km (0.117 R)
• M19: 28,190,223 km (0.07 R)
• M20: 28,955,715 km (0.084 R)
• M21: 33,233,167 km (0.064 R)
• M22: 38,444,558 km (0.11 R)
• M23: 40,756,294 km (0.116 R)
• M24: 41,734,515 km (0.11 R)
• M25: 42,016,806 km (0.099 R)
• M26: 48,868,239 km (0.096 R)
• M27: 52,229,404 km (0.069 R)
• M28: 59,765,546 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.2

Radius: 6.4

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.27 AU - 10.11 AU

Year: 20115 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,934,476 km

• M1: 80,334 km (0.093 R)
• M2: 864,526 km (0.111 R)
• M3: 1,489,097 km (0.101 R)
• M4: 2,158,548 km (0.045 R)
• M5: 3,953,273 km (0.109 R)
• M6: 8,222,647 km (0.051 R)
• M7: 8,615,042 km (0.099 R)
• M8: 10,824,902 km (0.12 R)
• M9: 16,633,937 km (0.075 R)
• M10: 18,480,723 km (0.034 R)
• M11: 20,282,330 km (0.091 R)
• M12: 38,680,325 km (0.072 R)
• M13: 43,206,109 km (0.119 R)
• M14: 43,795,525 km (0.086 R)
• M15: 49,504,329 km (0.079 R)
• M16: 52,452,604 km (0.071 R)
• M17: 61,996,350 km (0.075 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 10,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit