🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 8.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 12.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,786,177 km

• M1: 100,679 km (0.092 R)
• M2: 430,543 km (0.116 R)
• M3: 827,127 km (0.093 R)
• M4: 1,297,911 km (0.081 R)
• M5: 1,623,735 km (0.09 R)
• M6: 2,148,225 km (0.108 R)
• M7: 2,442,784 km (0.04 R)
• M8: 2,706,076 km (0.094 R)
• M9: 2,997,193 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.4

Radius: 9.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.64 AU - 1.02 AU

Year: 504 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,786,177 km

• M1: 122,969 km (0.105 R)
• M2: 468,092 km (0.098 R)
• M3: 770,579 km (0.109 R)
• M4: 1,182,272 km (0.043 R)
• M5: 1,512,883 km (0.115 R)
• M6: 1,946,867 km (0.047 R)
• M7: 2,281,368 km (0.066 R)
• M8: 2,748,711 km (0.097 R)
• M9: 3,449,577 km (0.087 R)
• M10: 3,943,549 km (0.116 R)
• M11: 4,279,397 km (0.109 R)
• M12: 4,619,283 km (0.105 R)
• M13: 4,929,399 km (0.107 R)
• M14: 5,353,509 km (0.069 R)
• M15: 5,766,400 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 11

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.57 AU - 1.69 AU

Year: 1388 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,786,177 km

• M1: 137,331 km (0.098 R)
• M2: 524,191 km (0.063 R)
• M3: 982,110 km (0.109 R)
• M4: 1,582,745 km (0.115 R)
• M5: 2,269,400 km (0.059 R)
• M6: 4,363,022 km (0.039 R)
• M7: 4,852,357 km (0.096 R)
• M8: 5,334,810 km (0.062 R)
• M9: 7,081,514 km (0.108 R)
• M10: 7,592,840 km (0.06 R)
• M11: 11,630,187 km (0.117 R)
• M12: 12,768,627 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 11.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.99 AU - 3.27 AU

Year: 2844 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,786,177 km

• M1: 138,827 km (0.1 R)
• M2: 499,956 km (0.081 R)
• M3: 883,675 km (0.096 R)
• M4: 1,633,160 km (0.065 R)
• M5: 2,065,647 km (0.102 R)
• M6: 3,639,118 km (0.092 R)
• M7: 4,817,949 km (0.063 R)
• M8: 5,207,801 km (0.099 R)
• M9: 5,643,430 km (0.117 R)
• M10: 6,182,581 km (0.114 R)
• M11: 7,696,960 km (0.112 R)
• M12: 8,328,263 km (0.081 R)
• M13: 8,857,840 km (0.107 R)
• M14: 9,587,129 km (0.089 R)
• M15: 10,393,462 km (0.106 R)
• M16: 11,086,399 km (0.118 R)
• M17: 11,891,984 km (0.099 R)
• M18: 14,877,359 km (0.114 R)
• M19: 15,658,110 km (0.11 R)
• M20: 16,008,169 km (0.057 R)
• M21: 18,831,081 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 8

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.01 AU - 3.29 AU

Year: 3728 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,786,177 km

• M1: 107,411 km (0.12 R)
• M2: 370,554 km (0.104 R)
• M3: 748,289 km (0.111 R)
• M4: 1,344,735 km (0.114 R)
• M5: 2,353,773 km (0.105 R)
• M6: 2,766,962 km (0.072 R)
• M7: 3,300,129 km (0.073 R)
• M8: 4,003,239 km (0.082 R)
• M9: 4,302,285 km (0.038 R)
• M10: 4,616,291 km (0.08 R)
• M11: 5,730,646 km (0.114 R)
• M12: 9,156,586 km (0.079 R)
• M13: 9,715,634 km (0.091 R)
• M14: 13,041,643 km (0.07 R)
• M15: 14,832,629 km (0.09 R)
• M16: 15,760,734 km (0.038 R)
• M17: 16,025,223 km (0.089 R)
• M18: 17,224,699 km (0.065 R)
• M19: 20,483,389 km (0.11 R)
• M20: 21,374,095 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 12.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.83 AU - 6.35 AU

Year: 7658 Days

Day: 7.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,786,177 km

• M1: 158,574 km (0.116 R)
• M2: 637,137 km (0.038 R)
• M3: 1,120,638 km (0.08 R)
• M4: 1,556,715 km (0.055 R)
• M5: 2,474,798 km (0.046 R)
• M6: 2,904,742 km (0.086 R)
• M7: 3,340,969 km (0.101 R)
• M8: 6,024,007 km (0.097 R)
• M9: 10,949,816 km (0.04 R)
• M10: 12,016,449 km (0.056 R)
• M11: 12,656,429 km (0.036 R)
• M12: 13,773,326 km (0.104 R)
• M13: 14,713,399 km (0.067 R)
• M14: 15,322,263 km (0.11 R)
• M15: 16,918,472 km (0.088 R)
• M16: 17,384,619 km (0.032 R)
• M17: 18,203,667 km (0.076 R)
• M18: 19,625,894 km (0.043 R)
• M19: 26,415,394 km (0.073 R)
• M20: 27,133,912 km (0.096 R)
• M21: 31,221,375 km (0.117 R)
• M22: 31,923,587 km (0.111 R)
• M23: 34,730,941 km (0.077 R)
• M24: 35,376,456 km (0.092 R)
• M25: 35,811,337 km (0.081 R)
• M26: 36,580,719 km (0.088 R)
• M27: 37,025,323 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.7

Radius: 6.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.79 AU - 11.47 AU

Year: 23112 Days

Day: 20.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,786,177 km

• M1: 166,353 km (0.092 R)
• M2: 615,296 km (0.088 R)
• M3: 1,106,875 km (0.114 R)
• M4: 1,459,327 km (0.102 R)
• M5: 2,080,158 km (0.079 R)
• M6: 4,700,963 km (0.111 R)
• M7: 5,131,656 km (0.06 R)
• M8: 6,148,772 km (0.071 R)
• M9: 7,601,217 km (0.068 R)
• M10: 11,108,539 km (0.11 R)
• M11: 13,373,002 km (0.116 R)
• M12: 26,631,114 km (0.076 R)
• M13: 27,359,805 km (0.082 R)
• M14: 33,195,468 km (0.051 R)
• M15: 51,294,567 km (0.092 R)
• M16: 55,228,243 km (0.072 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: 534 - 13,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit