🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 8.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.73 AU - 0.97 AU

Year: 541 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,707,259 km

• M1: 107,411 km (0.035 R)
• M2: 402,269 km (0.087 R)
• M3: 838,496 km (0.078 R)
• M4: 1,349,822 km (0.091 R)
• M5: 1,658,143 km (0.098 R)
• M6: 2,223,623 km (0.069 R)
• M7: 2,772,198 km (0.107 R)
• M8: 5,127,467 km (0.066 R)
• M9: 6,047,943 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.22 AU - 1.92 AU

Year: 1358 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,707,259 km

• M1: 112,198 km (0.108 R)
• M2: 514,617 km (0.098 R)
• M3: 854,802 km (0.099 R)
• M4: 1,299,407 km (0.052 R)
• M5: 1,707,061 km (0.042 R)
• M6: 2,159,894 km (0.055 R)
• M7: 3,192,419 km (0.109 R)
• M8: 4,000,097 km (0.079 R)
• M9: 4,572,459 km (0.116 R)
• M10: 5,376,996 km (0.071 R)
• M11: 5,822,798 km (0.12 R)
• M12: 6,682,986 km (0.083 R)
• M13: 7,176,808 km (0.114 R)
• M14: 7,466,430 km (0.08 R)
• M15: 7,810,355 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 11.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.17 AU - 2.45 AU

Year: 2423 Days

Day: 10.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,707,259 km

• M1: 141,071 km (0.1 R)
• M2: 764,296 km (0.072 R)
• M3: 1,188,106 km (0.119 R)
• M4: 1,831,377 km (0.117 R)
• M5: 2,393,117 km (0.057 R)
• M6: 3,188,379 km (0.116 R)
• M7: 3,758,946 km (0.044 R)
• M8: 4,320,237 km (0.06 R)
• M9: 4,833,358 km (0.098 R)
• M10: 5,475,731 km (0.111 R)
• M11: 5,934,996 km (0.111 R)
• M12: 6,672,215 km (0.105 R)
• M13: 7,036,485 km (0.093 R)
• M14: 10,040,111 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 11.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.6 AU - 3.2 AU

Year: 3409 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,707,259 km

• M1: 147,354 km (0.109 R)
• M2: 736,620 km (0.117 R)
• M3: 1,116,000 km (0.098 R)
• M4: 2,097,213 km (0.119 R)
• M5: 2,746,767 km (0.032 R)
• M6: 3,545,320 km (0.117 R)
• M7: 4,208,936 km (0.117 R)
• M8: 4,906,361 km (0.052 R)
• M9: 5,653,004 km (0.064 R)
• M10: 6,108,829 km (0.063 R)
• M11: 6,618,210 km (0.118 R)
• M12: 7,435,463 km (0.053 R)
• M13: 7,950,678 km (0.11 R)
• M14: 9,125,021 km (0.112 R)
• M15: 11,988,474 km (0.104 R)
• M16: 12,473,321 km (0.045 R)
• M17: 13,063,335 km (0.119 R)
• M18: 14,397,000 km (0.092 R)
• M19: 15,610,837 km (0.095 R)
• M20: 16,403,407 km (0.066 R)
• M21: 16,836,941 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 14.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.78 AU - 4.18 AU

Year: 4481 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,707,259 km

• M1: 176,525 km (0.083 R)
• M2: 1,294,770 km (0.066 R)
• M3: 2,990,013 km (0.081 R)
• M4: 3,602,167 km (0.108 R)
• M5: 4,393,390 km (0.117 R)
• M6: 5,134,498 km (0.027 R)
• M7: 7,066,555 km (0.067 R)
• M8: 9,859,996 km (0.111 R)
• M9: 10,461,379 km (0.073 R)
• M10: 11,087,297 km (0.081 R)
• M11: 12,267,175 km (0.064 R)
• M12: 13,738,769 km (0.057 R)
• M13: 18,729,953 km (0.076 R)
• M14: 23,733,702 km (0.108 R)
• M15: 27,079,159 km (0.086 R)
• M16: 29,653,290 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.4

Radius: 8.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.78 AU - 4.28 AU

Year: 5584 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,707,259 km

• M1: 108,159 km (0.084 R)
• M2: 390,151 km (0.046 R)
• M3: 669,899 km (0.112 R)
• M4: 976,724 km (0.104 R)
• M5: 1,304,643 km (0.098 R)
• M6: 1,796,072 km (0.066 R)
• M7: 2,520,425 km (0.103 R)
• M8: 2,853,729 km (0.067 R)
• M9: 3,535,895 km (0.115 R)
• M10: 4,197,567 km (0.087 R)
• M11: 4,536,555 km (0.096 R)
• M12: 6,625,540 km (0.116 R)
• M13: 7,145,094 km (0.102 R)
• M14: 7,975,212 km (0.103 R)
• M15: 8,430,139 km (0.088 R)
• M16: 9,250,384 km (0.111 R)
• M17: 10,122,839 km (0.045 R)
• M18: 16,491,819 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.2

Radius: 8

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.59 AU - 6.53 AU

Year: 9049 Days

Day: 24.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,707,259 km

• M1: 99,483 km (0.118 R)
• M2: 354,098 km (0.086 R)
• M3: 781,050 km (0.071 R)
• M4: 1,087,427 km (0.1 R)
• M5: 1,514,678 km (0.093 R)
• M6: 2,242,622 km (0.077 R)
• M7: 2,564,556 km (0.111 R)
• M8: 2,852,682 km (0.085 R)
• M9: 4,968,594 km (0.1 R)
• M10: 6,001,567 km (0.041 R)
• M11: 6,437,795 km (0.056 R)
• M12: 6,894,816 km (0.103 R)
• M13: 7,662,702 km (0.077 R)
• M14: 7,959,504 km (0.086 R)
• M15: 8,396,928 km (0.108 R)
• M16: 8,896,436 km (0.092 R)
• M17: 9,224,504 km (0.099 R)
• M18: 10,618,457 km (0.111 R)
• M19: 12,493,367 km (0.06 R)
• M20: 14,068,633 km (0.039 R)
• M21: 15,367,292 km (0.114 R)
• M22: 19,426,331 km (0.056 R)
• M23: 20,461,548 km (0.09 R)
• M24: 20,787,372 km (0.094 R)
• M25: 21,282,391 km (0.099 R)
• M26: 23,165,679 km (0.067 R)
• M27: 28,556,588 km (0.113 R)
• M28: 29,065,819 km (0.104 R)
• M29: 33,473,720 km (0.113 R)
• M30: 35,659,644 km (0.105 R)
• M31: 36,250,406 km (0.112 R)
• M32: 36,607,945 km (0.098 R)
• M33: 37,209,030 km (0.108 R)
• M34: 43,856,261 km (0.088 R)
• M35: 44,944,436 km (0.051 R)
• M36: 46,610,358 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.5

Radius: 7.6

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.82 AU - 7.66 AU

Year: 13447 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,707,259 km

• M1: 94,695 km (0.108 R)
• M2: 505,491 km (0.034 R)
• M3: 1,068,727 km (0.113 R)
• M4: 1,815,969 km (0.101 R)
• M5: 2,209,261 km (0.099 R)
• M6: 2,784,914 km (0.084 R)
• M7: 3,050,899 km (0.12 R)
• M8: 5,976,435 km (0.067 R)
• M9: 6,345,493 km (0.109 R)
• M10: 9,918,638 km (0.045 R)
• M11: 10,917,952 km (0.11 R)
• M12: 15,248,960 km (0.094 R)
• M13: 23,381,399 km (0.1 R)
• M14: 35,774,984 km (0.091 R)
• M15: 39,763,712 km (0.078 R)
• M16: 45,435,566 km (0.054 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: 358 - 17,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit