🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.3

Radius: 9.9

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.65 AU - 2.29 AU

Year: 1785 Days

Day: 5.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,810,410 km

• M1: 160,818 km (0.097 R)
• M2: 524,341 km (0.086 R)
• M3: 1,518,867 km (0.112 R)
• M4: 1,980,825 km (0.111 R)
• M5: 3,065,560 km (0.089 R)
• M6: 3,703,295 km (0.072 R)
• M7: 4,447,096 km (0.095 R)
• M8: 5,133,002 km (0.064 R)
• M9: 5,935,894 km (0.094 R)
• M10: 6,636,760 km (0.116 R)
• M11: 7,225,278 km (0.074 R)
• M12: 8,912,892 km (0.078 R)
• M13: 9,331,766 km (0.105 R)
• M14: 9,933,598 km (0.11 R)
• M15: 10,740,080 km (0.059 R)
• M16: 11,933,871 km (0.102 R)
• M17: 12,723,748 km (0.104 R)
• M18: 13,463,958 km (0.114 R)
• M19: 13,973,189 km (0.049 R)
• M20: 14,672,110 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.7

Radius: 12

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.7 AU - 2.9 AU

Year: 3025 Days

Day: 14.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,810,410 km

• M1: 156,031 km (0.113 R)
• M2: 596,746 km (0.079 R)
• M3: 1,344,586 km (0.086 R)
• M4: 1,720,525 km (0.11 R)
• M5: 2,679,597 km (0.111 R)
• M6: 3,079,921 km (0.083 R)
• M7: 3,486,528 km (0.086 R)
• M8: 4,591,159 km (0.114 R)
• M9: 5,940,382 km (0.116 R)
• M10: 7,654,474 km (0.1 R)
• M11: 8,039,539 km (0.095 R)
• M12: 8,500,001 km (0.054 R)
• M13: 9,643,228 km (0.042 R)
• M14: 10,629,527 km (0.092 R)
• M15: 11,681,799 km (0.117 R)
• M16: 12,233,366 km (0.039 R)
• M17: 12,719,858 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 9.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.17 AU - 3.67 AU

Year: 4084 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,810,410 km

• M1: 116,088 km (0.031 R)
• M2: 412,142 km (0.118 R)
• M3: 713,432 km (0.092 R)
• M4: 1,098,348 km (0.095 R)
• M5: 1,398,291 km (0.037 R)
• M6: 1,790,986 km (0.063 R)
• M7: 2,767,561 km (0.059 R)
• M8: 3,492,362 km (0.08 R)
• M9: 4,772,471 km (0.092 R)
• M10: 6,161,488 km (0.11 R)
• M11: 6,773,792 km (0.119 R)
• M12: 7,160,352 km (0.103 R)
• M13: 7,767,720 km (0.064 R)
• M14: 8,191,381 km (0.097 R)
• M15: 9,201,316 km (0.071 R)
• M16: 11,065,754 km (0.115 R)
• M17: 11,557,333 km (0.075 R)
• M18: 11,877,622 km (0.036 R)
• M19: 14,711,604 km (0.062 R)
• M20: 15,526,314 km (0.112 R)
• M21: 18,028,638 km (0.118 R)
• M22: 18,397,995 km (0.087 R)
• M23: 19,925,988 km (0.103 R)
• M24: 20,720,951 km (0.061 R)
• M25: 21,537,007 km (0.103 R)
• M26: 25,475,769 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 12.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.99 AU - 4.51 AU

Year: 4689 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,810,410 km

• M1: 180,265 km (0.113 R)
• M2: 652,546 km (0.097 R)
• M3: 1,301,352 km (0.111 R)
• M4: 2,849,989 km (0.091 R)
• M5: 3,652,133 km (0.085 R)
• M6: 5,753,833 km (0.109 R)
• M7: 6,705,575 km (0.067 R)
• M8: 8,186,295 km (0.063 R)
• M9: 9,355,851 km (0.114 R)
• M10: 9,874,955 km (0.081 R)
• M11: 10,596,915 km (0.093 R)
• M12: 12,227,831 km (0.031 R)
• M13: 15,261,376 km (0.093 R)
• M14: 17,335,850 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.1

Radius: 5.5

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.06 AU - 11.28 AU

Year: 19416 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,810,410 km

• M1: 68,516 km (0.093 R)
• M2: 306,526 km (0.095 R)
• M3: 513,270 km (0.1 R)
• M4: 1,429,408 km (0.053 R)
• M5: 1,843,495 km (0.107 R)
• M6: 3,109,990 km (0.098 R)
• M7: 5,227,997 km (0.027 R)
• M8: 5,720,772 km (0.064 R)
• M9: 6,754,942 km (0.062 R)
• M10: 7,065,657 km (0.058 R)
• M11: 10,016,924 km (0.108 R)
• M12: 11,572,592 km (0.117 R)
• M13: 13,629,413 km (0.028 R)
• M14: 15,078,717 km (0.045 R)
• M15: 21,810,023 km (0.098 R)
• M16: 22,002,406 km (0.119 R)
• M17: 27,300,265 km (0.108 R)
• M18: 30,302,096 km (0.102 R)
• M19: 37,499,997 km (0.108 R)
• M20: 48,814,084 km (0.064 R)
• M21: 53,212,262 km (0.067 R)
• M22: 57,499,886 km (0.047 R)
• M23: 67,772,323 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.4

Radius: 4.1

Gravity: 28.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.77 AU - 12.95 AU

Year: 21531 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,810,410 km

• M1: 51,013 km (0.064 R)
• M2: 309,368 km (0.074 R)
• M3: 1,196,933 km (0.061 R)
• M4: 2,435,453 km (0.1 R)
• M5: 3,084,858 km (0.109 R)
• M6: 4,248,430 km (0.098 R)
• M7: 4,579,640 km (0.083 R)
• M8: 6,119,750 km (0.114 R)
• M9: 6,585,298 km (0.064 R)
• M10: 8,223,844 km (0.032 R)
• M11: 12,017,347 km (0.082 R)
• M12: 13,017,708 km (0.102 R)
• M13: 20,953,875 km (0.085 R)
• M14: 22,299,956 km (0.111 R)
• M15: 27,239,678 km (0.095 R)
• M16: 29,074,496 km (0.045 R)
• M17: 31,605,692 km (0.116 R)
• M18: 46,968,346 km (0.067 R)
• M19: 47,617,002 km (0.097 R)
• M20: 60,145,375 km (0.074 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: 309 - 15,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit