🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 11.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.67 AU - 0.97 AU

Year: 487 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,923,954 km

• M1: 144,212 km (0.081 R)
• M2: 770,429 km (0.099 R)
• M3: 1,280,857 km (0.07 R)
• M4: 2,182,483 km (0.102 R)
• M5: 2,630,529 km (0.095 R)
• M6: 4,135,334 km (0.073 R)
• M7: 4,544,484 km (0.107 R)
• M8: 5,058,652 km (0.085 R)
• M9: 5,990,348 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.7

Radius: 8.5

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.06 AU - 1.22 AU

Year: 798 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,923,954 km

• M1: 106,214 km (0.062 R)
• M2: 432,338 km (0.103 R)
• M3: 1,747,602 km (0.09 R)
• M4: 2,085,095 km (0.103 R)
• M5: 2,880,806 km (0.102 R)
• M6: 3,515,101 km (0.102 R)
• M7: 4,769,629 km (0.119 R)
• M8: 5,637,596 km (0.077 R)
• M9: 6,523,963 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 11.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.41 AU - 1.45 AU

Year: 1122 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,923,954 km

• M1: 143,614 km (0.095 R)
• M2: 560,094 km (0.079 R)
• M3: 1,049,878 km (0.11 R)
• M4: 1,429,707 km (0.084 R)
• M5: 2,013,587 km (0.06 R)
• M6: 2,502,024 km (0.074 R)
• M7: 3,145,594 km (0.083 R)
• M8: 3,911,536 km (0.107 R)
• M9: 4,510,525 km (0.073 R)
• M10: 5,892,361 km (0.103 R)
• M11: 7,146,141 km (0.063 R)

Asteroid Belt

Center: 2.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 11.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.48 AU - 4.96 AU

Year: 5687 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,923,954 km

• M1: 143,614 km (0.072 R)
• M2: 807,081 km (0.12 R)
• M3: 1,722,470 km (0.054 R)
• M4: 2,338,813 km (0.1 R)
• M5: 6,322,006 km (0.091 R)
• M6: 8,239,552 km (0.087 R)
• M7: 10,402,288 km (0.08 R)
• M8: 15,464,829 km (0.048 R)
• M9: 18,837,065 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.4

Radius: 4.3

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8 AU - 8.58 AU

Year: 15658 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,923,954 km

• M1: 53,556 km (0.078 R)
• M2: 261,647 km (0.095 R)
• M3: 397,930 km (0.105 R)
• M4: 773,122 km (0.101 R)
• M5: 1,157,289 km (0.084 R)
• M6: 2,218,387 km (0.049 R)
• M7: 3,118,816 km (0.098 R)
• M8: 3,258,092 km (0.078 R)
• M9: 4,381,871 km (0.12 R)
• M10: 6,573,779 km (0.053 R)
• M11: 8,339,632 km (0.103 R)
• M12: 9,307,232 km (0.111 R)
• M13: 11,136,215 km (0.086 R)
• M14: 15,688,927 km (0.074 R)
• M15: 16,869,853 km (0.076 R)
• M16: 18,560,009 km (0.095 R)
• M17: 20,199,004 km (0.081 R)
• M18: 26,164,368 km (0.097 R)
• M19: 29,030,215 km (0.103 R)
• M20: 33,541,339 km (0.107 R)
• M21: 40,892,129 km (0.107 R)
• M22: 41,668,393 km (0.083 R)
• M23: 46,673,339 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.8

Radius: 7.6

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.59 AU - 10.43 AU

Year: 19239 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,923,954 km

• M1: 136,433 km (0.086 R)
• M2: 510,727 km (0.101 R)
• M3: 884,871 km (0.067 R)
• M4: 1,253,780 km (0.098 R)
• M5: 1,777,073 km (0.095 R)
• M6: 2,237,386 km (0.1 R)
• M7: 3,337,828 km (0.102 R)
• M8: 4,006,979 km (0.099 R)
• M9: 4,582,781 km (0.031 R)
• M10: 5,251,184 km (0.112 R)
• M11: 6,507,507 km (0.117 R)
• M12: 8,212,923 km (0.079 R)
• M13: 9,027,783 km (0.07 R)
• M14: 12,479,754 km (0.109 R)
• M15: 15,004,367 km (0.085 R)
• M16: 15,889,089 km (0.067 R)
• M17: 16,469,978 km (0.119 R)
• M18: 17,850,616 km (0.084 R)
• M19: 19,588,495 km (0.117 R)
• M20: 21,536,409 km (0.073 R)
• M21: 23,610,134 km (0.057 R)
• M22: 25,587,070 km (0.095 R)
• M23: 28,512,307 km (0.084 R)
• M24: 34,189,097 km (0.11 R)
• M25: 41,038,137 km (0.085 R)
• M26: 43,242,312 km (0.103 R)
• M27: 43,563,498 km (0.115 R)
• M28: 45,028,660 km (0.089 R)
• M29: 45,524,278 km (0.119 R)
• M30: 46,526,284 km (0.088 R)
• M31: 49,095,777 km (0.087 R)
• M32: 51,758,320 km (0.083 R)
• M33: 52,849,786 km (0.098 R)
• M34: 59,128,409 km (0.067 R)
• M35: 63,372,500 km (0.061 R)
• M36: 71,336,193 km (0.043 R)
• M37: 81,399,343 km (0.118 R)
• M38: 81,643,936 km (0.064 R)
• M39: 81,889,126 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603

Radius: 5

Gravity: 24.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.46 AU - 11.2 AU

Year: 23380 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,923,954 km

• M1: 62,382 km (0.111 R)
• M2: 518,207 km (0.07 R)
• M3: 958,922 km (0.112 R)
• M4: 4,191,433 km (0.059 R)
• M5: 6,856,818 km (0.105 R)
• M6: 7,235,899 km (0.059 R)
• M7: 8,244,937 km (0.087 R)
• M8: 8,893,593 km (0.088 R)
• M9: 10,978,988 km (0.066 R)
• M10: 12,444,598 km (0.049 R)
• M11: 13,152,046 km (0.098 R)
• M12: 13,960,623 km (0.058 R)
• M13: 14,958,590 km (0.073 R)
• M14: 19,333,879 km (0.085 R)
• M15: 20,571,652 km (0.096 R)
• M16: 21,962,763 km (0.029 R)
• M17: 22,889,521 km (0.11 R)
• M18: 23,734,899 km (0.111 R)
• M19: 24,600,921 km (0.105 R)
• M20: 28,396,369 km (0.072 R)
• M21: 29,992,877 km (0.107 R)
• M22: 36,122,051 km (0.087 R)
• M23: 40,233,749 km (0.088 R)
• M24: 40,845,455 km (0.027 R)
• M25: 47,307,933 km (0.062 R)
• M26: 50,249,027 km (0.111 R)
• M27: 50,958,420 km (0.101 R)
• M28: 52,578,864 km (0.118 R)
• M29: 52,760,925 km (0.047 R)
• M30: 54,419,217 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 16,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit