🌌 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: 862.1

Radius: 9.1

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.77 AU - 0.87 AU

Year: 479 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,113,411 km

• M1: 113,246 km (0.079 R)
• M2: 398,678 km (0.075 R)
• M3: 693,237 km (0.082 R)
• M4: 1,218,475 km (0.034 R)
• M5: 1,593,217 km (0.117 R)
• M6: 2,397,306 km (0.068 R)
• M7: 2,726,122 km (0.046 R)
• M8: 3,488,024 km (0.079 R)
• M9: 4,108,406 km (0.102 R)
• M10: 4,612,850 km (0.104 R)
• M11: 6,111,522 km (0.106 R)
• M12: 6,493,146 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 14.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.2 AU - 1.42 AU

Year: 968 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,113,411 km

• M1: 176,525 km (0.108 R)
• M2: 630,555 km (0.114 R)
• M3: 1,176,288 km (0.113 R)
• M4: 1,849,030 km (0.057 R)
• M5: 2,875,121 km (0.079 R)
• M6: 4,040,938 km (0.081 R)
• M7: 4,883,473 km (0.087 R)
• M8: 6,073,524 km (0.044 R)
• M9: 6,559,119 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 14.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.42 AU - 1.54 AU

Year: 1163 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,113,411 km

• M1: 186,399 km (0.118 R)
• M2: 702,811 km (0.071 R)
• M3: 1,176,288 km (0.1 R)
• M4: 1,758,972 km (0.055 R)
• M5: 2,479,136 km (0.095 R)
• M6: 3,124,950 km (0.076 R)
• M7: 5,054,014 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 11.5

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.3 AU - 5.22 AU

Year: 5677 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,113,411 km

• M1: 143,016 km (0.073 R)
• M2: 526,285 km (0.046 R)
• M3: 1,063,940 km (0.066 R)
• M4: 1,533,677 km (0.118 R)
• M5: 2,546,156 km (0.077 R)
• M6: 3,063,615 km (0.1 R)
• M7: 4,032,710 km (0.116 R)
• M8: 4,992,380 km (0.066 R)
• M9: 5,465,259 km (0.106 R)
• M10: 6,466,817 km (0.079 R)
• M11: 7,248,914 km (0.056 R)
• M12: 7,701,598 km (0.098 R)
• M13: 8,415,927 km (0.114 R)
• M14: 9,480,915 km (0.114 R)
• M15: 11,119,759 km (0.032 R)
• M16: 11,928,785 km (0.107 R)
• M17: 16,189,631 km (0.108 R)
• M18: 19,224,822 km (0.05 R)
• M19: 20,538,591 km (0.12 R)
• M20: 23,507,510 km (0.086 R)
• M21: 25,523,641 km (0.119 R)
• M22: 27,380,001 km (0.114 R)
• M23: 30,965,263 km (0.111 R)
• M24: 32,159,503 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.3

Radius: 5.4

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.01 AU - 7.81 AU

Year: 10479 Days

Day: 19.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,113,411 km

• M1: 68,516 km (0.115 R)
• M2: 271,071 km (0.063 R)
• M3: 531,072 km (0.092 R)
• M4: 710,590 km (0.107 R)
• M5: 950,844 km (0.092 R)
• M6: 1,151,604 km (0.098 R)
• M7: 1,698,534 km (0.093 R)
• M8: 2,461,035 km (0.065 R)
• M9: 3,218,897 km (0.047 R)
• M10: 6,376,759 km (0.1 R)
• M11: 6,561,213 km (0.117 R)
• M12: 9,108,865 km (0.118 R)
• M13: 10,729,907 km (0.07 R)
• M14: 11,472,362 km (0.115 R)
• M15: 12,419,166 km (0.069 R)
• M16: 13,598,596 km (0.111 R)
• M17: 15,438,500 km (0.098 R)
• M18: 15,704,784 km (0.117 R)
• M19: 15,906,293 km (0.117 R)
• M20: 16,660,416 km (0.099 R)
• M21: 17,152,593 km (0.057 R)
• M22: 17,726,899 km (0.074 R)
• M23: 19,372,027 km (0.108 R)
• M24: 20,630,743 km (0.105 R)
• M25: 21,692,738 km (0.116 R)
• M26: 22,962,824 km (0.074 R)
• M27: 24,371,438 km (0.114 R)
• M28: 25,280,544 km (0.111 R)
• M29: 25,464,998 km (0.105 R)
• M30: 29,244,589 km (0.095 R)
• M31: 29,857,341 km (0.109 R)
• M32: 41,626,954 km (0.081 R)
• M33: 42,142,618 km (0.077 R)
• M34: 44,516,287 km (0.103 R)

Asteroid Belt

Center: 7.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.1

Radius: 3.7

Gravity: 55.38 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.96 AU - 8.58 AU

Year: 15356 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,113,411 km

• M1: 46,675 km (0.047 R)
• M2: 259,852 km (0.088 R)
• M3: 393,442 km (0.06 R)
• M4: 648,058 km (0.108 R)
• M5: 817,403 km (0.114 R)
• M6: 1,101,340 km (0.111 R)
• M7: 1,259,464 km (0.107 R)
• M8: 1,478,177 km (0.106 R)
• M9: 1,898,696 km (0.065 R)
• M10: 3,468,277 km (0.104 R)
• M11: 3,898,072 km (0.085 R)
• M12: 4,018,348 km (0.114 R)
• M13: 5,072,714 km (0.105 R)
• M14: 5,740,519 km (0.1 R)
• M15: 6,676,553 km (0.057 R)
• M16: 7,203,287 km (0.119 R)
• M17: 10,144,381 km (0.047 R)
• M18: 11,442,143 km (0.09 R)
• M19: 12,258,798 km (0.057 R)
• M20: 16,069,055 km (0.115 R)
• M21: 22,762,662 km (0.109 R)
• M22: 23,549,398 km (0.068 R)
• M23: 25,911,698 km (0.117 R)
• M24: 28,994,910 km (0.118 R)
• M25: 29,339,134 km (0.029 R)
• M26: 38,026,582 km (0.083 R)
• M27: 38,163,763 km (0.099 R)
• M28: 41,119,817 km (0.077 R)
• M29: 43,772,187 km (0.12 R)
• M30: 44,833,584 km (0.026 R)
• M31: 53,261,779 km (0.108 R)
• M32: 54,820,140 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.4

Radius: 6.9

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.2 AU - 9.82 AU

Year: 16029 Days

Day: 22.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,113,411 km

• M1: 86,468 km (0.111 R)
• M2: 308,321 km (0.113 R)
• M3: 734,376 km (0.1 R)
• M4: 1,374,356 km (0.095 R)
• M5: 2,838,171 km (0.065 R)
• M6: 3,749,222 km (0.103 R)
• M7: 5,163,670 km (0.084 R)
• M8: 7,449,525 km (0.115 R)
• M9: 8,786,781 km (0.117 R)
• M10: 10,046,245 km (0.066 R)
• M11: 10,929,920 km (0.052 R)
• M12: 16,059,032 km (0.095 R)
• M13: 16,937,321 km (0.114 R)
• M14: 18,357,155 km (0.111 R)
• M15: 19,945,136 km (0.096 R)
• M16: 21,911,002 km (0.051 R)
• M17: 22,397,494 km (0.056 R)
• M18: 26,332,516 km (0.068 R)
• M19: 27,439,840 km (0.11 R)
• M20: 31,683,483 km (0.086 R)
• M21: 35,671,762 km (0.069 R)
• M22: 36,889,339 km (0.077 R)
• M23: 41,295,744 km (0.046 R)
• M24: 69,694,058 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit