🌌 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: 227.4

Radius: 9.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.85 AU - 0.85 AU

Year: 498 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,166,081 km

• M1: 126,709 km (0.095 R)
• M2: 509,830 km (0.11 R)
• M3: 2,011,044 km (0.064 R)
• M4: 2,778,631 km (0.028 R)
• M5: 3,131,981 km (0.058 R)
• M6: 3,894,182 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 13

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.98 AU - 2.74 AU

Year: 2305 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,166,081 km

• M1: 182,809 km (0.085 R)
• M2: 1,250,489 km (0.092 R)
• M3: 2,099,008 km (0.117 R)
• M4: 2,710,414 km (0.078 R)
• M5: 3,123,304 km (0.117 R)
• M6: 4,955,729 km (0.088 R)
• M7: 6,010,543 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 13.2

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.88 AU - 4.6 AU

Year: 4599 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 158.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,166,081 km

• M1: 185,202 km (0.066 R)
• M2: 942,467 km (0.106 R)
• M3: 1,355,656 km (0.111 R)
• M4: 2,097,512 km (0.065 R)
• M5: 3,662,156 km (0.111 R)
• M6: 5,055,062 km (0.091 R)
• M7: 5,921,832 km (0.114 R)
• M8: 6,412,214 km (0.065 R)
• M9: 7,639,215 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 15

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.02 AU - 4.3 AU

Year: 5395 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,166,081 km

• M1: 188,493 km (0.082 R)
• M2: 707,299 km (0.108 R)
• M3: 1,392,906 km (0.098 R)
• M4: 1,937,442 km (0.057 R)
• M5: 2,883,050 km (0.117 R)
• M6: 3,432,224 km (0.077 R)
• M7: 5,685,617 km (0.119 R)
• M8: 6,462,927 km (0.056 R)
• M9: 7,175,312 km (0.111 R)
• M10: 7,832,346 km (0.106 R)
• M11: 8,681,015 km (0.11 R)
• M12: 9,147,910 km (0.051 R)
• M13: 10,960,438 km (0.114 R)
• M14: 11,646,045 km (0.063 R)
• M15: 13,153,692 km (0.063 R)
• M16: 14,843,101 km (0.09 R)
• M17: 15,740,239 km (0.094 R)
• M18: 16,732,671 km (0.067 R)
• M19: 18,842,600 km (0.114 R)
• M20: 21,475,074 km (0.105 R)
• M21: 22,842,697 km (0.12 R)
• M22: 24,963,097 km (0.086 R)
• M23: 26,151,503 km (0.025 R)
• M24: 28,385,298 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830

Radius: 4.5

Gravity: 40.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.65 AU - 7.43 AU

Year: 10634 Days

Day: 18.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,166,081 km

• M1: 55,950 km (0.119 R)
• M2: 277,953 km (0.069 R)
• M3: 462,557 km (0.086 R)
• M4: 772,972 km (0.029 R)
• M5: 1,045,689 km (0.11 R)
• M6: 1,223,411 km (0.111 R)
• M7: 1,625,082 km (0.056 R)
• M8: 2,336,120 km (0.099 R)
• M9: 2,951,267 km (0.11 R)
• M10: 3,748,324 km (0.044 R)
• M11: 4,024,332 km (0.025 R)
• M12: 4,617,189 km (0.028 R)
• M13: 5,165,315 km (0.119 R)
• M14: 8,760,302 km (0.091 R)
• M15: 9,853,264 km (0.112 R)
• M16: 11,891,535 km (0.114 R)
• M17: 12,127,451 km (0.106 R)
• M18: 15,415,462 km (0.11 R)
• M19: 15,766,718 km (0.118 R)
• M20: 20,830,157 km (0.088 R)
• M21: 23,035,379 km (0.03 R)
• M22: 23,494,346 km (0.092 R)
• M23: 25,979,615 km (0.075 R)
• M24: 33,530,568 km (0.115 R)
• M25: 34,238,614 km (0.092 R)
• M26: 41,604,065 km (0.068 R)
• M27: 43,388,469 km (0.036 R)
• M28: 45,509,916 km (0.088 R)
• M29: 45,942,254 km (0.077 R)
• M30: 46,232,025 km (0.078 R)
• M31: 49,500,888 km (0.047 R)
• M32: 49,805,469 km (0.101 R)
• M33: 51,347,225 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.4

Radius: 3

Gravity: 54.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.82 AU - 8.72 AU

Year: 15121 Days

Day: 24.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,166,081 km

• M1: 38,147 km (0.051 R)
• M2: 144,960 km (0.097 R)
• M3: 394,789 km (0.106 R)
• M4: 680,371 km (0.116 R)
• M5: 1,041,052 km (0.113 R)
• M6: 1,835,715 km (0.102 R)
• M7: 3,233,857 km (0.055 R)
• M8: 3,732,317 km (0.064 R)
• M9: 4,130,846 km (0.09 R)
• M10: 5,181,621 km (0.114 R)
• M11: 7,221,837 km (0.107 R)
• M12: 7,525,970 km (0.091 R)
• M13: 11,166,434 km (0.087 R)
• M14: 15,185,979 km (0.086 R)
• M15: 15,974,210 km (0.066 R)
• M16: 22,544,848 km (0.096 R)
• M17: 25,510,326 km (0.079 R)
• M18: 25,810,420 km (0.099 R)
• M19: 26,112,757 km (0.094 R)
• M20: 27,241,922 km (0.117 R)
• M21: 28,941,653 km (0.102 R)
• M22: 31,278,222 km (0.094 R)
• M23: 32,084,106 km (0.113 R)
• M24: 32,316,880 km (0.116 R)
• M25: 35,695,249 km (0.04 R)
• M26: 37,212,321 km (0.04 R)
• M27: 45,887,352 km (0.045 R)
• M28: 46,777,609 km (0.108 R)
• M29: 47,377,346 km (0.06 R)
• M30: 50,611,054 km (0.091 R)
• M31: 51,243,255 km (0.085 R)
• M32: 54,153,232 km (0.096 R)
• M33: 56,491,298 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.4

Radius: 3

Gravity: 95.71 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.23 AU - 11.01 AU

Year: 17512 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,166,081 km

• M1: 37,250 km (0.068 R)
• M2: 295,905 km (0.086 R)
• M3: 426,354 km (0.085 R)
• M4: 544,536 km (0.083 R)
• M5: 1,686,566 km (0.117 R)
• M6: 2,106,637 km (0.049 R)
• M7: 2,430,517 km (0.09 R)
• M8: 4,095,092 km (0.108 R)
• M9: 4,291,365 km (0.06 R)
• M10: 5,524,350 km (0.094 R)
• M11: 6,052,281 km (0.101 R)
• M12: 6,747,462 km (0.106 R)
• M13: 8,242,543 km (0.07 R)
• M14: 8,768,380 km (0.081 R)
• M15: 10,239,525 km (0.112 R)
• M16: 12,605,117 km (0.065 R)
• M17: 13,160,573 km (0.076 R)
• M18: 14,245,607 km (0.119 R)
• M19: 15,232,953 km (0.104 R)
• M20: 15,783,174 km (0.076 R)
• M21: 16,839,784 km (0.097 R)
• M22: 18,029,386 km (0.085 R)
• M23: 18,644,682 km (0.117 R)
• M24: 21,932,394 km (0.082 R)
• M25: 22,230,992 km (0.116 R)
• M26: 23,764,519 km (0.102 R)
• M27: 28,667,290 km (0.091 R)
• M28: 28,785,921 km (0.108 R)
• M29: 31,227,808 km (0.11 R)
• M30: 31,479,431 km (0.074 R)
• M31: 38,503,201 km (0.092 R)
• M32: 40,707,825 km (0.104 R)
• M33: 41,764,734 km (0.113 R)
• M34: 42,995,026 km (0.08 R)
• M35: 58,348,555 km (0.109 R)
• M36: 74,044,812 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 13,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit