🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 13.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.69 AU - 1.03 AU

Year: 532 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,732,529 km

• M1: 167,101 km (0.038 R)
• M2: 586,274 km (0.094 R)
• M3: 1,005,447 km (0.119 R)
• M4: 1,470,248 km (0.083 R)
• M5: 2,218,088 km (0.101 R)
• M6: 2,649,528 km (0.05 R)
• M7: 3,268,713 km (0.104 R)
• M8: 3,809,510 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.8

Radius: 10.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.18 AU - 1.68 AU

Year: 1140 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,732,529 km

• M1: 134,638 km (0.051 R)
• M2: 472,430 km (0.117 R)
• M3: 900,579 km (0.071 R)
• M4: 1,286,242 km (0.04 R)
• M5: 1,983,219 km (0.085 R)
• M6: 2,475,546 km (0.085 R)
• M7: 3,048,057 km (0.062 R)
• M8: 3,541,430 km (0.102 R)
• M9: 4,120,225 km (0.106 R)
• M10: 4,511,273 km (0.074 R)
• M11: 5,001,805 km (0.113 R)
• M12: 5,856,607 km (0.102 R)
• M13: 7,804,072 km (0.064 R)
• M14: 9,263,998 km (0.07 R)
• M15: 10,333,623 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 8.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.29 AU - 2.35 AU

Year: 2356 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,732,529 km

• M1: 108,758 km (0.105 R)
• M2: 385,514 km (0.059 R)
• M3: 724,203 km (0.086 R)
• M4: 1,012,329 km (0.104 R)
• M5: 1,324,540 km (0.117 R)
• M6: 1,620,594 km (0.119 R)
• M7: 1,920,986 km (0.081 R)
• M8: 2,550,195 km (0.108 R)
• M9: 3,672,329 km (0.118 R)
• M10: 4,750,630 km (0.117 R)
• M11: 5,537,066 km (0.047 R)
• M12: 5,875,008 km (0.106 R)
• M13: 7,569,353 km (0.108 R)
• M14: 8,039,390 km (0.091 R)
• M15: 8,556,549 km (0.109 R)
• M16: 9,182,766 km (0.051 R)
• M17: 10,054,473 km (0.107 R)
• M18: 10,336,016 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 13.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.72 AU - 4.12 AU

Year: 4218 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,732,529 km

• M1: 171,738 km (0.083 R)
• M2: 729,589 km (0.091 R)
• M3: 1,615,358 km (0.056 R)
• M4: 2,328,491 km (0.101 R)
• M5: 3,905,552 km (0.114 R)
• M6: 4,388,902 km (0.051 R)
• M7: 6,108,679 km (0.09 R)
• M8: 10,124,036 km (0.055 R)
• M9: 11,042,716 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.3

Radius: 5.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.48 AU - 8.92 AU

Year: 15659 Days

Day: 15.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,732,529 km

• M1: 70,909 km (0.118 R)
• M2: 423,063 km (0.108 R)
• M3: 961,914 km (0.114 R)
• M4: 1,423,424 km (0.117 R)
• M5: 2,269,699 km (0.104 R)
• M6: 2,591,334 km (0.043 R)
• M7: 2,791,047 km (0.105 R)
• M8: 8,274,408 km (0.114 R)
• M9: 10,879,056 km (0.079 R)
• M10: 16,994,468 km (0.092 R)
• M11: 17,502,951 km (0.106 R)
• M12: 20,840,928 km (0.049 R)
• M13: 30,104,776 km (0.102 R)
• M14: 30,475,181 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.6

Radius: 7.5

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.54 AU - 8.96 AU

Year: 15802 Days

Day: 24.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,732,529 km

• M1: 96,341 km (0.111 R)
• M2: 451,337 km (0.07 R)
• M3: 730,337 km (0.098 R)
• M4: 1,151,904 km (0.1 R)
• M5: 1,964,070 km (0.107 R)
• M6: 7,186,233 km (0.079 R)
• M7: 9,093,307 km (0.1 R)
• M8: 10,698,342 km (0.085 R)
• M9: 15,754,750 km (0.069 R)
• M10: 22,206,906 km (0.081 R)
• M11: 24,032,000 km (0.105 R)
• M12: 24,874,386 km (0.051 R)
• M13: 26,953,497 km (0.083 R)
• M14: 27,748,011 km (0.11 R)
• M15: 40,714,556 km (0.077 R)
• M16: 42,061,835 km (0.081 R)
• M17: 53,039,177 km (0.094 R)
• M18: 55,369,463 km (0.088 R)
• M19: 58,141,960 km (0.113 R)
• M20: 58,707,440 km (0.07 R)
• M21: 60,233,039 km (0.11 R)
• M22: 71,014,259 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.6

Radius: 5

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.71 AU - 13.01 AU

Year: 23866 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,732,529 km

• M1: 63,130 km (0.119 R)
• M2: 253,269 km (0.063 R)
• M3: 478,564 km (0.095 R)
• M4: 928,554 km (0.089 R)
• M5: 1,101,340 km (0.098 R)
• M6: 1,528,292 km (0.077 R)
• M7: 1,893,311 km (0.063 R)
• M8: 2,213,600 km (0.064 R)
• M9: 3,059,875 km (0.08 R)
• M10: 3,262,430 km (0.103 R)
• M11: 3,779,740 km (0.059 R)
• M12: 4,043,032 km (0.093 R)
• M13: 5,079,745 km (0.101 R)
• M14: 5,659,587 km (0.103 R)
• M15: 6,949,719 km (0.11 R)
• M16: 8,925,009 km (0.03 R)
• M17: 10,432,208 km (0.104 R)
• M18: 12,163,803 km (0.099 R)
• M19: 12,608,857 km (0.03 R)
• M20: 13,064,681 km (0.036 R)
• M21: 13,871,463 km (0.096 R)
• M22: 14,926,128 km (0.067 R)
• M23: 16,108,848 km (0.095 R)
• M24: 16,490,772 km (0.09 R)
• M25: 17,352,605 km (0.086 R)
• M26: 21,282,990 km (0.056 R)
• M27: 27,464,523 km (0.093 R)
• M28: 30,378,092 km (0.09 R)
• M29: 33,615,090 km (0.071 R)
• M30: 35,124,682 km (0.116 R)
• M31: 35,380,644 km (0.084 R)
• M32: 40,623,302 km (0.087 R)
• M33: 50,309,016 km (0.118 R)
• M34: 54,647,055 km (0.077 R)
• M35: 55,335,804 km (0.108 R)
• M36: 55,508,888 km (0.099 R)
• M37: 58,327,761 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 14,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit