🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 9.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,452,456 km

• M1: 116,986 km (0.096 R)
• M2: 478,115 km (0.101 R)
• M3: 845,527 km (0.072 R)
• M4: 1,287,290 km (0.093 R)
• M5: 1,581,399 km (0.116 R)
• M6: 1,979,030 km (0.045 R)
• M7: 2,408,975 km (0.117 R)
• M8: 2,797,031 km (0.063 R)
• M9: 3,185,836 km (0.067 R)
• M10: 3,756,552 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.8

Radius: 10.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,452,456 km

• M1: 127,308 km (0.087 R)
• M2: 445,203 km (0.045 R)
• M3: 861,983 km (0.118 R)
• M4: 1,189,602 km (0.064 R)
• M5: 1,590,973 km (0.059 R)
• M6: 1,920,986 km (0.056 R)
• M7: 2,275,234 km (0.098 R)
• M8: 3,238,495 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 12.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.39 AU - 1.55 AU

Year: 1189 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,452,456 km

• M1: 161,117 km (0.078 R)
• M2: 571,015 km (0.052 R)
• M3: 1,021,454 km (0.084 R)
• M4: 1,697,487 km (0.102 R)
• M5: 2,127,581 km (0.115 R)
• M6: 2,668,676 km (0.043 R)
• M7: 3,112,533 km (0.05 R)
• M8: 3,814,147 km (0.085 R)
• M9: 4,982,507 km (0.03 R)
• M10: 7,380,561 km (0.1 R)
• M11: 8,318,539 km (0.115 R)
• M12: 9,006,689 km (0.099 R)
• M13: 9,516,818 km (0.036 R)
• M14: 10,562,208 km (0.108 R)
• M15: 11,369,438 km (0.089 R)
• M16: 12,001,489 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 14.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.7 AU - 2.4 AU

Year: 1957 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,452,456 km

• M1: 180,565 km (0.106 R)
• M2: 985,252 km (0.114 R)
• M3: 3,650,188 km (0.102 R)
• M4: 4,164,655 km (0.115 R)
• M5: 4,920,274 km (0.057 R)
• M6: 5,454,787 km (0.118 R)
• M7: 6,773,044 km (0.118 R)
• M8: 7,249,214 km (0.095 R)
• M9: 8,193,176 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 9

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.91 AU - 2.77 AU

Year: 2387 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,452,456 km

• M1: 112,498 km (0.072 R)
• M2: 398,529 km (0.097 R)
• M3: 766,390 km (0.069 R)
• M4: 1,115,252 km (0.108 R)
• M5: 1,399,638 km (0.046 R)
• M6: 1,824,795 km (0.055 R)
• M7: 2,519,527 km (0.098 R)
• M8: 3,274,099 km (0.059 R)
• M9: 3,948,337 km (0.109 R)
• M10: 4,447,246 km (0.073 R)
• M11: 5,445,961 km (0.068 R)
• M12: 6,038,069 km (0.059 R)
• M13: 6,446,920 km (0.112 R)
• M14: 7,020,778 km (0.105 R)
• M15: 7,411,827 km (0.053 R)
• M16: 8,041,634 km (0.093 R)
• M17: 8,948,047 km (0.044 R)
• M18: 9,336,254 km (0.06 R)
• M19: 10,803,958 km (0.06 R)
• M20: 11,613,731 km (0.098 R)
• M21: 13,399,332 km (0.052 R)
• M22: 15,511,354 km (0.094 R)
• M23: 16,593,695 km (0.107 R)
• M24: 17,072,707 km (0.118 R)
• M25: 17,725,702 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 11

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.16 AU - 5 AU

Year: 5496 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,452,456 km

• M1: 136,882 km (0.096 R)
• M2: 501,602 km (0.091 R)
• M3: 1,026,690 km (0.114 R)
• M4: 1,399,787 km (0.083 R)
• M5: 2,014,186 km (0.078 R)
• M6: 2,578,618 km (0.099 R)
• M7: 2,999,437 km (0.064 R)
• M8: 3,425,342 km (0.11 R)
• M9: 4,163,309 km (0.085 R)
• M10: 4,570,365 km (0.113 R)
• M11: 5,004,049 km (0.097 R)
• M12: 5,924,973 km (0.109 R)
• M13: 6,472,950 km (0.078 R)
• M14: 7,530,607 km (0.106 R)
• M15: 9,944,369 km (0.082 R)
• M16: 10,675,454 km (0.046 R)
• M17: 11,031,646 km (0.056 R)
• M18: 11,767,967 km (0.117 R)
• M19: 17,437,427 km (0.093 R)
• M20: 18,627,927 km (0.085 R)
• M21: 19,145,236 km (0.087 R)
• M22: 20,276,047 km (0.111 R)
• M23: 23,111,973 km (0.112 R)
• M24: 24,702,049 km (0.076 R)
• M25: 25,169,393 km (0.086 R)
• M26: 26,041,698 km (0.118 R)
• M27: 27,098,308 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.8

Radius: 7.7

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.42 AU - 8.48 AU

Year: 13560 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 31,452,456 km

• M1: 99,333 km (0.075 R)
• M2: 548,127 km (0.099 R)
• M3: 798,105 km (0.081 R)
• M4: 1,379,592 km (0.073 R)
• M5: 2,642,646 km (0.092 R)
• M6: 3,573,893 km (0.05 R)
• M7: 3,889,096 km (0.069 R)
• M8: 4,253,965 km (0.066 R)
• M9: 4,608,362 km (0.116 R)
• M10: 5,303,245 km (0.078 R)
• M11: 6,899,903 km (0.105 R)
• M12: 7,573,841 km (0.12 R)
• M13: 8,241,795 km (0.086 R)
• M14: 9,915,048 km (0.028 R)
• M15: 14,919,695 km (0.071 R)
• M16: 15,814,888 km (0.064 R)
• M17: 16,198,308 km (0.114 R)
• M18: 16,903,961 km (0.036 R)
• M19: 20,651,986 km (0.105 R)
• M20: 21,017,902 km (0.027 R)
• M21: 21,575,005 km (0.063 R)
• M22: 23,503,172 km (0.082 R)
• M23: 24,713,718 km (0.042 R)
• M24: 26,071,468 km (0.068 R)
• M25: 27,809,795 km (0.115 R)
• M26: 28,594,137 km (0.111 R)
• M27: 30,089,667 km (0.102 R)
• M28: 33,111,095 km (0.117 R)
• M29: 33,486,735 km (0.111 R)
• M30: 35,017,870 km (0.066 R)
• M31: 36,996,601 km (0.052 R)
• M32: 37,672,334 km (0.051 R)
• M33: 43,080,297 km (0.052 R)
• M34: 44,129,876 km (0.12 R)
• M35: 45,042,872 km (0.099 R)
• M36: 46,436,077 km (0.088 R)
• M37: 50,291,513 km (0.083 R)
• M38: 56,644,785 km (0.039 R)
• M39: 59,365,970 km (0.12 R)
• M40: 64,286,992 km (0.117 R)
• M41: 65,263,417 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.3

Radius: 8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.79 AU - 11.15 AU

Year: 17915 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,452,456 km

• M1: 100,081 km (0.089 R)
• M2: 447,148 km (0.056 R)
• M3: 896,241 km (0.119 R)
• M4: 1,386,922 km (0.097 R)
• M5: 1,988,006 km (0.054 R)
• M6: 2,489,309 km (0.075 R)
• M7: 4,636,337 km (0.114 R)
• M8: 11,226,572 km (0.089 R)
• M9: 12,346,462 km (0.108 R)
• M10: 13,221,011 km (0.07 R)
• M11: 13,592,762 km (0.098 R)
• M12: 20,745,485 km (0.094 R)
• M13: 21,465,649 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 14,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit