🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 12.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,062,729 km

• M1: 159,771 km (0.084 R)
• M2: 631,004 km (0.044 R)
• M3: 1,241,214 km (0.032 R)
• M4: 1,747,453 km (0.101 R)
• M5: 2,613,176 km (0.117 R)
• M6: 3,052,096 km (0.104 R)
• M7: 3,635,976 km (0.116 R)
• M8: 4,513,966 km (0.036 R)
• M9: 5,658,390 km (0.109 R)
• M10: 6,606,092 km (0.111 R)
• M11: 7,406,591 km (0.086 R)
• M12: 7,889,044 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 10.2

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.75 AU - 2.01 AU

Year: 1779 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,062,729 km

• M1: 126,859 km (0.118 R)
• M2: 733,628 km (0.063 R)
• M3: 1,265,299 km (0.094 R)
• M4: 1,982,621 km (0.117 R)
• M5: 2,393,267 km (0.111 R)
• M6: 2,756,341 km (0.057 R)
• M7: 3,455,711 km (0.112 R)
• M8: 4,329,213 km (0.072 R)
• M9: 4,872,103 km (0.088 R)
• M10: 5,228,446 km (0.057 R)
• M11: 5,554,419 km (0.043 R)
• M12: 6,069,036 km (0.113 R)
• M13: 6,997,440 km (0.115 R)
• M14: 7,423,046 km (0.111 R)
• M15: 8,452,429 km (0.097 R)
• M16: 8,903,018 km (0.08 R)
• M17: 9,234,527 km (0.11 R)
• M18: 9,782,205 km (0.113 R)
• M19: 11,018,033 km (0.089 R)
• M20: 14,063,097 km (0.059 R)
• M21: 14,834,574 km (0.062 R)
• M22: 16,811,360 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 10.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.85 AU - 2.75 AU

Year: 2408 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 142.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,062,729 km

• M1: 134,339 km (0.106 R)
• M2: 496,067 km (0.069 R)
• M3: 858,093 km (0.035 R)
• M4: 1,289,384 km (0.079 R)
• M5: 1,842,447 km (0.089 R)
• M6: 2,591,185 km (0.04 R)
• M7: 4,032,560 km (0.115 R)
• M8: 4,579,939 km (0.034 R)
• M9: 5,749,495 km (0.084 R)
• M10: 6,337,863 km (0.064 R)
• M11: 7,816,489 km (0.069 R)
• M12: 8,346,514 km (0.085 R)
• M13: 10,227,109 km (0.1 R)
• M14: 12,710,583 km (0.105 R)
• M15: 13,052,414 km (0.11 R)
• M16: 14,205,963 km (0.098 R)
• M17: 14,948,866 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.3

Radius: 3.9

Gravity: 18.17 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.53 AU - 6.75 AU

Year: 11810 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,062,729 km

• M1: 77,342 km (0.04 R)
• M2: 222,901 km (0.116 R)
• M3: 419,772 km (0.119 R)
• M4: 629,657 km (0.041 R)
• M5: 759,359 km (0.104 R)
• M6: 1,180,926 km (0.092 R)
• M7: 1,757,625 km (0.09 R)
• M8: 2,521,472 km (0.119 R)
• M9: 3,369,393 km (0.086 R)
• M10: 4,698,271 km (0.079 R)
• M11: 9,107,818 km (0.058 R)
• M12: 9,930,905 km (0.053 R)
• M13: 13,546,536 km (0.09 R)
• M14: 27,073,624 km (0.096 R)
• M15: 29,149,145 km (0.098 R)
• M16: 29,831,162 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 7.9

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.1 AU - 8.42 AU

Year: 14921 Days

Day: 18 Hours

Environment

Temp: -241 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,062,729 km

• M1: 98,286 km (0.099 R)
• M2: 1,031,328 km (0.072 R)
• M3: 1,358,797 km (0.077 R)
• M4: 2,226,914 km (0.11 R)
• M5: 5,217,076 km (0.057 R)
• M6: 6,028,046 km (0.104 R)
• M7: 6,316,172 km (0.093 R)
• M8: 7,375,025 km (0.069 R)
• M9: 7,801,080 km (0.118 R)
• M10: 8,143,659 km (0.113 R)
• M11: 9,340,891 km (0.082 R)
• M12: 10,182,379 km (0.052 R)
• M13: 10,770,747 km (0.086 R)
• M14: 13,632,256 km (0.104 R)
• M15: 19,435,007 km (0.102 R)
• M16: 20,989,778 km (0.038 R)
• M17: 21,749,436 km (0.095 R)
• M18: 22,135,997 km (0.111 R)
• M19: 25,077,540 km (0.075 R)
• M20: 26,258,316 km (0.067 R)
• M21: 26,917,743 km (0.107 R)
• M22: 28,962,447 km (0.027 R)
• M23: 32,095,625 km (0.093 R)
• M24: 34,392,401 km (0.112 R)
• M25: 39,740,525 km (0.039 R)
• M26: 41,639,520 km (0.104 R)
• M27: 42,686,705 km (0.099 R)
• M28: 43,598,205 km (0.111 R)
• M29: 44,367,587 km (0.066 R)
• M30: 46,410,495 km (0.109 R)
• M31: 48,515,337 km (0.116 R)
• M32: 49,009,908 km (0.117 R)
• M33: 49,841,672 km (0.053 R)
• M34: 50,682,861 km (0.08 R)
• M35: 51,533,474 km (0.096 R)
• M36: 52,740,281 km (0.109 R)
• M37: 54,319,436 km (0.068 R)
• M38: 55,031,372 km (0.044 R)
• M39: 58,497,854 km (0.119 R)
• M40: 59,245,843 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494

Radius: 3.7

Gravity: 36.08 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.87 AU - 10.95 AU

Year: 19925 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,062,729 km

• M1: 46,375 km (0.045 R)
• M2: 640,578 km (0.09 R)
• M3: 1,046,288 km (0.1 R)
• M4: 1,620,594 km (0.09 R)
• M5: 2,402,542 km (0.077 R)
• M6: 2,580,264 km (0.106 R)
• M7: 2,937,354 km (0.033 R)
• M8: 5,341,392 km (0.083 R)
• M9: 8,857,840 km (0.097 R)
• M10: 9,445,161 km (0.08 R)
• M11: 10,287,247 km (0.093 R)
• M12: 12,510,122 km (0.119 R)
• M13: 13,944,317 km (0.069 R)
• M14: 14,157,793 km (0.079 R)
• M15: 16,022,082 km (0.061 R)
• M16: 16,731,475 km (0.104 R)
• M17: 20,502,987 km (0.11 R)
• M18: 22,099,944 km (0.111 R)
• M19: 22,978,083 km (0.066 R)
• M20: 23,576,325 km (0.057 R)
• M21: 28,170,476 km (0.088 R)
• M22: 29,551,563 km (0.076 R)
• M23: 30,258,713 km (0.071 R)
• M24: 34,480,215 km (0.035 R)
• M25: 35,395,604 km (0.071 R)
• M26: 35,925,779 km (0.114 R)
• M27: 45,925,050 km (0.116 R)
• M28: 46,082,128 km (0.106 R)
• M29: 48,482,276 km (0.111 R)
• M30: 53,703,691 km (0.048 R)
• M31: 55,109,462 km (0.08 R)
• M32: 56,179,835 km (0.104 R)
• M33: 59,287,431 km (0.071 R)
• M34: 60,034,972 km (0.083 R)
• M35: 63,282,143 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 12,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit