🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 14.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.67 AU - 0.93 AU

Year: 477 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,379,327 km

• M1: 179,069 km (0.076 R)
• M2: 849,118 km (0.04 R)
• M3: 1,408,314 km (0.086 R)
• M4: 2,466,869 km (0.097 R)
• M5: 3,041,774 km (0.078 R)
• M6: 4,360,329 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 14.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.55 AU - 2.57 AU

Year: 2731 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,379,327 km

• M1: 184,155 km (0.092 R)
• M2: 697,425 km (0.035 R)
• M3: 1,167,611 km (0.109 R)
• M4: 2,087,489 km (0.11 R)
• M5: 2,838,769 km (0.085 R)
• M6: 3,555,044 km (0.094 R)
• M7: 4,330,260 km (0.104 R)
• M8: 5,082,438 km (0.115 R)
• M9: 9,094,503 km (0.095 R)
• M10: 9,734,034 km (0.112 R)
• M11: 11,873,583 km (0.095 R)
• M12: 12,679,616 km (0.055 R)
• M13: 13,564,787 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 13.6

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.21 AU - 3.29 AU

Year: 3907 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,379,327 km

• M1: 169,195 km (0.117 R)
• M2: 647,759 km (0.032 R)
• M3: 1,264,252 km (0.089 R)
• M4: 1,803,851 km (0.088 R)
• M5: 2,277,628 km (0.118 R)
• M6: 3,263,178 km (0.105 R)
• M7: 4,205,047 km (0.111 R)
• M8: 5,293,521 km (0.102 R)
• M9: 6,983,079 km (0.114 R)
• M10: 7,844,015 km (0.058 R)
• M11: 8,620,727 km (0.054 R)
• M12: 9,488,993 km (0.076 R)
• M13: 10,765,960 km (0.047 R)
• M14: 11,307,654 km (0.067 R)
• M15: 15,797,386 km (0.093 R)
• M16: 16,379,620 km (0.065 R)
• M17: 18,213,242 km (0.113 R)
• M18: 20,247,922 km (0.032 R)
• M19: 21,924,166 km (0.116 R)
• M20: 22,576,114 km (0.099 R)
• M21: 23,691,216 km (0.069 R)
• M22: 25,234,917 km (0.099 R)
• M23: 25,951,042 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.2

Radius: 7.4

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.08 AU - 7.26 AU

Year: 11487 Days

Day: 17.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,379,327 km

• M1: 92,003 km (0.106 R)
• M2: 388,506 km (0.111 R)
• M3: 677,080 km (0.106 R)
• M4: 937,530 km (0.118 R)
• M5: 1,492,837 km (0.119 R)
• M6: 1,731,595 km (0.071 R)
• M7: 2,463,877 km (0.108 R)
• M8: 2,934,213 km (0.046 R)
• M9: 3,488,323 km (0.049 R)
• M10: 4,372,746 km (0.12 R)
• M11: 5,128,514 km (0.116 R)
• M12: 6,655,908 km (0.112 R)
• M13: 7,480,642 km (0.027 R)
• M14: 8,279,494 km (0.062 R)
• M15: 8,795,008 km (0.117 R)
• M16: 11,468,622 km (0.055 R)
• M17: 16,535,651 km (0.066 R)
• M18: 19,882,754 km (0.106 R)
• M19: 22,829,533 km (0.096 R)
• M20: 23,655,612 km (0.086 R)
• M21: 24,217,352 km (0.082 R)
• M22: 29,464,497 km (0.116 R)
• M23: 35,788,299 km (0.081 R)
• M24: 37,153,080 km (0.084 R)
• M25: 43,796,273 km (0.056 R)
• M26: 44,077,217 km (0.103 R)
• M27: 48,588,940 km (0.095 R)
• M28: 50,415,081 km (0.025 R)
• M29: 53,399,110 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.2

Radius: 3.2

Gravity: 84.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.35 AU - 10.31 AU

Year: 17497 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,379,327 km

• M1: 44,281 km (0.103 R)
• M2: 157,078 km (0.074 R)
• M3: 402,269 km (0.104 R)
• M4: 649,704 km (0.086 R)
• M5: 828,623 km (0.109 R)
• M6: 1,078,152 km (0.082 R)
• M7: 1,636,152 km (0.073 R)
• M8: 1,909,766 km (0.071 R)
• M9: 2,170,815 km (0.109 R)
• M10: 2,455,051 km (0.088 R)
• M11: 3,070,646 km (0.045 R)
• M12: 3,632,386 km (0.119 R)
• M13: 5,486,053 km (0.09 R)
• M14: 6,307,794 km (0.068 R)
• M15: 6,525,459 km (0.113 R)
• M16: 6,748,061 km (0.101 R)
• M17: 6,884,045 km (0.032 R)
• M18: 7,068,200 km (0.097 R)
• M19: 9,039,601 km (0.042 R)
• M20: 10,661,691 km (0.1 R)
• M21: 11,412,672 km (0.1 R)
• M22: 12,879,928 km (0.084 R)
• M23: 15,309,248 km (0.096 R)
• M24: 16,425,996 km (0.08 R)
• M25: 17,596,001 km (0.117 R)
• M26: 17,940,225 km (0.077 R)
• M27: 19,821,568 km (0.05 R)
• M28: 20,288,014 km (0.072 R)
• M29: 24,499,643 km (0.089 R)
• M30: 29,138,374 km (0.091 R)
• M31: 30,847,231 km (0.112 R)
• M32: 40,252,000 km (0.111 R)
• M33: 53,886,499 km (0.057 R)
• M34: 55,711,593 km (0.082 R)
• M35: 58,525,978 km (0.108 R)
• M36: 63,626,069 km (0.061 R)
• M37: 72,257,118 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.7

Radius: 5.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.26 AU - 12.2 AU

Year: 23438 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,379,327 km

• M1: 65,973 km (0.107 R)
• M2: 262,993 km (0.117 R)
• M3: 1,218,175 km (0.063 R)
• M4: 1,728,155 km (0.102 R)
• M5: 2,221,977 km (0.049 R)
• M6: 3,803,526 km (0.102 R)
• M7: 4,109,753 km (0.076 R)
• M8: 4,771,574 km (0.057 R)
• M9: 6,262,017 km (0.114 R)
• M10: 6,909,926 km (0.093 R)
• M11: 7,988,676 km (0.103 R)
• M12: 8,749,979 km (0.104 R)
• M13: 9,393,101 km (0.099 R)
• M14: 10,474,843 km (0.113 R)
• M15: 11,015,190 km (0.026 R)
• M16: 12,021,386 km (0.099 R)
• M17: 13,784,845 km (0.038 R)
• M18: 14,506,805 km (0.087 R)
• M19: 21,883,326 km (0.089 R)
• M20: 24,703,844 km (0.11 R)
• M21: 26,860,746 km (0.111 R)
• M22: 27,531,543 km (0.102 R)
• M23: 28,099,118 km (0.118 R)
• M24: 28,443,193 km (0.089 R)
• M25: 33,819,740 km (0.076 R)
• M26: 39,835,819 km (0.087 R)
• M27: 44,322,708 km (0.066 R)
• M28: 47,170,453 km (0.1 R)
• M29: 56,988,710 km (0.078 R)
• M30: 60,541,510 km (0.088 R)
• M31: 64,636,902 km (0.082 R)
• M32: 66,041,925 km (0.06 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit