🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 14.4

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.08 AU - 1.56 AU

Year: 964 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,080,611 km

• M1: 179,667 km (0.101 R)
• M2: 662,270 km (0.106 R)
• M3: 1,212,341 km (0.112 R)
• M4: 1,706,164 km (0.095 R)
• M5: 2,236,339 km (0.069 R)
• M6: 2,806,306 km (0.075 R)
• M7: 3,652,133 km (0.097 R)
• M8: 4,985,648 km (0.114 R)
• M9: 6,331,131 km (0.078 R)
• M10: 6,837,071 km (0.099 R)
• M11: 7,670,332 km (0.07 R)
• M12: 8,545,030 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 14.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.14 AU - 1.58 AU

Year: 1008 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,080,611 km

• M1: 177,872 km (0.095 R)
• M2: 1,029,832 km (0.076 R)
• M3: 1,580,053 km (0.105 R)
• M4: 2,453,854 km (0.106 R)
• M5: 2,918,654 km (0.077 R)
• M6: 3,536,194 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 8

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.27 AU - 1.63 AU

Year: 1110 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,080,611 km

• M1: 99,483 km (0.116 R)
• M2: 380,427 km (0.102 R)
• M3: 687,253 km (0.087 R)
• M4: 1,218,475 km (0.109 R)
• M5: 1,708,707 km (0.097 R)
• M6: 2,051,884 km (0.032 R)
• M7: 2,851,335 km (0.086 R)
• M8: 3,221,141 km (0.047 R)
• M9: 3,500,291 km (0.115 R)
• M10: 4,580,388 km (0.092 R)
• M11: 5,050,125 km (0.1 R)
• M12: 5,718,827 km (0.102 R)
• M13: 8,241,646 km (0.052 R)
• M14: 8,654,237 km (0.071 R)
• M15: 10,894,166 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 11

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.52 AU - 1.86 AU

Year: 1397 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,080,611 km

• M1: 136,882 km (0.106 R)
• M2: 495,618 km (0.092 R)
• M3: 1,107,323 km (0.087 R)
• M4: 1,644,380 km (0.05 R)
• M5: 2,159,445 km (0.082 R)
• M6: 2,725,524 km (0.09 R)
• M7: 3,516,747 km (0.063 R)
• M8: 4,173,781 km (0.083 R)
• M9: 4,531,918 km (0.107 R)
• M10: 5,778,218 km (0.026 R)
• M11: 6,152,512 km (0.11 R)
• M12: 7,872,139 km (0.112 R)
• M13: 8,873,547 km (0.045 R)
• M14: 10,326,891 km (0.075 R)
• M15: 11,092,533 km (0.092 R)
• M16: 11,489,416 km (0.06 R)
• M17: 13,013,070 km (0.115 R)
• M18: 13,414,142 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 10

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.72 AU - 2.64 AU

Year: 2047 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,080,611 km

• M1: 125,213 km (0.045 R)
• M2: 776,862 km (0.067 R)
• M3: 1,566,888 km (0.113 R)
• M4: 2,203,128 km (0.074 R)
• M5: 4,346,865 km (0.11 R)
• M6: 4,693,184 km (0.068 R)
• M7: 5,190,149 km (0.118 R)
• M8: 5,701,624 km (0.083 R)
• M9: 6,757,037 km (0.086 R)
• M10: 7,736,005 km (0.098 R)
• M11: 8,142,911 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 13.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.37 AU - 4.93 AU

Year: 5375 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,080,611 km

• M1: 162,912 km (0.114 R)
• M2: 646,861 km (0.072 R)
• M3: 1,063,342 km (0.089 R)
• M4: 1,564,345 km (0.058 R)
• M5: 2,052,782 km (0.109 R)
• M6: 3,098,770 km (0.081 R)
• M7: 3,565,665 km (0.107 R)
• M8: 4,766,487 km (0.115 R)
• M9: 6,433,456 km (0.105 R)
• M10: 8,350,404 km (0.056 R)
• M11: 9,301,397 km (0.092 R)
• M12: 10,579,711 km (0.103 R)
• M13: 11,328,748 km (0.093 R)
• M14: 12,018,693 km (0.095 R)
• M15: 12,590,755 km (0.105 R)
• M16: 13,130,953 km (0.07 R)
• M17: 14,629,924 km (0.108 R)
• M18: 16,880,773 km (0.045 R)
• M19: 17,297,104 km (0.119 R)
• M20: 17,842,688 km (0.073 R)
• M21: 20,474,563 km (0.08 R)
• M22: 22,200,773 km (0.095 R)
• M23: 26,897,996 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.3 AU - 5.38 AU

Year: 6770 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,080,611 km

• M1: 162,463 km (0.08 R)
• M2: 551,418 km (0.034 R)
• M3: 935,735 km (0.091 R)
• M4: 1,343,688 km (0.045 R)
• M5: 1,759,421 km (0.057 R)
• M6: 2,415,108 km (0.101 R)
• M7: 3,060,473 km (0.05 R)
• M8: 3,842,272 km (0.048 R)
• M9: 4,293,758 km (0.053 R)
• M10: 4,922,518 km (0.096 R)
• M11: 5,304,441 km (0.094 R)
• M12: 7,295,140 km (0.101 R)
• M13: 13,244,947 km (0.114 R)
• M14: 14,104,835 km (0.034 R)
• M15: 15,247,165 km (0.108 R)
• M16: 15,999,791 km (0.057 R)
• M17: 16,711,279 km (0.11 R)
• M18: 18,476,983 km (0.067 R)
• M19: 18,901,541 km (0.104 R)
• M20: 23,102,549 km (0.102 R)
• M21: 25,376,436 km (0.06 R)
• M22: 26,344,335 km (0.097 R)
• M23: 27,336,617 km (0.09 R)
• M24: 36,081,660 km (0.037 R)
• M25: 36,523,423 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.3

Radius: 4.5

Gravity: 27.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.02 AU - 8.22 AU

Year: 12080 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,080,611 km

• M1: 57,296 km (0.111 R)
• M2: 241,451 km (0.101 R)
• M3: 388,057 km (0.101 R)
• M4: 766,839 km (0.067 R)
• M5: 990,488 km (0.099 R)
• M6: 1,427,313 km (0.085 R)
• M7: 2,177,995 km (0.042 R)
• M8: 3,607,852 km (0.112 R)
• M9: 3,900,016 km (0.091 R)
• M10: 4,746,142 km (0.075 R)
• M11: 5,637,745 km (0.08 R)
• M12: 6,178,691 km (0.086 R)
• M13: 6,993,252 km (0.067 R)
• M14: 8,975,274 km (0.119 R)
• M15: 10,593,324 km (0.119 R)
• M16: 10,808,446 km (0.099 R)
• M17: 11,302,867 km (0.057 R)
• M18: 11,754,952 km (0.103 R)
• M19: 13,060,343 km (0.112 R)
• M20: 16,096,132 km (0.084 R)
• M21: 21,827,077 km (0.066 R)
• M22: 22,704,918 km (0.057 R)
• M23: 25,575,252 km (0.076 R)
• M24: 27,956,850 km (0.108 R)
• M25: 28,367,795 km (0.046 R)
• M26: 31,689,018 km (0.11 R)
• M27: 36,467,323 km (0.055 R)
• M28: 36,711,916 km (0.054 R)
• M29: 39,604,540 km (0.083 R)
• M30: 41,172,326 km (0.102 R)
• M31: 41,437,563 km (0.093 R)
• M32: 45,131,134 km (0.105 R)
• M33: 47,565,840 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.9

Radius: 3.4

Gravity: 29.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.89 AU - 8.13 AU

Year: 13086 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,080,611 km

• M1: 42,336 km (0.106 R)
• M2: 149,598 km (0.055 R)
• M3: 258,655 km (0.039 R)
• M4: 590,164 km (0.116 R)
• M5: 1,143,526 km (0.089 R)
• M6: 1,652,159 km (0.072 R)
• M7: 2,727,768 km (0.065 R)
• M8: 3,006,169 km (0.06 R)
• M9: 4,008,625 km (0.109 R)
• M10: 5,376,996 km (0.103 R)
• M11: 6,719,787 km (0.09 R)
• M12: 6,950,467 km (0.054 R)
• M13: 9,082,685 km (0.059 R)
• M14: 9,555,863 km (0.031 R)
• M15: 10,499,975 km (0.063 R)
• M16: 17,284,538 km (0.077 R)
• M17: 20,628,050 km (0.032 R)
• M18: 23,753,150 km (0.044 R)
• M19: 24,019,584 km (0.098 R)
• M20: 25,381,672 km (0.111 R)
• M21: 28,457,704 km (0.073 R)
• M22: 36,620,811 km (0.097 R)
• M23: 39,778,822 km (0.102 R)
• M24: 41,552,155 km (0.084 R)
• M25: 42,327,970 km (0.09 R)
• M26: 42,588,719 km (0.096 R)
• M27: 45,528,167 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 8

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.48 AU - 9.7 AU

Year: 14630 Days

Day: 24.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,080,611 km

• M1: 216,618 km (0.117 R)
• M2: 626,366 km (0.113 R)
• M3: 1,232,238 km (0.106 R)
• M4: 1,683,724 km (0.095 R)
• M5: 3,394,226 km (0.108 R)
• M6: 3,951,628 km (0.08 R)
• M7: 6,806,703 km (0.026 R)
• M8: 8,258,999 km (0.069 R)
• M9: 8,702,108 km (0.075 R)
• M10: 9,317,554 km (0.095 R)
• M11: 12,261,191 km (0.072 R)
• M12: 13,839,897 km (0.094 R)
• M13: 14,395,055 km (0.062 R)
• M14: 20,969,732 km (0.113 R)
• M15: 26,669,710 km (0.081 R)
• M16: 31,984,474 km (0.085 R)
• M17: 34,193,885 km (0.032 R)
• M18: 38,777,713 km (0.116 R)
• M19: 43,312,623 km (0.077 R)
• M20: 45,859,826 km (0.101 R)
• M21: 49,946,091 km (0.026 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 14,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit