🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 12.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 412 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,370,063 km

• M1: 154,235 km (0.109 R)
• M2: 605,273 km (0.061 R)
• M3: 1,309,430 km (0.071 R)
• M4: 2,467,168 km (0.059 R)
• M5: 2,870,933 km (0.069 R)
• M6: 3,762,536 km (0.095 R)
• M7: 4,259,500 km (0.056 R)
• M8: 5,239,217 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 10.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 610 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,370,063 km

• M1: 130,749 km (0.085 R)
• M2: 478,264 km (0.102 R)
• M3: 821,741 km (0.067 R)
• M4: 1,218,923 km (0.083 R)
• M5: 1,549,984 km (0.117 R)
• M6: 2,810,046 km (0.046 R)
• M7: 3,265,422 km (0.091 R)
• M8: 3,736,057 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 8.5

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.04 AU - 1.28 AU

Year: 878 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,370,063 km

• M1: 105,766 km (0.112 R)
• M2: 594,352 km (0.112 R)
• M3: 908,657 km (0.085 R)
• M4: 1,373,159 km (0.094 R)
• M5: 1,714,092 km (0.07 R)
• M6: 2,059,663 km (0.112 R)
• M7: 2,360,355 km (0.088 R)
• M8: 2,702,785 km (0.105 R)
• M9: 3,215,606 km (0.113 R)
• M10: 3,517,794 km (0.114 R)
• M11: 3,823,123 km (0.093 R)
• M12: 4,212,975 km (0.065 R)
• M13: 5,265,546 km (0.085 R)
• M14: 5,707,608 km (0.056 R)
• M15: 7,039,926 km (0.066 R)
• M16: 7,932,577 km (0.118 R)
• M17: 8,898,680 km (0.091 R)
• M18: 9,352,410 km (0.117 R)
• M19: 9,941,227 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 13.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1 AU - 1.38 AU

Year: 912 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,370,063 km

• M1: 170,242 km (0.064 R)
• M2: 676,182 km (0.114 R)
• M3: 1,127,070 km (0.039 R)
• M4: 1,796,371 km (0.074 R)
• M5: 2,363,796 km (0.079 R)
• M6: 2,794,937 km (0.06 R)
• M7: 3,419,209 km (0.066 R)
• M8: 3,959,257 km (0.067 R)
• M9: 4,643,668 km (0.067 R)
• M10: 5,079,895 km (0.091 R)
• M11: 5,745,306 km (0.093 R)
• M12: 6,336,517 km (0.114 R)
• M13: 7,715,660 km (0.091 R)
• M14: 8,330,806 km (0.11 R)
• M15: 9,061,741 km (0.114 R)
• M16: 10,132,563 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.7

Radius: 15

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.02 AU - 1.62 AU

Year: 1066 Days

Day: 8.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,370,063 km

• M1: 186,549 km (0.115 R)
• M2: 671,694 km (0.059 R)
• M3: 1,145,172 km (0.105 R)
• M4: 1,634,357 km (0.118 R)
• M5: 2,877,814 km (0.117 R)
• M6: 3,421,902 km (0.073 R)
• M7: 3,890,592 km (0.107 R)
• M8: 4,666,406 km (0.089 R)
• M9: 5,245,949 km (0.098 R)
• M10: 5,789,737 km (0.041 R)
• M11: 6,326,793 km (0.112 R)
• M12: 8,845,423 km (0.101 R)
• M13: 9,356,300 km (0.068 R)
• M14: 9,826,935 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 8.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.77 AU - 2.59 AU

Year: 2263 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,370,063 km

• M1: 158,275 km (0.077 R)
• M2: 475,422 km (0.069 R)
• M3: 1,329,775 km (0.054 R)
• M4: 1,737,579 km (0.078 R)
• M5: 2,369,630 km (0.107 R)
• M6: 4,140,719 km (0.079 R)
• M7: 4,625,865 km (0.066 R)
• M8: 5,058,502 km (0.11 R)
• M9: 5,980,025 km (0.07 R)
• M10: 6,573,630 km (0.08 R)
• M11: 6,981,433 km (0.102 R)
• M12: 7,348,397 km (0.1 R)
• M13: 7,787,916 km (0.077 R)
• M14: 10,914,062 km (0.098 R)
• M15: 13,801,301 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 13.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.14 AU - 4.22 AU

Year: 4962 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,370,063 km

• M1: 165,455 km (0.077 R)
• M2: 584,928 km (0.098 R)
• M3: 1,040,154 km (0.103 R)
• M4: 1,681,630 km (0.102 R)
• M5: 2,370,528 km (0.106 R)
• M6: 2,923,741 km (0.06 R)
• M7: 6,703,780 km (0.047 R)
• M8: 7,538,237 km (0.051 R)
• M9: 8,107,905 km (0.097 R)
• M10: 8,744,444 km (0.041 R)
• M11: 9,333,710 km (0.103 R)
• M12: 9,949,306 km (0.087 R)
• M13: 12,151,087 km (0.055 R)
• M14: 17,011,522 km (0.041 R)
• M15: 17,436,829 km (0.093 R)
• M16: 22,088,574 km (0.102 R)
• M17: 22,814,423 km (0.099 R)
• M18: 23,706,326 km (0.072 R)
• M19: 24,776,250 km (0.116 R)
• M20: 25,323,180 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 13.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.57 AU - 6.19 AU

Year: 8772 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,370,063 km

• M1: 174,282 km (0.116 R)
• M2: 989,440 km (0.081 R)
• M3: 2,074,623 km (0.041 R)
• M4: 2,587,445 km (0.078 R)
• M5: 3,642,259 km (0.1 R)
• M6: 4,254,713 km (0.087 R)
• M7: 4,690,791 km (0.063 R)
• M8: 5,791,532 km (0.115 R)
• M9: 6,403,238 km (0.084 R)
• M10: 8,322,130 km (0.1 R)
• M11: 9,197,875 km (0.108 R)
• M12: 9,683,021 km (0.067 R)
• M13: 10,494,889 km (0.098 R)
• M14: 11,296,734 km (0.053 R)
• M15: 12,664,357 km (0.105 R)
• M16: 14,396,401 km (0.027 R)
• M17: 15,386,889 km (0.075 R)
• M18: 18,250,641 km (0.116 R)
• M19: 20,701,802 km (0.061 R)
• M20: 22,395,250 km (0.103 R)
• M21: 28,333,238 km (0.119 R)
• M22: 37,286,072 km (0.088 R)
• M23: 46,384,615 km (0.094 R)
• M24: 48,541,517 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 4.7

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.14 AU - 8.84 AU

Year: 15876 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,370,063 km

• M1: 58,493 km (0.116 R)
• M2: 238,459 km (0.079 R)
• M3: 542,143 km (0.058 R)
• M4: 751,281 km (0.1 R)
• M5: 1,565,542 km (0.071 R)
• M6: 4,005,184 km (0.053 R)
• M7: 5,830,278 km (0.083 R)
• M8: 12,666,302 km (0.107 R)
• M9: 13,061,988 km (0.063 R)
• M10: 14,604,343 km (0.117 R)
• M11: 16,330,253 km (0.063 R)
• M12: 18,474,140 km (0.067 R)
• M13: 19,801,223 km (0.082 R)
• M14: 23,479,386 km (0.083 R)
• M15: 24,595,835 km (0.044 R)
• M16: 24,946,343 km (0.107 R)
• M17: 26,017,912 km (0.054 R)
• M18: 26,841,448 km (0.106 R)
• M19: 27,119,850 km (0.057 R)
• M20: 30,611,763 km (0.1 R)
• M21: 33,312,304 km (0.118 R)
• M22: 36,054,583 km (0.089 R)
• M23: 37,654,233 km (0.075 R)
• M24: 38,589,220 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.5

Radius: 4.6

Gravity: 34.48 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.83 AU - 11.45 AU

Year: 21039 Days

Day: 18.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,370,063 km

• M1: 59,540 km (0.092 R)
• M2: 229,633 km (0.099 R)
• M3: 1,139,936 km (0.086 R)
• M4: 1,436,439 km (0.058 R)
• M5: 2,496,489 km (0.074 R)
• M6: 2,917,308 km (0.066 R)
• M7: 3,355,181 km (0.072 R)
• M8: 3,530,211 km (0.1 R)
• M9: 3,804,274 km (0.104 R)
• M10: 5,006,891 km (0.054 R)
• M11: 5,197,180 km (0.114 R)
• M12: 6,050,037 km (0.114 R)
• M13: 6,759,580 km (0.101 R)
• M14: 7,772,956 km (0.083 R)
• M15: 9,106,770 km (0.094 R)
• M16: 9,680,478 km (0.079 R)
• M17: 10,217,235 km (0.088 R)
• M18: 11,415,066 km (0.087 R)
• M19: 13,861,290 km (0.038 R)
• M20: 15,565,658 km (0.029 R)
• M21: 17,491,731 km (0.076 R)
• M22: 17,842,089 km (0.105 R)
• M23: 19,383,845 km (0.109 R)
• M24: 19,570,842 km (0.087 R)
• M25: 20,524,080 km (0.104 R)
• M26: 22,317,310 km (0.087 R)
• M27: 23,889,284 km (0.057 R)
• M28: 27,604,547 km (0.038 R)
• M29: 28,319,027 km (0.116 R)
• M30: 34,896,845 km (0.118 R)
• M31: 39,805,151 km (0.098 R)
• M32: 42,266,335 km (0.114 R)
• M33: 46,646,262 km (0.084 R)
• M34: 48,858,964 km (0.07 R)
• M35: 57,634,824 km (0.117 R)
• M36: 68,481,417 km (0.1 R)
• M37: 70,008,363 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit