🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 8.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 8.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,147,028 km

• M1: 103,223 km (0.109 R)
• M2: 378,931 km (0.088 R)
• M3: 637,137 km (0.071 R)
• M4: 954,734 km (0.067 R)
• M5: 1,286,990 km (0.101 R)
• M6: 1,696,141 km (0.114 R)
• M7: 1,970,952 km (0.091 R)
• M8: 2,343,151 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 9.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.9 AU - 1.32 AU

Year: 807 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,147,028 km

• M1: 116,836 km (0.115 R)
• M2: 693,087 km (0.087 R)
• M3: 1,183,768 km (0.109 R)
• M4: 1,713,045 km (0.097 R)
• M5: 2,964,880 km (0.1 R)
• M6: 3,283,524 km (0.093 R)
• M7: 3,944,896 km (0.111 R)
• M8: 4,252,319 km (0.065 R)
• M9: 5,217,525 km (0.116 R)
• M10: 5,607,826 km (0.119 R)
• M11: 6,097,759 km (0.111 R)
• M12: 6,447,070 km (0.103 R)
• M13: 7,344,807 km (0.096 R)
• M14: 7,717,006 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.8

Radius: 9.2

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 13.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,147,028 km

• M1: 114,442 km (0.11 R)
• M2: 560,244 km (0.049 R)
• M3: 986,748 km (0.107 R)
• M4: 1,358,199 km (0.057 R)
• M5: 1,795,773 km (0.051 R)
• M6: 2,282,714 km (0.099 R)
• M7: 3,464,986 km (0.108 R)
• M8: 4,271,468 km (0.061 R)
• M9: 4,693,035 km (0.112 R)
• M10: 5,142,277 km (0.105 R)
• M11: 6,445,424 km (0.089 R)
• M12: 7,588,352 km (0.067 R)
• M13: 8,157,422 km (0.074 R)
• M14: 8,888,208 km (0.097 R)
• M15: 9,297,208 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 11.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.16 AU - 1.34 AU

Year: 965 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,147,028 km

• M1: 145,559 km (0.063 R)
• M2: 511,625 km (0.081 R)
• M3: 971,189 km (0.079 R)
• M4: 1,395,150 km (0.09 R)
• M5: 1,925,923 km (0.074 R)
• M6: 3,074,087 km (0.093 R)
• M7: 3,676,068 km (0.102 R)
• M8: 4,750,630 km (0.075 R)
• M9: 5,224,257 km (0.054 R)
• M10: 6,903,194 km (0.04 R)
• M11: 7,938,261 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.6

Radius: 13.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.69 AU - 2.17 AU

Year: 1851 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,147,028 km

• M1: 166,203 km (0.067 R)
• M2: 782,546 km (0.119 R)
• M3: 1,418,337 km (0.038 R)
• M4: 1,902,137 km (0.096 R)
• M5: 2,337,018 km (0.101 R)
• M6: 3,198,103 km (0.118 R)
• M7: 3,719,601 km (0.081 R)
• M8: 4,297,648 km (0.058 R)
• M9: 4,794,911 km (0.093 R)
• M10: 6,021,015 km (0.097 R)
• M11: 6,449,015 km (0.103 R)
• M12: 9,397,140 km (0.091 R)
• M13: 9,844,437 km (0.097 R)
• M14: 10,474,245 km (0.042 R)
• M15: 12,298,441 km (0.114 R)
• M16: 13,186,903 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 10.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.6 AU - 2.46 AU

Year: 1996 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,147,028 km

• M1: 127,457 km (0.063 R)
• M2: 550,819 km (0.03 R)
• M3: 995,125 km (0.088 R)
• M4: 1,390,961 km (0.108 R)
• M5: 2,486,317 km (0.052 R)
• M6: 3,187,931 km (0.027 R)
• M7: 3,858,727 km (0.08 R)
• M8: 7,392,678 km (0.057 R)
• M9: 7,737,501 km (0.096 R)
• M10: 8,327,365 km (0.092 R)
• M11: 8,864,422 km (0.112 R)
• M12: 9,395,943 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 9.3

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.95 AU - 3.31 AU

Year: 3822 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,147,028 km

• M1: 115,639 km (0.096 R)
• M2: 456,722 km (0.089 R)
• M3: 1,791,435 km (0.096 R)
• M4: 3,254,950 km (0.03 R)
• M5: 4,384,414 km (0.055 R)
• M6: 4,960,067 km (0.08 R)
• M7: 5,528,988 km (0.041 R)
• M8: 6,796,830 km (0.047 R)
• M9: 8,584,973 km (0.053 R)
• M10: 9,690,052 km (0.1 R)
• M11: 10,976,445 km (0.083 R)
• M12: 11,429,577 km (0.099 R)
• M13: 17,637,439 km (0.088 R)
• M14: 19,745,573 km (0.114 R)
• M15: 21,171,539 km (0.085 R)
• M16: 21,520,850 km (0.07 R)
• M17: 25,464,550 km (0.083 R)
• M18: 27,316,721 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 10.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.1 AU - 4.56 AU

Year: 6219 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,147,028 km

• M1: 130,599 km (0.104 R)
• M2: 507,137 km (0.059 R)
• M3: 1,026,241 km (0.117 R)
• M4: 1,441,226 km (0.113 R)
• M5: 2,465,223 km (0.112 R)
• M6: 2,892,026 km (0.062 R)
• M7: 3,346,953 km (0.112 R)
• M8: 3,872,341 km (0.102 R)
• M9: 4,277,153 km (0.1 R)
• M10: 6,062,005 km (0.067 R)
• M11: 7,367,097 km (0.115 R)
• M12: 8,650,347 km (0.095 R)
• M13: 10,434,152 km (0.091 R)
• M14: 11,850,246 km (0.102 R)
• M15: 13,124,969 km (0.073 R)
• M16: 14,488,853 km (0.076 R)
• M17: 18,741,023 km (0.083 R)
• M18: 19,903,847 km (0.088 R)
• M19: 21,332,656 km (0.107 R)
• M20: 24,553,947 km (0.096 R)
• M21: 24,957,862 km (0.068 R)
• M22: 26,873,163 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 4.5

Gravity: 47.21 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.97 AU - 9.47 AU

Year: 14806 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,147,028 km

• M1: 59,241 km (0.094 R)
• M2: 238,758 km (0.098 R)
• M3: 1,364,632 km (0.111 R)
• M4: 1,971,102 km (0.081 R)
• M5: 2,249,952 km (0.04 R)
• M6: 2,532,094 km (0.113 R)
• M7: 3,062,717 km (0.101 R)
• M8: 3,931,881 km (0.092 R)
• M9: 5,507,446 km (0.043 R)
• M10: 6,100,900 km (0.096 R)
• M11: 6,476,840 km (0.09 R)
• M12: 7,842,070 km (0.051 R)
• M13: 9,333,710 km (0.085 R)
• M14: 11,188,126 km (0.12 R)
• M15: 13,000,504 km (0.041 R)
• M16: 13,412,945 km (0.11 R)
• M17: 17,691,594 km (0.115 R)
• M18: 25,152,788 km (0.104 R)
• M19: 25,364,917 km (0.081 R)
• M20: 25,685,356 km (0.098 R)
• M21: 29,861,231 km (0.071 R)
• M22: 31,799,271 km (0.119 R)
• M23: 34,207,498 km (0.103 R)
• M24: 36,057,874 km (0.049 R)
• M25: 50,744,196 km (0.115 R)
• M26: 57,991,914 km (0.092 R)
• M27: 59,107,315 km (0.119 R)
• M28: 63,515,217 km (0.101 R)
• M29: 63,711,639 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 7.4

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.09 AU - 10.01 AU

Year: 15765 Days

Day: 15.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,147,028 km

• M1: 92,152 km (0.108 R)
• M2: 668,403 km (0.106 R)
• M3: 923,767 km (0.105 R)
• M4: 1,558,062 km (0.098 R)
• M5: 2,520,126 km (0.116 R)
• M6: 4,878,686 km (0.082 R)
• M7: 6,146,677 km (0.106 R)
• M8: 7,197,453 km (0.091 R)
• M9: 7,572,943 km (0.094 R)
• M10: 7,814,245 km (0.109 R)
• M11: 11,375,123 km (0.081 R)
• M12: 11,692,121 km (0.097 R)
• M13: 12,277,348 km (0.106 R)
• M14: 12,950,538 km (0.064 R)
• M15: 14,517,576 km (0.068 R)
• M16: 15,270,053 km (0.072 R)
• M17: 15,655,866 km (0.103 R)
• M18: 17,683,516 km (0.066 R)
• M19: 17,938,131 km (0.112 R)
• M20: 19,788,956 km (0.061 R)
• M21: 20,619,823 km (0.114 R)
• M22: 23,455,301 km (0.076 R)
• M23: 25,990,386 km (0.084 R)
• M24: 29,408,997 km (0.045 R)
• M25: 30,734,135 km (0.059 R)
• M26: 33,632,444 km (0.096 R)
• M27: 35,483,269 km (0.105 R)
• M28: 35,752,994 km (0.092 R)
• M29: 37,820,436 km (0.069 R)
• M30: 39,386,427 km (0.087 R)
• M31: 41,441,303 km (0.103 R)
• M32: 44,812,940 km (0.12 R)
• M33: 51,922,878 km (0.039 R)
• M34: 60,514,583 km (0.113 R)
• M35: 65,651,474 km (0.032 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit