🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.46 AU - 0.56 AU

Year: 239 Days

Day: 19.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,360,488 km

• M1: 61,934 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.48 AU - 0.66 AU

Year: 282 Days

Day: 25.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,360,488 km

• M1: 422,165 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 8

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.03 AU - 1.03 AU

Year: 686 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,360,488 km

• M1: 99,931 km (0.081 R)
• M2: 381,923 km (0.093 R)
• M3: 721,959 km (0.101 R)
• M4: 989,291 km (0.087 R)
• M5: 1,454,241 km (0.096 R)
• M6: 1,733,540 km (0.059 R)
• M7: 2,488,261 km (0.083 R)
• M8: 2,879,310 km (0.104 R)
• M9: 3,364,307 km (0.102 R)
• M10: 4,145,955 km (0.055 R)
• M11: 4,415,680 km (0.051 R)
• M12: 4,990,435 km (0.102 R)
• M13: 5,332,865 km (0.102 R)
• M14: 5,633,257 km (0.059 R)
• M15: 6,125,285 km (0.055 R)
• M16: 6,883,896 km (0.12 R)
• M17: 7,539,284 km (0.088 R)
• M18: 8,039,390 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.5

Radius: 9.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.12 AU - 1.26 AU

Year: 852 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,360,488 km

• M1: 118,182 km (0.072 R)
• M2: 507,735 km (0.112 R)
• M3: 844,630 km (0.095 R)
• M4: 1,191,248 km (0.111 R)
• M5: 2,547,353 km (0.119 R)
• M6: 2,864,799 km (0.116 R)
• M7: 3,182,396 km (0.112 R)
• M8: 4,328,764 km (0.054 R)
• M9: 4,766,338 km (0.074 R)
• M10: 5,141,080 km (0.057 R)
• M11: 6,092,672 km (0.107 R)
• M12: 7,249,662 km (0.053 R)
• M13: 8,090,253 km (0.027 R)
• M14: 8,861,280 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 9.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.33 AU - 1.75 AU

Year: 1254 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,360,488 km

• M1: 122,820 km (0.078 R)
• M2: 501,302 km (0.105 R)
• M3: 940,671 km (0.083 R)
• M4: 1,584,541 km (0.043 R)
• M5: 2,225,568 km (0.04 R)
• M6: 2,617,364 km (0.109 R)
• M7: 3,103,857 km (0.113 R)
• M8: 3,500,740 km (0.061 R)
• M9: 5,715,237 km (0.119 R)
• M10: 7,797,639 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 8.6

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.25 AU - 3.27 AU

Year: 3008 Days

Day: 8.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,360,488 km

• M1: 106,962 km (0.072 R)
• M2: 385,663 km (0.062 R)
• M3: 662,719 km (0.112 R)
• M4: 1,080,845 km (0.116 R)
• M5: 1,668,764 km (0.113 R)
• M6: 1,976,188 km (0.09 R)
• M7: 3,170,876 km (0.04 R)
• M8: 3,646,897 km (0.087 R)
• M9: 4,741,654 km (0.073 R)
• M10: 5,575,662 km (0.117 R)
• M11: 6,927,728 km (0.114 R)
• M12: 7,965,488 km (0.089 R)
• M13: 9,556,910 km (0.078 R)
• M14: 11,050,645 km (0.078 R)
• M15: 13,501,357 km (0.09 R)
• M16: 14,342,397 km (0.06 R)
• M17: 15,642,103 km (0.082 R)
• M18: 16,849,208 km (0.094 R)
• M19: 18,176,440 km (0.111 R)
• M20: 19,821,867 km (0.115 R)
• M21: 21,897,837 km (0.094 R)
• M22: 22,234,732 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 13.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.27 AU - 3.27 AU

Year: 3879 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,360,488 km

• M1: 167,550 km (0.025 R)
• M2: 601,832 km (0.073 R)
• M3: 1,368,970 km (0.073 R)
• M4: 1,815,520 km (0.077 R)
• M5: 2,274,336 km (0.117 R)
• M6: 3,066,607 km (0.043 R)
• M7: 4,252,619 km (0.063 R)
• M8: 4,950,642 km (0.103 R)
• M9: 5,510,288 km (0.075 R)
• M10: 8,322,878 km (0.088 R)
• M11: 9,570,374 km (0.12 R)
• M12: 10,319,860 km (0.098 R)
• M13: 12,899,076 km (0.113 R)
• M14: 14,617,806 km (0.115 R)
• M15: 16,429,137 km (0.109 R)
• M16: 17,102,926 km (0.11 R)
• M17: 17,794,966 km (0.073 R)
• M18: 23,736,993 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 9.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.68 AU - 4.58 AU

Year: 5506 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,360,488 km

• M1: 120,725 km (0.096 R)
• M2: 460,462 km (0.087 R)
• M3: 1,263,055 km (0.099 R)
• M4: 2,004,013 km (0.057 R)
• M5: 2,471,656 km (0.115 R)
• M6: 2,924,638 km (0.065 R)
• M7: 3,281,429 km (0.112 R)
• M8: 3,748,025 km (0.101 R)
• M9: 4,104,816 km (0.115 R)
• M10: 5,186,259 km (0.114 R)
• M11: 6,330,234 km (0.1 R)
• M12: 7,055,335 km (0.112 R)
• M13: 7,868,549 km (0.115 R)
• M14: 8,245,535 km (0.095 R)
• M15: 11,019,529 km (0.089 R)
• M16: 12,662,861 km (0.077 R)
• M17: 13,086,074 km (0.085 R)
• M18: 13,421,771 km (0.088 R)
• M19: 14,822,606 km (0.102 R)
• M20: 15,611,884 km (0.12 R)
• M21: 15,935,315 km (0.103 R)
• M22: 16,763,638 km (0.081 R)
• M23: 17,795,265 km (0.105 R)
• M24: 18,686,719 km (0.12 R)
• M25: 19,545,411 km (0.103 R)
• M26: 20,366,105 km (0.1 R)
• M27: 22,965,966 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.4

Radius: 6.3

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.03 AU - 9.51 AU

Year: 17038 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,360,488 km

• M1: 122,969 km (0.085 R)
• M2: 417,976 km (0.114 R)
• M3: 870,211 km (0.096 R)
• M4: 1,489,845 km (0.108 R)
• M5: 1,719,628 km (0.097 R)
• M6: 2,979,840 km (0.031 R)
• M7: 3,528,864 km (0.076 R)
• M8: 4,172,434 km (0.05 R)
• M9: 4,664,462 km (0.117 R)
• M10: 7,068,200 km (0.084 R)
• M11: 7,587,903 km (0.062 R)
• M12: 7,811,702 km (0.085 R)
• M13: 8,703,305 km (0.052 R)
• M14: 11,025,064 km (0.103 R)
• M15: 12,144,505 km (0.095 R)
• M16: 12,389,546 km (0.108 R)
• M17: 13,337,697 km (0.115 R)
• M18: 13,929,357 km (0.099 R)
• M19: 15,024,264 km (0.096 R)
• M20: 16,772,315 km (0.038 R)
• M21: 17,931,250 km (0.061 R)
• M22: 19,474,651 km (0.101 R)
• M23: 19,726,125 km (0.079 R)
• M24: 21,997,768 km (0.117 R)
• M25: 22,916,000 km (0.111 R)
• M26: 23,668,926 km (0.067 R)
• M27: 26,433,794 km (0.094 R)
• M28: 27,366,387 km (0.075 R)
• M29: 37,798,744 km (0.07 R)
• M30: 45,121,111 km (0.096 R)
• M31: 47,960,329 km (0.109 R)
• M32: 48,265,958 km (0.03 R)
• M33: 49,813,548 km (0.096 R)
• M34: 52,520,072 km (0.061 R)
• M35: 54,654,684 km (0.104 R)
• M36: 56,165,922 km (0.079 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: 267 - 18,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit