🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.1

Radius: 10

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.69 AU - 0.93 AU

Year: 486 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,237,761 km

• M1: 124,316 km (0.111 R)
• M2: 470,485 km (0.116 R)
• M3: 1,001,109 km (0.046 R)
• M4: 1,400,236 km (0.047 R)
• M5: 1,783,805 km (0.045 R)
• M6: 2,618,412 km (0.069 R)
• M7: 2,932,268 km (0.09 R)
• M8: 3,423,098 km (0.087 R)
• M9: 3,787,968 km (0.085 R)
• M10: 4,191,583 km (0.039 R)
• M11: 4,516,210 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 11.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.65 AU - 1.07 AU

Year: 532 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,237,761 km

• M1: 144,512 km (0.092 R)
• M2: 563,386 km (0.044 R)
• M3: 1,077,703 km (0.092 R)
• M4: 1,500,616 km (0.069 R)
• M5: 2,525,062 km (0.108 R)
• M6: 2,928,678 km (0.11 R)
• M7: 3,454,215 km (0.111 R)
• M8: 4,865,970 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 14.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,237,761 km

• M1: 185,352 km (0.102 R)
• M2: 667,506 km (0.082 R)
• M3: 1,134,550 km (0.111 R)
• M4: 1,598,304 km (0.059 R)
• M5: 2,064,451 km (0.088 R)
• M6: 2,946,180 km (0.087 R)
• M7: 3,461,246 km (0.044 R)
• M8: 4,067,865 km (0.115 R)
• M9: 5,810,980 km (0.11 R)
• M10: 6,476,391 km (0.071 R)
• M11: 7,099,915 km (0.067 R)
• M12: 8,598,287 km (0.1 R)
• M13: 9,380,834 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 9.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.88 AU - 3.46 AU

Year: 3764 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,237,761 km

• M1: 124,316 km (0.044 R)
• M2: 445,502 km (0.117 R)
• M3: 864,526 km (0.101 R)
• M4: 1,251,536 km (0.077 R)
• M5: 2,047,097 km (0.083 R)
• M6: 2,625,293 km (0.077 R)
• M7: 2,944,984 km (0.105 R)
• M8: 3,436,712 km (0.11 R)
• M9: 3,941,754 km (0.12 R)
• M10: 5,422,923 km (0.059 R)
• M11: 9,006,989 km (0.099 R)
• M12: 9,442,618 km (0.094 R)
• M13: 10,045,198 km (0.06 R)
• M14: 10,633,417 km (0.058 R)
• M15: 12,008,071 km (0.119 R)
• M16: 12,760,848 km (0.119 R)
• M17: 13,264,394 km (0.057 R)
• M18: 13,828,977 km (0.106 R)
• M19: 15,670,676 km (0.077 R)
• M20: 16,515,605 km (0.098 R)
• M21: 16,949,439 km (0.097 R)
• M22: 18,124,231 km (0.119 R)
• M23: 19,233,200 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 11.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.44 AU - 3.46 AU

Year: 4273 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,237,761 km

• M1: 141,220 km (0.033 R)
• M2: 516,412 km (0.061 R)
• M3: 1,256,173 km (0.1 R)
• M4: 2,028,996 km (0.087 R)
• M5: 2,462,082 km (0.097 R)
• M6: 3,201,694 km (0.084 R)
• M7: 3,773,157 km (0.07 R)
• M8: 4,147,900 km (0.087 R)
• M9: 4,852,357 km (0.079 R)
• M10: 5,581,796 km (0.028 R)
• M11: 6,440,936 km (0.069 R)
• M12: 7,009,707 km (0.07 R)
• M13: 9,550,627 km (0.092 R)
• M14: 10,331,079 km (0.054 R)
• M15: 13,593,061 km (0.104 R)
• M16: 14,081,049 km (0.065 R)
• M17: 17,258,358 km (0.06 R)
• M18: 17,888,764 km (0.06 R)
• M19: 18,297,914 km (0.111 R)
• M20: 22,808,140 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 13

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.84 AU - 4.36 AU

Year: 4555 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,237,761 km

• M1: 161,715 km (0.12 R)
• M2: 724,054 km (0.112 R)
• M3: 1,211,593 km (0.088 R)
• M4: 1,960,181 km (0.113 R)
• M5: 2,486,765 km (0.077 R)
• M6: 3,180,301 km (0.097 R)
• M7: 4,152,837 km (0.117 R)
• M8: 5,340,943 km (0.061 R)
• M9: 5,746,802 km (0.108 R)
• M10: 6,320,211 km (0.102 R)
• M11: 8,634,041 km (0.099 R)
• M12: 9,271,926 km (0.101 R)
• M13: 10,474,544 km (0.091 R)
• M14: 12,236,358 km (0.11 R)
• M15: 12,945,601 km (0.098 R)
• M16: 13,882,982 km (0.05 R)
• M17: 15,131,226 km (0.117 R)
• M18: 16,852,649 km (0.106 R)
• M19: 18,394,255 km (0.037 R)
• M20: 19,074,028 km (0.104 R)
• M21: 21,080,285 km (0.11 R)
• M22: 22,030,979 km (0.067 R)
• M23: 23,438,396 km (0.038 R)
• M24: 24,164,245 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 14.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.32 AU - 4.06 AU

Year: 4727 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,237,761 km

• M1: 176,675 km (0.053 R)
• M2: 624,721 km (0.101 R)
• M3: 1,291,778 km (0.073 R)
• M4: 1,902,586 km (0.059 R)
• M5: 2,464,625 km (0.088 R)
• M6: 3,155,318 km (0.09 R)
• M7: 3,638,071 km (0.085 R)
• M8: 4,192,630 km (0.029 R)
• M9: 4,754,370 km (0.096 R)
• M10: 5,419,632 km (0.117 R)
• M11: 6,564,055 km (0.103 R)
• M12: 8,946,850 km (0.052 R)
• M13: 10,458,686 km (0.074 R)
• M14: 12,088,705 km (0.115 R)
• M15: 12,556,946 km (0.108 R)
• M16: 14,396,252 km (0.115 R)
• M17: 15,029,649 km (0.119 R)
• M18: 17,453,733 km (0.107 R)
• M19: 19,102,900 km (0.098 R)
• M20: 21,528,929 km (0.107 R)
• M21: 22,358,000 km (0.091 R)
• M22: 23,208,314 km (0.113 R)
• M23: 24,524,177 km (0.118 R)
• M24: 25,581,385 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.2

Radius: 6.9

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.34 AU - 7.08 AU

Year: 10320 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,237,761 km

• M1: 94,995 km (0.11 R)
• M2: 310,864 km (0.106 R)
• M3: 654,491 km (0.101 R)
• M4: 1,327,382 km (0.113 R)
• M5: 1,837,361 km (0.091 R)
• M6: 2,391,621 km (0.12 R)
• M7: 2,783,119 km (0.1 R)
• M8: 3,075,134 km (0.104 R)
• M9: 3,387,494 km (0.083 R)
• M10: 3,668,140 km (0.091 R)
• M11: 3,991,870 km (0.045 R)
• M12: 4,218,361 km (0.107 R)
• M13: 5,345,581 km (0.055 R)
• M14: 7,650,136 km (0.099 R)
• M15: 8,407,400 km (0.094 R)
• M16: 8,828,070 km (0.118 R)
• M17: 9,164,964 km (0.076 R)
• M18: 15,929,480 km (0.101 R)
• M19: 17,609,913 km (0.113 R)
• M20: 17,990,341 km (0.086 R)
• M21: 19,566,953 km (0.04 R)
• M22: 26,399,686 km (0.068 R)
• M23: 27,708,368 km (0.037 R)
• M24: 34,786,890 km (0.072 R)
• M25: 36,236,045 km (0.073 R)
• M26: 37,599,181 km (0.106 R)
• M27: 42,028,624 km (0.066 R)
• M28: 43,256,823 km (0.09 R)
• M29: 44,368,484 km (0.082 R)
• M30: 47,817,613 km (0.085 R)
• M31: 49,456,607 km (0.092 R)
• M32: 51,751,289 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409

Radius: 4.1

Gravity: 24.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.22 AU - 7.28 AU

Year: 13018 Days

Day: 24.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,237,761 km

• M1: 77,492 km (0.092 R)
• M2: 274,811 km (0.073 R)
• M3: 1,401,433 km (0.025 R)
• M4: 3,767,174 km (0.101 R)
• M5: 3,980,500 km (0.111 R)
• M6: 5,775,974 km (0.032 R)
• M7: 5,987,954 km (0.108 R)
• M8: 6,390,073 km (0.069 R)
• M9: 9,285,241 km (0.07 R)
• M10: 9,873,459 km (0.097 R)
• M11: 17,328,669 km (0.069 R)
• M12: 17,918,384 km (0.098 R)
• M13: 23,304,207 km (0.099 R)
• M14: 24,204,337 km (0.088 R)
• M15: 25,033,857 km (0.098 R)
• M16: 28,746,278 km (0.075 R)
• M17: 33,033,304 km (0.12 R)
• M18: 34,513,276 km (0.075 R)
• M19: 36,996,451 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135

Radius: 8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.06 AU - 8.74 AU

Year: 14807 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,237,761 km

• M1: 100,081 km (0.05 R)
• M2: 351,256 km (0.064 R)
• M3: 624,422 km (0.114 R)
• M4: 875,896 km (0.1 R)
• M5: 1,570,628 km (0.071 R)
• M6: 1,915,152 km (0.085 R)
• M7: 4,096,139 km (0.088 R)
• M8: 4,456,072 km (0.112 R)
• M9: 5,210,195 km (0.091 R)
• M10: 5,949,507 km (0.096 R)
• M11: 11,213,707 km (0.064 R)
• M12: 15,963,290 km (0.074 R)
• M13: 18,394,853 km (0.114 R)
• M14: 20,465,587 km (0.086 R)
• M15: 27,692,959 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 15,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit