🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 9

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.6 AU - 2.48 AU

Year: 1943 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,772,942 km

• M1: 114,442 km (0.108 R)
• M2: 431,889 km (0.083 R)
• M3: 1,073,664 km (0.094 R)
• M4: 1,428,061 km (0.12 R)
• M5: 1,760,767 km (0.106 R)
• M6: 2,418,698 km (0.092 R)
• M7: 2,958,148 km (0.11 R)
• M8: 5,604,086 km (0.101 R)
• M9: 6,000,371 km (0.105 R)
• M10: 6,283,559 km (0.091 R)
• M11: 7,360,664 km (0.04 R)
• M12: 8,206,790 km (0.066 R)
• M13: 8,556,400 km (0.088 R)
• M14: 12,495,761 km (0.073 R)
• M15: 12,874,094 km (0.093 R)
• M16: 15,545,762 km (0.09 R)
• M17: 17,087,966 km (0.044 R)
• M18: 17,397,933 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 14.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.88 AU - 2.8 AU

Year: 2387 Days

Day: 5.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,772,942 km

• M1: 178,021 km (0.059 R)
• M2: 746,793 km (0.07 R)
• M3: 1,325,437 km (0.092 R)
• M4: 2,147,627 km (0.096 R)
• M5: 2,675,857 km (0.117 R)
• M6: 3,649,141 km (0.062 R)
• M7: 4,121,122 km (0.118 R)
• M8: 4,614,945 km (0.115 R)
• M9: 5,127,916 km (0.103 R)
• M10: 5,657,193 km (0.111 R)
• M11: 6,976,497 km (0.109 R)
• M12: 8,150,391 km (0.091 R)
• M13: 8,666,953 km (0.041 R)
• M14: 9,205,505 km (0.085 R)
• M15: 9,798,212 km (0.049 R)
• M16: 12,767,879 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.3

Radius: 14.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.3 AU - 4.78 AU

Year: 6451 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,772,942 km

• M1: 248,931 km (0.107 R)
• M2: 897,587 km (0.072 R)
• M3: 2,045,152 km (0.116 R)
• M4: 5,325,385 km (0.094 R)
• M5: 7,105,300 km (0.087 R)
• M6: 8,585,123 km (0.097 R)
• M7: 9,514,425 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 9.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.78 AU - 5.62 AU

Year: 6795 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,772,942 km

• M1: 116,986 km (0.104 R)
• M2: 1,455,587 km (0.113 R)
• M3: 7,253,253 km (0.084 R)
• M4: 8,948,645 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320

Radius: 3.9

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.28 AU - 9.48 AU

Year: 14751 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,772,942 km

• M1: 48,470 km (0.096 R)
• M2: 172,337 km (0.05 R)
• M3: 338,690 km (0.093 R)
• M4: 619,186 km (0.084 R)
• M5: 828,174 km (0.094 R)
• M6: 1,094,159 km (0.063 R)
• M7: 1,401,134 km (0.089 R)
• M8: 1,716,636 km (0.103 R)
• M9: 1,907,672 km (0.091 R)
• M10: 2,567,249 km (0.093 R)
• M11: 3,061,072 km (0.119 R)
• M12: 3,366,850 km (0.101 R)
• M13: 3,489,670 km (0.115 R)
• M14: 4,094,045 km (0.043 R)
• M15: 5,047,133 km (0.095 R)
• M16: 6,510,499 km (0.093 R)
• M17: 7,462,540 km (0.11 R)
• M18: 8,102,669 km (0.04 R)
• M19: 11,247,666 km (0.094 R)
• M20: 15,456,003 km (0.065 R)
• M21: 15,659,606 km (0.067 R)
• M22: 17,135,389 km (0.037 R)
• M23: 17,721,065 km (0.049 R)
• M24: 18,018,914 km (0.12 R)
• M25: 22,028,885 km (0.06 R)
• M26: 24,240,091 km (0.072 R)
• M27: 29,304,278 km (0.047 R)
• M28: 32,970,772 km (0.093 R)
• M29: 33,990,132 km (0.041 R)
• M30: 34,449,846 km (0.099 R)
• M31: 35,381,542 km (0.118 R)
• M32: 37,661,713 km (0.11 R)
• M33: 44,262,569 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 3.8

Gravity: 55.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.14 AU - 8.82 AU

Year: 15033 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,772,942 km

• M1: 47,273 km (0.036 R)
• M2: 176,675 km (0.099 R)
• M3: 308,620 km (0.098 R)
• M4: 885,320 km (0.082 R)
• M5: 1,322,595 km (0.116 R)
• M6: 2,697,698 km (0.111 R)
• M7: 3,458,104 km (0.085 R)
• M8: 4,351,652 km (0.109 R)
• M9: 4,886,315 km (0.032 R)
• M10: 5,061,943 km (0.088 R)
• M11: 9,744,805 km (0.062 R)
• M12: 10,023,357 km (0.107 R)
• M13: 14,646,828 km (0.041 R)
• M14: 17,253,721 km (0.116 R)
• M15: 23,066,645 km (0.081 R)
• M16: 24,571,899 km (0.084 R)
• M17: 32,838,528 km (0.116 R)
• M18: 36,179,497 km (0.089 R)
• M19: 40,736,996 km (0.075 R)
• M20: 43,827,987 km (0.115 R)
• M21: 48,509,503 km (0.082 R)
• M22: 52,656,356 km (0.111 R)
• M23: 54,031,759 km (0.091 R)
• M24: 65,314,879 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384

Radius: 3.7

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.29 AU - 11.95 AU

Year: 21468 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,772,942 km

• M1: 46,226 km (0.091 R)
• M2: 250,576 km (0.082 R)
• M3: 699,220 km (0.088 R)
• M4: 910,004 km (0.041 R)
• M5: 1,785,451 km (0.101 R)
• M6: 2,159,595 km (0.03 R)
• M7: 2,386,684 km (0.063 R)
• M8: 2,721,634 km (0.111 R)
• M9: 7,001,480 km (0.104 R)
• M10: 7,360,365 km (0.064 R)
• M11: 9,234,527 km (0.083 R)
• M12: 9,831,273 km (0.093 R)
• M13: 14,528,796 km (0.112 R)
• M14: 15,939,055 km (0.049 R)
• M15: 16,716,664 km (0.059 R)
• M16: 17,114,894 km (0.103 R)
• M17: 18,096,256 km (0.086 R)
• M18: 22,301,751 km (0.116 R)
• M19: 26,143,873 km (0.082 R)
• M20: 26,464,761 km (0.053 R)
• M21: 27,996,942 km (0.07 R)
• M22: 34,205,553 km (0.076 R)
• M23: 37,087,107 km (0.08 R)
• M24: 46,537,803 km (0.074 R)
• M25: 51,226,799 km (0.117 R)
• M26: 65,183,233 km (0.093 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: 488 - 10,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit