🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 11.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.62 AU - 0.64 AU

Year: 333 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,902,464 km

• M1: 143,016 km (0.118 R)
• M2: 590,164 km (0.094 R)
• M3: 1,134,251 km (0.06 R)
• M4: 1,535,473 km (0.082 R)
• M5: 2,191,160 km (0.111 R)
• M6: 2,552,888 km (0.057 R)
• M7: 2,954,708 km (0.096 R)
• M8: 3,321,970 km (0.099 R)
• M9: 3,743,537 km (0.096 R)
• M10: 4,357,038 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.3

Radius: 13.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.3 AU - 1.68 AU

Year: 1213 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,902,464 km

• M1: 167,400 km (0.112 R)
• M2: 631,153 km (0.113 R)
• M3: 1,181,075 km (0.093 R)
• M4: 1,710,352 km (0.064 R)
• M5: 3,159,956 km (0.045 R)
• M6: 3,858,578 km (0.096 R)
• M7: 4,398,177 km (0.117 R)
• M8: 5,375,201 km (0.067 R)
• M9: 6,563,457 km (0.082 R)
• M10: 7,650,585 km (0.067 R)
• M11: 9,121,581 km (0.104 R)
• M12: 10,573,428 km (0.09 R)
• M13: 11,112,878 km (0.113 R)
• M14: 11,600,118 km (0.034 R)
• M15: 12,468,384 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.2

Radius: 14.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.63 AU - 4.01 AU

Year: 4034 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,902,464 km

• M1: 187,147 km (0.093 R)
• M2: 1,285,046 km (0.12 R)
• M3: 1,784,852 km (0.108 R)
• M4: 2,538,526 km (0.113 R)
• M5: 3,087,850 km (0.08 R)
• M6: 6,484,320 km (0.087 R)
• M7: 7,925,994 km (0.111 R)
• M8: 9,112,605 km (0.1 R)
• M9: 13,143,370 km (0.113 R)
• M10: 13,931,601 km (0.115 R)
• M11: 16,486,733 km (0.115 R)
• M12: 17,113,847 km (0.072 R)
• M13: 21,016,706 km (0.067 R)
• M14: 22,439,830 km (0.097 R)
• M15: 25,027,574 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 12.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.16 AU - 4.6 AU

Year: 6113 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,902,464 km

• M1: 160,369 km (0.098 R)
• M2: 624,721 km (0.119 R)
• M3: 1,367,474 km (0.059 R)
• M4: 1,875,658 km (0.074 R)
• M5: 2,738,987 km (0.111 R)
• M6: 3,451,223 km (0.1 R)
• M7: 3,898,371 km (0.056 R)
• M8: 4,668,650 km (0.106 R)
• M9: 5,246,397 km (0.111 R)
• M10: 5,657,941 km (0.1 R)
• M11: 8,243,441 km (0.103 R)
• M12: 10,217,684 km (0.109 R)
• M13: 11,533,996 km (0.101 R)
• M14: 13,013,519 km (0.095 R)
• M15: 13,771,531 km (0.117 R)
• M16: 17,357,991 km (0.107 R)
• M17: 19,366,192 km (0.096 R)
• M18: 19,856,275 km (0.037 R)
• M19: 20,570,754 km (0.114 R)
• M20: 22,050,876 km (0.066 R)
• M21: 23,206,818 km (0.091 R)
• M22: 27,178,044 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.9

Radius: 3.6

Gravity: 36.57 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.73 AU - 7.15 AU

Year: 10898 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,902,464 km

• M1: 44,730 km (0.092 R)
• M2: 187,297 km (0.114 R)
• M3: 302,038 km (0.044 R)
• M4: 522,396 km (0.075 R)
• M5: 680,371 km (0.09 R)
• M6: 1,393,953 km (0.079 R)
• M7: 1,854,714 km (0.105 R)
• M8: 2,261,770 km (0.071 R)
• M9: 2,788,056 km (0.058 R)
• M10: 3,367,747 km (0.068 R)
• M11: 3,685,942 km (0.099 R)
• M12: 3,917,669 km (0.114 R)
• M13: 4,554,358 km (0.086 R)
• M14: 4,760,952 km (0.094 R)
• M15: 5,098,445 km (0.077 R)
• M16: 6,135,308 km (0.082 R)
• M17: 6,314,825 km (0.06 R)
• M18: 6,951,364 km (0.092 R)
• M19: 8,220,403 km (0.094 R)
• M20: 9,209,395 km (0.106 R)
• M21: 11,637,667 km (0.049 R)
• M22: 12,023,929 km (0.093 R)
• M23: 12,706,245 km (0.118 R)
• M24: 15,297,130 km (0.1 R)
• M25: 18,145,923 km (0.088 R)
• M26: 20,361,617 km (0.103 R)
• M27: 20,841,377 km (0.068 R)
• M28: 23,529,052 km (0.085 R)
• M29: 24,683,798 km (0.082 R)
• M30: 26,628,122 km (0.096 R)
• M31: 28,274,895 km (0.098 R)
• M32: 30,923,077 km (0.11 R)
• M33: 32,307,007 km (0.11 R)
• M34: 39,602,147 km (0.031 R)
• M35: 43,300,356 km (0.11 R)
• M36: 44,093,224 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.6

Radius: 7.2

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.09 AU - 12.25 AU

Year: 23242 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,902,464 km

• M1: 89,759 km (0.117 R)
• M2: 768,484 km (0.056 R)
• M3: 1,073,664 km (0.099 R)
• M4: 1,710,801 km (0.051 R)
• M5: 2,672,117 km (0.081 R)
• M6: 3,859,326 km (0.049 R)
• M7: 4,179,615 km (0.112 R)
• M8: 4,657,580 km (0.075 R)
• M9: 8,272,164 km (0.094 R)
• M10: 13,130,654 km (0.068 R)
• M11: 14,229,001 km (0.057 R)
• M12: 15,150,973 km (0.094 R)
• M13: 18,422,080 km (0.09 R)
• M14: 20,364,908 km (0.101 R)
• M15: 30,875,205 km (0.063 R)
• M16: 33,739,257 km (0.051 R)
• M17: 36,492,456 km (0.099 R)
• M18: 37,490,423 km (0.102 R)
• M19: 39,989,456 km (0.116 R)
• M20: 45,644,106 km (0.073 R)
• M21: 46,303,533 km (0.056 R)
• M22: 46,802,292 km (0.119 R)
• M23: 57,161,945 km (0.1 R)
• M24: 63,893,101 km (0.111 R)
• M25: 68,950,257 km (0.05 R)
• M26: 74,722,640 km (0.044 R)
• M27: 77,258,923 km (0.214 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: 365 - 12,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit