🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 12.5

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.83 AU - 1.21 AU

Year: 687 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,241,098 km

• M1: 155,432 km (0.116 R)
• M2: 765,343 km (0.097 R)
• M3: 1,182,571 km (0.08 R)
• M4: 1,739,823 km (0.066 R)
• M5: 2,249,054 km (0.078 R)
• M6: 2,785,662 km (0.06 R)
• M7: 3,434,169 km (0.094 R)
• M8: 3,981,248 km (0.059 R)
• M9: 4,372,297 km (0.085 R)
• M10: 5,343,337 km (0.055 R)
• M11: 5,781,808 km (0.081 R)
• M12: 7,878,871 km (0.1 R)
• M13: 8,372,694 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.5

Radius: 14.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.43 AU - 2.55 AU

Year: 2620 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,241,098 km

• M1: 181,612 km (0.102 R)
• M2: 734,974 km (0.073 R)
• M3: 1,221,317 km (0.118 R)
• M4: 2,637,410 km (0.082 R)
• M5: 3,946,093 km (0.076 R)
• M6: 4,628,409 km (0.1 R)
• M7: 5,133,301 km (0.075 R)
• M8: 5,787,942 km (0.069 R)
• M9: 6,351,327 km (0.109 R)
• M10: 7,291,699 km (0.049 R)
• M11: 8,120,920 km (0.087 R)
• M12: 8,981,557 km (0.092 R)
• M13: 9,771,434 km (0.036 R)
• M14: 10,884,741 km (0.099 R)
• M15: 11,454,111 km (0.096 R)
• M16: 12,614,242 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 11

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.91 AU - 3.11 AU

Year: 2652 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,241,098 km

• M1: 139,575 km (0.043 R)
• M2: 494,122 km (0.07 R)
• M3: 1,032,225 km (0.111 R)
• M4: 1,410,409 km (0.084 R)
• M5: 2,702,037 km (0.106 R)
• M6: 4,637,684 km (0.081 R)
• M7: 4,989,239 km (0.111 R)
• M8: 5,537,216 km (0.108 R)
• M9: 6,636,162 km (0.058 R)
• M10: 7,519,986 km (0.111 R)
• M11: 7,907,893 km (0.067 R)
• M12: 8,514,961 km (0.09 R)
• M13: 10,325,694 km (0.101 R)
• M14: 11,300,623 km (0.087 R)
• M15: 13,199,319 km (0.055 R)
• M16: 15,250,605 km (0.047 R)
• M17: 15,716,304 km (0.116 R)
• M18: 16,895,135 km (0.058 R)
• M19: 17,562,341 km (0.033 R)
• M20: 18,596,063 km (0.096 R)
• M21: 19,609,289 km (0.119 R)
• M22: 20,470,973 km (0.118 R)
• M23: 21,421,966 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 10.5

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.18 AU - 3.14 AU

Year: 2893 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,241,098 km

• M1: 130,599 km (0.112 R)
• M2: 468,092 km (0.087 R)
• M3: 803,939 km (0.117 R)
• M4: 1,185,414 km (0.058 R)
• M5: 1,548,188 km (0.074 R)
• M6: 2,114,416 km (0.083 R)
• M7: 3,918,567 km (0.068 R)
• M8: 5,492,187 km (0.108 R)
• M9: 6,463,077 km (0.108 R)
• M10: 8,296,698 km (0.109 R)
• M11: 10,102,643 km (0.113 R)
• M12: 10,853,326 km (0.081 R)
• M13: 11,180,197 km (0.075 R)
• M14: 12,288,717 km (0.071 R)
• M15: 13,329,021 km (0.104 R)
• M16: 15,124,195 km (0.115 R)
• M17: 16,425,098 km (0.105 R)
• M18: 17,075,400 km (0.086 R)
• M19: 17,912,251 km (0.088 R)
• M20: 19,849,393 km (0.116 R)
• M21: 20,587,210 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 9.5

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.61 AU - 4.53 AU

Year: 5475 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,241,098 km

• M1: 119,529 km (0.119 R)
• M2: 679,623 km (0.071 R)
• M3: 1,496,128 km (0.071 R)
• M4: 1,814,921 km (0.096 R)
• M5: 2,179,342 km (0.069 R)
• M6: 2,754,097 km (0.065 R)
• M7: 3,238,644 km (0.092 R)
• M8: 4,131,893 km (0.072 R)
• M9: 4,741,953 km (0.061 R)
• M10: 5,209,447 km (0.105 R)
• M11: 6,046,447 km (0.116 R)
• M12: 7,539,433 km (0.061 R)
• M13: 8,569,116 km (0.065 R)
• M14: 9,138,635 km (0.12 R)
• M15: 12,220,201 km (0.103 R)
• M16: 14,357,656 km (0.08 R)
• M17: 15,813,542 km (0.105 R)
• M18: 17,687,555 km (0.082 R)
• M19: 18,678,042 km (0.079 R)
• M20: 21,499,907 km (0.054 R)
• M21: 22,323,144 km (0.044 R)
• M22: 26,078,948 km (0.062 R)
• M23: 27,535,134 km (0.095 R)
• M24: 31,554,828 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 6.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.5 AU - 8.86 AU

Year: 12830 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,241,098 km

• M1: 80,633 km (0.062 R)
• M2: 612,304 km (0.041 R)
• M3: 842,386 km (0.114 R)
• M4: 1,395,150 km (0.09 R)
• M5: 1,630,617 km (0.094 R)
• M6: 3,392,431 km (0.109 R)
• M7: 4,128,004 km (0.082 R)
• M8: 4,341,031 km (0.11 R)
• M9: 4,760,354 km (0.098 R)
• M10: 6,355,217 km (0.07 R)
• M11: 7,624,255 km (0.069 R)
• M12: 8,616,239 km (0.077 R)
• M13: 9,506,346 km (0.098 R)
• M14: 10,505,361 km (0.096 R)
• M15: 11,677,759 km (0.075 R)
• M16: 12,268,372 km (0.114 R)
• M17: 16,635,283 km (0.118 R)
• M18: 18,222,965 km (0.107 R)
• M19: 22,099,046 km (0.053 R)
• M20: 23,758,087 km (0.061 R)
• M21: 27,322,106 km (0.111 R)
• M22: 27,696,999 km (0.086 R)
• M23: 30,820,752 km (0.098 R)
• M24: 39,640,893 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.7

Radius: 4.3

Gravity: 50.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.45 AU - 8.57 AU

Year: 16555 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,241,098 km

• M1: 59,839 km (0.063 R)
• M2: 603,627 km (0.096 R)
• M3: 1,131,110 km (0.088 R)
• M4: 1,283,550 km (0.096 R)
• M5: 1,682,078 km (0.079 R)
• M6: 2,328,341 km (0.072 R)
• M7: 3,099,817 km (0.103 R)
• M8: 9,607,923 km (0.113 R)
• M9: 10,010,790 km (0.059 R)
• M10: 11,035,835 km (0.081 R)
• M11: 11,350,290 km (0.119 R)
• M12: 11,735,355 km (0.079 R)
• M13: 14,230,946 km (0.092 R)
• M14: 15,997,996 km (0.118 R)
• M15: 19,592,684 km (0.086 R)
• M16: 25,282,339 km (0.114 R)
• M17: 26,718,329 km (0.103 R)
• M18: 27,859,462 km (0.103 R)
• M19: 31,101,697 km (0.037 R)
• M20: 43,244,256 km (0.104 R)
• M21: 53,597,177 km (0.108 R)
• M22: 54,497,607 km (0.048 R)
• M23: 57,822,419 km (0.109 R)
• M24: 70,521,483 km (0.102 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: 511 - 12,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit