🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 12.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.88 AU - 1.12 AU

Year: 667 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,669,326 km

• M1: 150,495 km (0.083 R)
• M2: 562,338 km (0.043 R)
• M3: 1,178,382 km (0.099 R)
• M4: 1,767,050 km (0.113 R)
• M5: 2,219,883 km (0.069 R)
• M6: 2,965,927 km (0.056 R)
• M7: 6,128,576 km (0.03 R)
• M8: 6,650,822 km (0.055 R)
• M9: 7,271,055 km (0.091 R)
• M10: 7,977,905 km (0.085 R)
• M11: 8,550,416 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 11.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.37 AU

Year: 855 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,669,326 km

• M1: 140,472 km (0.094 R)
• M2: 508,633 km (0.069 R)
• M3: 1,261,559 km (0.12 R)
• M4: 1,643,931 km (0.065 R)
• M5: 2,251,448 km (0.087 R)
• M6: 2,856,721 km (0.108 R)
• M7: 3,414,272 km (0.085 R)
• M8: 4,201,307 km (0.079 R)
• M9: 5,105,327 km (0.078 R)
• M10: 5,692,947 km (0.091 R)
• M11: 6,480,580 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 13.5

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.16 AU - 1.42 AU

Year: 977 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,669,326 km

• M1: 168,148 km (0.093 R)
• M2: 669,151 km (0.083 R)
• M3: 1,106,276 km (0.117 R)
• M4: 1,648,868 km (0.103 R)
• M5: 2,163,634 km (0.105 R)
• M6: 2,718,193 km (0.042 R)
• M7: 3,855,736 km (0.087 R)
• M8: 6,127,828 km (0.05 R)
• M9: 7,652,081 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 15

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.19 AU - 1.75 AU

Year: 1189 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,669,326 km

• M1: 186,549 km (0.11 R)
• M2: 699,819 km (0.102 R)
• M3: 1,224,010 km (0.085 R)
• M4: 1,764,507 km (0.078 R)
• M5: 2,313,980 km (0.103 R)
• M6: 3,334,686 km (0.049 R)
• M7: 3,882,663 km (0.083 R)
• M8: 4,732,529 km (0.049 R)
• M9: 5,202,565 km (0.102 R)
• M10: 6,078,311 km (0.113 R)
• M11: 6,828,544 km (0.046 R)
• M12: 8,600,382 km (0.111 R)
• M13: 9,578,153 km (0.079 R)
• M14: 11,720,245 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 10.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.93 AU - 2.71 AU

Year: 2356 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,669,326 km

• M1: 135,236 km (0.106 R)
• M2: 555,307 km (0.083 R)
• M3: 1,047,035 km (0.109 R)
• M4: 1,430,904 km (0.083 R)
• M5: 2,169,319 km (0.089 R)
• M6: 2,646,536 km (0.052 R)
• M7: 3,003,028 km (0.068 R)
• M8: 3,476,804 km (0.03 R)
• M9: 3,850,649 km (0.099 R)
• M10: 4,310,962 km (0.118 R)
• M11: 5,025,740 km (0.059 R)
• M12: 5,411,853 km (0.093 R)
• M13: 6,192,604 km (0.06 R)
• M14: 6,853,677 km (0.045 R)
• M15: 7,887,398 km (0.1 R)
• M16: 8,664,260 km (0.094 R)
• M17: 9,389,510 km (0.065 R)
• M18: 10,406,776 km (0.043 R)
• M19: 12,784,185 km (0.118 R)
• M20: 13,248,387 km (0.104 R)
• M21: 13,943,868 km (0.117 R)
• M22: 15,125,841 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.7

Radius: 7.2

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.17 AU - 7.83 AU

Year: 12350 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,669,326 km

• M1: 89,609 km (0.034 R)
• M2: 617,839 km (0.113 R)
• M3: 866,022 km (0.119 R)
• M4: 1,181,973 km (0.076 R)
• M5: 2,982,383 km (0.094 R)
• M6: 3,284,571 km (0.075 R)
• M7: 3,530,809 km (0.086 R)
• M8: 4,953,485 km (0.097 R)
• M9: 5,827,735 km (0.11 R)
• M10: 8,595,594 km (0.075 R)
• M11: 9,751,836 km (0.057 R)
• M12: 12,907,603 km (0.056 R)
• M13: 14,224,065 km (0.091 R)
• M14: 17,341,984 km (0.061 R)
• M15: 18,091,918 km (0.093 R)
• M16: 19,099,011 km (0.097 R)
• M17: 19,898,761 km (0.111 R)
• M18: 20,306,864 km (0.11 R)
• M19: 23,684,484 km (0.058 R)
• M20: 27,218,285 km (0.115 R)
• M21: 28,332,939 km (0.07 R)
• M22: 28,745,829 km (0.045 R)
• M23: 30,222,211 km (0.086 R)
• M24: 30,979,176 km (0.114 R)
• M25: 35,787,999 km (0.112 R)
• M26: 41,203,592 km (0.116 R)
• M27: 49,339,173 km (0.042 R)
• M28: 49,637,321 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.2

Radius: 7.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.23 AU - 10.21 AU

Year: 20208 Days

Day: 17.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,669,326 km

• M1: 90,806 km (0.059 R)
• M2: 375,939 km (0.119 R)
• M3: 603,328 km (0.062 R)
• M4: 1,003,503 km (0.082 R)
• M5: 1,390,363 km (0.098 R)
• M6: 2,426,777 km (0.077 R)
• M7: 3,260,037 km (0.111 R)
• M8: 4,111,548 km (0.072 R)
• M9: 6,895,863 km (0.08 R)
• M10: 7,589,998 km (0.113 R)
• M11: 14,722,076 km (0.119 R)
• M12: 16,667,596 km (0.05 R)
• M13: 17,076,447 km (0.118 R)
• M14: 17,631,755 km (0.072 R)
• M15: 18,487,305 km (0.117 R)
• M16: 19,444,881 km (0.047 R)
• M17: 20,127,047 km (0.11 R)
• M18: 21,379,032 km (0.11 R)
• M19: 23,352,976 km (0.115 R)
• M20: 23,693,460 km (0.118 R)
• M21: 26,629,468 km (0.069 R)
• M22: 35,514,535 km (0.116 R)
• M23: 37,338,581 km (0.096 R)
• M24: 39,224,113 km (0.115 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: 255 - 17,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit