🌌 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: 625

Radius: 10.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.54 AU - 0.72 AU

Year: 345 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,754,418 km

• M1: 131,796 km (0.074 R)
• M2: 469,737 km (0.059 R)
• M3: 1,082,341 km (0.103 R)
• M4: 1,568,085 km (0.079 R)
• M5: 2,059,813 km (0.054 R)
• M6: 2,461,035 km (0.115 R)
• M7: 2,954,558 km (0.036 R)
• M8: 3,794,251 km (0.107 R)
• M9: 4,375,588 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 14.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.91 AU - 1.37 AU

Year: 840 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,754,418 km

• M1: 186,549 km (0.074 R)
• M2: 659,278 km (0.086 R)
• M3: 1,189,901 km (0.071 R)
• M4: 1,732,343 km (0.113 R)
• M5: 2,201,033 km (0.072 R)
• M6: 2,666,283 km (0.118 R)
• M7: 3,929,786 km (0.119 R)
• M8: 4,462,355 km (0.107 R)
• M9: 4,974,129 km (0.077 R)
• M10: 5,470,196 km (0.12 R)
• M11: 6,276,678 km (0.08 R)
• M12: 7,095,277 km (0.118 R)
• M13: 7,610,792 km (0.091 R)
• M14: 8,272,164 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 11.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.16 AU - 1.22 AU

Year: 896 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,754,418 km

• M1: 141,819 km (0.102 R)
• M2: 595,848 km (0.044 R)
• M3: 988,244 km (0.088 R)
• M4: 1,457,981 km (0.102 R)
• M5: 1,922,333 km (0.08 R)
• M6: 2,289,296 km (0.114 R)
• M7: 2,727,319 km (0.114 R)
• M8: 3,194,363 km (0.089 R)
• M9: 3,568,657 km (0.072 R)
• M10: 4,241,997 km (0.073 R)
• M11: 4,836,649 km (0.103 R)
• M12: 5,294,867 km (0.12 R)
• M13: 5,943,972 km (0.088 R)
• M14: 6,427,173 km (0.088 R)
• M15: 7,259,835 km (0.074 R)
• M16: 8,814,157 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 12

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.5 AU - 1.96 AU

Year: 1571 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,754,418 km

• M1: 149,299 km (0.069 R)
• M2: 640,279 km (0.104 R)
• M3: 1,048,083 km (0.107 R)
• M4: 1,581,100 km (0.08 R)
• M5: 2,727,917 km (0.06 R)
• M6: 3,527,219 km (0.102 R)
• M7: 3,939,510 km (0.087 R)
• M8: 4,763,495 km (0.117 R)
• M9: 6,129,174 km (0.026 R)
• M10: 6,953,459 km (0.068 R)
• M11: 12,038,589 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 10.8

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.75 AU - 2.31 AU

Year: 1996 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,754,418 km

• M1: 134,339 km (0.12 R)
• M2: 542,741 km (0.117 R)
• M3: 1,044,343 km (0.102 R)
• M4: 1,845,589 km (0.108 R)
• M5: 2,782,969 km (0.033 R)
• M6: 3,230,716 km (0.082 R)
• M7: 3,689,233 km (0.047 R)
• M8: 4,479,409 km (0.068 R)
• M9: 6,181,982 km (0.035 R)
• M10: 7,149,731 km (0.111 R)
• M11: 8,376,134 km (0.074 R)
• M12: 12,636,981 km (0.11 R)
• M13: 14,052,925 km (0.103 R)
• M14: 15,670,078 km (0.028 R)
• M15: 16,988,035 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 9.4

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.15 AU - 2.39 AU

Year: 2361 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,754,418 km

• M1: 124,914 km (0.063 R)
• M2: 428,448 km (0.073 R)
• M3: 773,571 km (0.093 R)
• M4: 1,282,203 km (0.082 R)
• M5: 1,751,791 km (0.091 R)
• M6: 2,117,558 km (0.069 R)
• M7: 2,608,688 km (0.11 R)
• M8: 3,859,027 km (0.054 R)
• M9: 4,594,300 km (0.101 R)
• M10: 4,960,217 km (0.111 R)
• M11: 5,395,098 km (0.111 R)
• M12: 6,014,433 km (0.082 R)
• M13: 6,397,254 km (0.106 R)
• M14: 6,796,082 km (0.083 R)
• M15: 7,707,133 km (0.105 R)
• M16: 8,870,406 km (0.054 R)
• M17: 9,659,235 km (0.031 R)
• M18: 12,005,528 km (0.077 R)
• M19: 14,175,745 km (0.074 R)
• M20: 14,953,953 km (0.096 R)
• M21: 17,404,815 km (0.048 R)
• M22: 17,791,525 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 8.2

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.21 AU - 3.35 AU

Year: 4100 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,754,418 km

• M1: 102,325 km (0.111 R)
• M2: 455,974 km (0.114 R)
• M3: 791,522 km (0.092 R)
• M4: 1,376,600 km (0.06 R)
• M5: 1,643,931 km (0.115 R)
• M6: 2,396,707 km (0.118 R)
• M7: 3,590,947 km (0.063 R)
• M8: 6,310,637 km (0.092 R)
• M9: 6,596,668 km (0.1 R)
• M10: 14,035,571 km (0.104 R)
• M11: 15,999,343 km (0.028 R)
• M12: 16,652,637 km (0.106 R)
• M13: 19,377,711 km (0.105 R)
• M14: 20,188,233 km (0.026 R)
• M15: 21,091,654 km (0.085 R)
• M16: 21,446,201 km (0.109 R)
• M17: 22,755,631 km (0.087 R)
• M18: 23,278,925 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.9

Radius: 13.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.39 AU - 4.33 AU

Year: 5235 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,754,418 km

• M1: 164,258 km (0.09 R)
• M2: 668,702 km (0.105 R)
• M3: 1,106,875 km (0.096 R)
• M4: 1,595,012 km (0.072 R)
• M5: 2,314,578 km (0.074 R)
• M6: 2,834,431 km (0.067 R)
• M7: 3,490,268 km (0.074 R)
• M8: 3,939,510 km (0.067 R)
• M9: 4,686,602 km (0.102 R)
• M10: 6,025,054 km (0.118 R)
• M11: 7,471,516 km (0.106 R)
• M12: 8,152,934 km (0.051 R)
• M13: 9,025,090 km (0.116 R)
• M14: 11,214,455 km (0.059 R)
• M15: 12,339,730 km (0.12 R)
• M16: 12,810,365 km (0.087 R)
• M17: 14,709,360 km (0.097 R)
• M18: 16,056,938 km (0.106 R)
• M19: 18,504,060 km (0.079 R)
• M20: 20,923,805 km (0.108 R)
• M21: 21,526,386 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.4

Radius: 6.8

Gravity: 21.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.77 AU - 8.25 AU

Year: 14206 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,754,418 km

• M1: 84,523 km (0.117 R)
• M2: 301,141 km (0.054 R)
• M3: 559,646 km (0.096 R)
• M4: 830,567 km (0.045 R)
• M5: 2,277,029 km (0.108 R)
• M6: 2,534,637 km (0.108 R)
• M7: 4,005,633 km (0.085 R)
• M8: 4,318,442 km (0.099 R)
• M9: 4,783,542 km (0.043 R)
• M10: 5,281,403 km (0.102 R)
• M11: 7,073,137 km (0.104 R)
• M12: 7,624,555 km (0.069 R)
• M13: 8,606,814 km (0.038 R)
• M14: 13,525,143 km (0.048 R)
• M15: 18,464,566 km (0.106 R)
• M16: 21,239,606 km (0.069 R)
• M17: 22,873,514 km (0.108 R)
• M18: 25,532,018 km (0.092 R)
• M19: 28,389,637 km (0.079 R)
• M20: 30,847,829 km (0.07 R)
• M21: 31,820,514 km (0.117 R)
• M22: 33,317,690 km (0.116 R)
• M23: 34,212,435 km (0.118 R)
• M24: 42,697,925 km (0.073 R)
• M25: 44,671,271 km (0.087 R)
• M26: 45,290,606 km (0.057 R)
• M27: 46,072,703 km (0.087 R)
• M28: 52,142,338 km (0.119 R)
• M29: 56,712,403 km (0.036 R)
• M30: 61,924,991 km (0.107 R)
• M31: 65,240,679 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.1

Radius: 3

Gravity: 40.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.4 AU - 10.3 AU

Year: 16655 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,754,418 km

• M1: 38,895 km (0.114 R)
• M2: 144,212 km (0.118 R)
• M3: 257,308 km (0.025 R)
• M4: 383,719 km (0.106 R)
• M5: 635,941 km (0.107 R)
• M6: 812,765 km (0.117 R)
• M7: 1,574,518 km (0.118 R)
• M8: 2,444,130 km (0.088 R)
• M9: 3,111,486 km (0.103 R)
• M10: 3,460,947 km (0.063 R)
• M11: 4,357,487 km (0.112 R)
• M12: 4,924,313 km (0.119 R)
• M13: 6,164,479 km (0.116 R)
• M14: 8,463,200 km (0.097 R)
• M15: 9,041,845 km (0.109 R)
• M16: 9,595,058 km (0.09 R)
• M17: 13,460,218 km (0.08 R)
• M18: 14,047,539 km (0.117 R)
• M19: 15,483,978 km (0.103 R)
• M20: 19,538,529 km (0.074 R)
• M21: 19,787,161 km (0.079 R)
• M22: 19,953,962 km (0.03 R)
• M23: 20,716,762 km (0.028 R)
• M24: 21,235,867 km (0.107 R)
• M25: 26,304,242 km (0.05 R)
• M26: 27,117,606 km (0.113 R)
• M27: 30,985,758 km (0.086 R)
• M28: 34,357,096 km (0.097 R)
• M29: 39,660,789 km (0.097 R)
• M30: 41,543,029 km (0.065 R)
• M31: 42,644,818 km (0.106 R)
• M32: 45,921,011 km (0.108 R)
• M33: 46,950,394 km (0.086 R)
• M34: 48,447,570 km (0.079 R)
• M35: 49,207,826 km (0.038 R)
• M36: 51,852,567 km (0.104 R)
• M37: 54,100,424 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit