🌌 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: 564.6

Radius: 13.4

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.78 AU - 1.26 AU

Year: 711 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,153,638 km

• M1: 166,652 km (0.114 R)
• M2: 920,625 km (0.103 R)
• M3: 1,520,662 km (0.093 R)
• M4: 2,080,757 km (0.066 R)
• M5: 2,550,195 km (0.057 R)
• M6: 3,466,482 km (0.087 R)
• M7: 3,901,812 km (0.091 R)
• M8: 4,358,384 km (0.094 R)
• M9: 5,523,004 km (0.113 R)
• M10: 5,986,009 km (0.092 R)
• M11: 6,719,338 km (0.08 R)
• M12: 7,269,858 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 14.8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.22 AU - 1.68 AU

Year: 1205 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,153,638 km

• M1: 184,005 km (0.118 R)
• M2: 673,639 km (0.086 R)
• M3: 1,225,356 km (0.101 R)
• M4: 2,017,327 km (0.068 R)
• M5: 2,617,963 km (0.085 R)
• M6: 3,288,610 km (0.105 R)
• M7: 3,838,382 km (0.114 R)
• M8: 4,404,760 km (0.085 R)
• M9: 5,258,066 km (0.091 R)
• M10: 5,796,319 km (0.045 R)
• M11: 6,802,514 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 9.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.76 AU - 2.42 AU

Year: 2086 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,153,638 km

• M1: 123,418 km (0.094 R)
• M2: 512,522 km (0.047 R)
• M3: 1,298,659 km (0.118 R)
• M4: 1,855,313 km (0.098 R)
• M5: 2,460,586 km (0.093 R)
• M6: 3,223,385 km (0.029 R)
• M7: 3,745,482 km (0.111 R)
• M8: 4,399,225 km (0.067 R)
• M9: 6,052,281 km (0.077 R)
• M10: 6,542,064 km (0.069 R)
• M11: 7,435,313 km (0.111 R)
• M12: 8,026,375 km (0.088 R)
• M13: 8,437,619 km (0.084 R)
• M14: 9,080,740 km (0.119 R)
• M15: 12,252,066 km (0.109 R)
• M16: 13,278,756 km (0.113 R)
• M17: 13,896,595 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 11

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.15 AU - 2.63 AU

Year: 2550 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,153,638 km

• M1: 136,882 km (0.104 R)
• M2: 790,026 km (0.034 R)
• M3: 1,327,232 km (0.119 R)
• M4: 1,794,127 km (0.083 R)
• M5: 2,231,551 km (0.098 R)
• M6: 3,910,040 km (0.097 R)
• M7: 4,475,220 km (0.114 R)
• M8: 5,118,042 km (0.111 R)
• M9: 5,743,212 km (0.036 R)
• M10: 7,576,833 km (0.115 R)
• M11: 8,255,858 km (0.038 R)
• M12: 9,772,331 km (0.117 R)
• M13: 10,265,406 km (0.055 R)
• M14: 12,015,551 km (0.105 R)
• M15: 12,894,140 km (0.055 R)
• M16: 14,877,658 km (0.119 R)
• M17: 15,530,952 km (0.068 R)
• M18: 16,203,095 km (0.112 R)
• M19: 17,220,360 km (0.091 R)
• M20: 19,263,867 km (0.09 R)
• M21: 20,774,806 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 8.6

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.31 AU - 2.95 AU

Year: 2944 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,153,638 km

• M1: 106,962 km (0.086 R)
• M2: 593,156 km (0.079 R)
• M3: 904,918 km (0.09 R)
• M4: 1,602,193 km (0.071 R)
• M5: 2,132,817 km (0.06 R)
• M6: 2,454,303 km (0.065 R)
• M7: 2,792,095 km (0.083 R)
• M8: 3,231,314 km (0.104 R)
• M9: 3,976,162 km (0.119 R)
• M10: 4,334,598 km (0.082 R)
• M11: 5,239,516 km (0.06 R)
• M12: 5,936,044 km (0.107 R)
• M13: 6,929,373 km (0.084 R)
• M14: 8,603,972 km (0.085 R)
• M15: 9,424,666 km (0.036 R)
• M16: 9,949,006 km (0.104 R)
• M17: 11,639,762 km (0.103 R)
• M18: 13,702,267 km (0.114 R)
• M19: 14,326,689 km (0.04 R)
• M20: 15,683,990 km (0.084 R)
• M21: 17,070,164 km (0.099 R)
• M22: 20,084,561 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 11.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.58 AU - 4.04 AU

Year: 4157 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,153,638 km

• M1: 147,952 km (0.095 R)
• M2: 665,112 km (0.092 R)
• M3: 1,387,520 km (0.094 R)
• M4: 1,885,083 km (0.077 R)
• M5: 2,891,428 km (0.079 R)
• M6: 3,524,825 km (0.115 R)
• M7: 4,087,463 km (0.108 R)
• M8: 5,149,009 km (0.092 R)
• M9: 6,202,328 km (0.103 R)
• M10: 6,764,217 km (0.089 R)
• M11: 11,742,535 km (0.113 R)
• M12: 12,899,974 km (0.076 R)
• M13: 14,559,762 km (0.088 R)
• M14: 20,593,194 km (0.114 R)
• M15: 22,129,863 km (0.119 R)
• M16: 23,891,977 km (0.097 R)
• M17: 28,027,460 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 9.5

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.93 AU - 4.41 AU

Year: 4853 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,153,638 km

• M1: 118,631 km (0.095 R)
• M2: 441,613 km (0.051 R)
• M3: 741,257 km (0.111 R)
• M4: 1,429,557 km (0.109 R)
• M5: 1,996,234 km (0.118 R)
• M6: 2,497,536 km (0.101 R)
• M7: 3,597,679 km (0.103 R)
• M8: 5,385,673 km (0.107 R)
• M9: 5,981,521 km (0.108 R)
• M10: 6,620,603 km (0.105 R)
• M11: 7,164,092 km (0.115 R)
• M12: 7,737,052 km (0.115 R)
• M13: 8,495,962 km (0.092 R)
• M14: 8,812,960 km (0.102 R)
• M15: 10,885,040 km (0.087 R)
• M16: 12,792,413 km (0.117 R)
• M17: 13,475,028 km (0.084 R)
• M18: 13,798,160 km (0.078 R)
• M19: 14,181,729 km (0.114 R)
• M20: 15,142,895 km (0.105 R)
• M21: 15,669,031 km (0.075 R)
• M22: 16,572,901 km (0.106 R)
• M23: 17,896,244 km (0.073 R)
• M24: 19,424,984 km (0.093 R)
• M25: 19,837,725 km (0.097 R)
• M26: 26,499,168 km (0.116 R)
• M27: 27,607,689 km (0.102 R)
• M28: 29,373,093 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 12.5

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.09 AU - 4.93 AU

Year: 6611 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,153,638 km

• M1: 158,125 km (0.078 R)
• M2: 654,341 km (0.068 R)
• M3: 1,124,677 km (0.077 R)
• M4: 1,669,363 km (0.111 R)
• M5: 3,941,605 km (0.096 R)
• M6: 5,467,204 km (0.112 R)
• M7: 8,072,451 km (0.106 R)
• M8: 9,370,362 km (0.115 R)
• M9: 10,261,516 km (0.083 R)
• M10: 10,802,911 km (0.109 R)
• M11: 11,415,066 km (0.106 R)
• M12: 12,652,988 km (0.099 R)
• M13: 13,104,025 km (0.08 R)
• M14: 14,158,242 km (0.083 R)
• M15: 17,245,493 km (0.082 R)
• M16: 18,800,413 km (0.084 R)
• M17: 23,598,615 km (0.114 R)
• M18: 24,024,820 km (0.11 R)
• M19: 28,478,348 km (0.102 R)
• M20: 29,548,871 km (0.059 R)
• M21: 30,143,971 km (0.096 R)
• M22: 33,453,973 km (0.082 R)
• M23: 34,865,429 km (0.075 R)
• M24: 36,090,337 km (0.051 R)
• M25: 36,999,144 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.2

Radius: 12.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.36 AU - 5.26 AU

Year: 7282 Days

Day: 14.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,153,638 km

• M1: 156,779 km (0.094 R)
• M2: 628,760 km (0.085 R)
• M3: 1,100,442 km (0.06 R)
• M4: 1,533,079 km (0.096 R)
• M5: 2,081,056 km (0.104 R)
• M6: 2,535,086 km (0.083 R)
• M7: 3,764,481 km (0.034 R)
• M8: 4,158,522 km (0.077 R)
• M9: 9,963,368 km (0.12 R)
• M10: 14,039,311 km (0.063 R)
• M11: 16,509,322 km (0.092 R)
• M12: 22,294,571 km (0.056 R)
• M13: 30,077,998 km (0.069 R)
• M14: 30,666,516 km (0.1 R)
• M15: 34,042,342 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.8

Radius: 6.9

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.74 AU - 10.48 AU

Year: 17439 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,153,638 km

• M1: 91,105 km (0.096 R)
• M2: 565,630 km (0.096 R)
• M3: 1,453,792 km (0.116 R)
• M4: 1,765,853 km (0.118 R)
• M5: 2,953,660 km (0.114 R)
• M6: 3,211,866 km (0.11 R)
• M7: 3,685,643 km (0.094 R)
• M8: 4,078,487 km (0.063 R)
• M9: 7,511,459 km (0.072 R)
• M10: 12,566,520 km (0.115 R)
• M11: 15,436,406 km (0.073 R)
• M12: 16,376,030 km (0.117 R)
• M13: 16,616,733 km (0.112 R)
• M14: 16,941,510 km (0.105 R)
• M15: 17,519,706 km (0.076 R)
• M16: 18,111,216 km (0.046 R)
• M17: 24,671,681 km (0.094 R)
• M18: 26,281,504 km (0.101 R)
• M19: 33,681,661 km (0.106 R)
• M20: 34,463,909 km (0.116 R)
• M21: 36,472,559 km (0.09 R)
• M22: 37,994,269 km (0.101 R)
• M23: 44,505,067 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 15,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit