🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 13.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.6 AU - 0.62 AU

Year: 318 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,281,400 km

• M1: 171,589 km (0.104 R)
• M2: 616,942 km (0.12 R)
• M3: 1,225,655 km (0.104 R)
• M4: 1,866,832 km (0.053 R)
• M5: 2,983,580 km (0.118 R)
• M6: 3,495,803 km (0.106 R)
• M7: 4,078,636 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 11.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.63 AU - 1.01 AU

Year: 495 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 164.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,281,400 km

• M1: 143,016 km (0.102 R)
• M2: 571,763 km (0.089 R)
• M3: 936,183 km (0.079 R)
• M4: 1,396,347 km (0.088 R)
• M5: 2,194,302 km (0.076 R)
• M6: 2,586,248 km (0.081 R)
• M7: 2,993,902 km (0.091 R)
• M8: 3,467,529 km (0.066 R)
• M9: 4,225,392 km (0.12 R)
• M10: 4,665,359 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 12.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.86 AU - 1.04 AU

Year: 617 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,281,400 km

• M1: 154,235 km (0.092 R)
• M2: 614,548 km (0.093 R)
• M3: 1,017,415 km (0.07 R)
• M4: 1,447,359 km (0.113 R)
• M5: 1,910,066 km (0.075 R)
• M6: 2,530,747 km (0.105 R)
• M7: 2,916,859 km (0.116 R)
• M8: 3,342,615 km (0.087 R)
• M9: 3,970,926 km (0.099 R)
• M10: 4,601,032 km (0.106 R)
• M11: 5,758,022 km (0.106 R)
• M12: 6,433,456 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 13

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.21 AU - 1.25 AU

Year: 910 Days

Day: 5.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,281,400 km

• M1: 161,715 km (0.073 R)
• M2: 1,260,063 km (0.032 R)
• M3: 1,945,072 km (0.119 R)
• M4: 2,995,847 km (0.105 R)
• M5: 4,129,948 km (0.097 R)
• M6: 4,867,915 km (0.1 R)
• M7: 5,532,129 km (0.078 R)
• M8: 6,879,856 km (0.066 R)
• M9: 9,396,242 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 9.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.53 AU - 1.71 AU

Year: 1375 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,281,400 km

• M1: 119,379 km (0.117 R)
• M2: 456,423 km (0.057 R)
• M3: 864,526 km (0.075 R)
• M4: 1,301,501 km (0.098 R)
• M5: 1,600,697 km (0.106 R)
• M6: 1,946,567 km (0.043 R)
• M7: 2,300,666 km (0.115 R)
• M8: 2,662,842 km (0.115 R)
• M9: 3,475,607 km (0.089 R)
• M10: 4,171,537 km (0.097 R)
• M11: 5,136,892 km (0.034 R)
• M12: 5,489,943 km (0.109 R)
• M13: 5,978,978 km (0.082 R)
• M14: 6,582,606 km (0.11 R)
• M15: 7,089,742 km (0.12 R)
• M16: 7,694,118 km (0.076 R)
• M17: 8,182,256 km (0.112 R)
• M18: 8,664,858 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 10.4

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.55 AU - 1.85 AU

Year: 1478 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,281,400 km

• M1: 129,701 km (0.086 R)
• M2: 465,848 km (0.118 R)
• M3: 927,058 km (0.109 R)
• M4: 1,390,363 km (0.115 R)
• M5: 2,071,631 km (0.078 R)
• M6: 2,579,217 km (0.075 R)
• M7: 4,654,588 km (0.116 R)
• M8: 5,959,830 km (0.025 R)
• M9: 6,990,858 km (0.07 R)
• M10: 7,467,627 km (0.097 R)
• M11: 7,825,165 km (0.094 R)
• M12: 8,664,559 km (0.105 R)
• M13: 9,435,437 km (0.088 R)
• M14: 12,098,279 km (0.106 R)
• M15: 13,581,392 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 8.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.12 AU - 2.92 AU

Year: 2668 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,281,400 km

• M1: 104,569 km (0.117 R)
• M2: 971,788 km (0.11 R)
• M3: 1,469,799 km (0.119 R)
• M4: 2,059,963 km (0.076 R)
• M5: 2,592,830 km (0.095 R)
• M6: 3,808,911 km (0.081 R)
• M7: 4,169,592 km (0.105 R)
• M8: 5,150,206 km (0.041 R)
• M9: 5,845,537 km (0.098 R)
• M10: 6,203,674 km (0.113 R)
• M11: 8,102,370 km (0.052 R)
• M12: 8,487,884 km (0.119 R)
• M13: 9,884,231 km (0.081 R)
• M14: 14,332,224 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 10

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.88 AU - 5.24 AU

Year: 7590 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,281,400 km

• M1: 125,662 km (0.108 R)
• M2: 623,374 km (0.11 R)
• M3: 1,153,998 km (0.067 R)
• M4: 2,640,851 km (0.073 R)
• M5: 3,332,442 km (0.072 R)
• M6: 4,020,892 km (0.106 R)
• M7: 4,411,940 km (0.036 R)
• M8: 5,954,145 km (0.064 R)
• M9: 7,281,976 km (0.069 R)
• M10: 7,864,958 km (0.045 R)
• M11: 8,919,175 km (0.089 R)
• M12: 11,988,624 km (0.065 R)
• M13: 12,801,987 km (0.097 R)
• M14: 14,765,908 km (0.052 R)
• M15: 16,303,774 km (0.091 R)
• M16: 17,111,603 km (0.055 R)
• M17: 19,009,551 km (0.065 R)
• M18: 22,833,871 km (0.064 R)
• M19: 23,844,853 km (0.095 R)
• M20: 24,241,437 km (0.113 R)
• M21: 28,012,052 km (0.108 R)
• M22: 28,810,605 km (0.05 R)
• M23: 29,442,058 km (0.094 R)
• M24: 29,990,484 km (0.069 R)
• M25: 30,452,891 km (0.051 R)
• M26: 31,391,767 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.1

Radius: 6.7

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.73 AU - 9.99 AU

Year: 17587 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,281,400 km

• M1: 86,318 km (0.088 R)
• M2: 331,210 km (0.043 R)
• M3: 558,000 km (0.049 R)
• M4: 850,763 km (0.11 R)
• M5: 1,088,773 km (0.083 R)
• M6: 1,602,642 km (0.065 R)
• M7: 2,205,521 km (0.114 R)
• M8: 2,616,018 km (0.058 R)
• M9: 4,381,123 km (0.092 R)
• M10: 5,210,943 km (0.111 R)
• M11: 6,908,130 km (0.042 R)
• M12: 8,891,200 km (0.105 R)
• M13: 9,263,998 km (0.098 R)
• M14: 9,481,663 km (0.105 R)
• M15: 9,758,718 km (0.093 R)
• M16: 12,632,493 km (0.1 R)
• M17: 13,868,171 km (0.073 R)
• M18: 16,339,528 km (0.101 R)
• M19: 18,482,518 km (0.097 R)
• M20: 22,918,244 km (0.059 R)
• M21: 24,541,381 km (0.096 R)
• M22: 30,946,713 km (0.086 R)
• M23: 32,926,791 km (0.066 R)
• M24: 34,858,249 km (0.117 R)
• M25: 40,520,678 km (0.12 R)
• M26: 42,436,727 km (0.082 R)
• M27: 43,038,111 km (0.114 R)
• M28: 45,344,311 km (0.077 R)
• M29: 49,534,548 km (0.083 R)
• M30: 55,215,377 km (0.072 R)
• M31: 57,751,061 km (0.074 R)
• M32: 59,985,605 km (0.075 R)
• M33: 60,553,029 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.1

Radius: 5.2

Gravity: 28.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.08 AU - 10.54 AU

Year: 22076 Days

Day: 19.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,281,400 km

• M1: 64,776 km (0.091 R)
• M2: 281,244 km (0.085 R)
• M3: 563,984 km (0.058 R)
• M4: 844,630 km (0.118 R)
• M5: 1,273,078 km (0.111 R)
• M6: 1,703,920 km (0.109 R)
• M7: 2,876,318 km (0.048 R)
• M8: 4,092,998 km (0.094 R)
• M9: 6,171,361 km (0.056 R)
• M10: 11,567,955 km (0.116 R)
• M11: 11,770,061 km (0.095 R)
• M12: 12,112,341 km (0.109 R)
• M13: 12,320,881 km (0.104 R)
• M14: 12,816,648 km (0.117 R)
• M15: 13,548,032 km (0.09 R)
• M16: 13,848,125 km (0.029 R)
• M17: 15,743,231 km (0.059 R)
• M18: 18,164,622 km (0.108 R)
• M19: 18,621,793 km (0.111 R)
• M20: 23,514,392 km (0.085 R)
• M21: 26,662,081 km (0.03 R)
• M22: 32,691,922 km (0.079 R)
• M23: 33,231,970 km (0.074 R)
• M24: 35,451,703 km (0.082 R)
• M25: 38,362,728 km (0.112 R)
• M26: 40,803,418 km (0.069 R)
• M27: 44,820,868 km (0.057 R)
• M28: 48,392,966 km (0.113 R)
• M29: 50,516,957 km (0.026 R)
• M30: 50,876,889 km (0.117 R)
• M31: 55,713,089 km (0.106 R)
• M32: 57,456,054 km (0.072 R)
• M33: 65,857,321 km (0.118 R)
• M34: 70,461,195 km (0.072 R)
• M35: 71,135,882 km (0.067 R)
• M36: 72,498,270 km (0.069 R)
• M37: 73,416,053 km (0.063 R)
• M38: 73,877,861 km (0.227 R)
• M39: 74,807,313 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,226 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit