🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 13.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,965,205 km

• M1: 164,109 km (0.089 R)
• M2: 579,542 km (0.073 R)
• M3: 1,178,233 km (0.053 R)
• M4: 1,770,042 km (0.057 R)
• M5: 2,235,890 km (0.105 R)
• M6: 3,564,468 km (0.029 R)
• M7: 4,019,096 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 12.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.2 AU - 1.44 AU

Year: 1011 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,965,205 km

• M1: 153,188 km (0.091 R)
• M2: 557,701 km (0.093 R)
• M3: 1,334,263 km (0.061 R)
• M4: 1,754,933 km (0.073 R)
• M5: 2,191,010 km (0.113 R)
• M6: 2,591,783 km (0.109 R)
• M7: 3,015,594 km (0.108 R)
• M8: 3,847,208 km (0.108 R)
• M9: 4,283,735 km (0.105 R)
• M10: 4,880,631 km (0.077 R)
• M11: 6,506,011 km (0.065 R)
• M12: 6,963,631 km (0.111 R)
• M13: 8,202,302 km (0.079 R)
• M14: 10,146,176 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 14.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.34 AU - 1.34 AU

Year: 1034 Days

Day: 9.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,965,205 km

• M1: 175,329 km (0.06 R)
• M2: 624,422 km (0.079 R)
• M3: 1,425,069 km (0.089 R)
• M4: 2,090,780 km (0.099 R)
• M5: 2,638,607 km (0.077 R)
• M6: 3,111,785 km (0.12 R)
• M7: 3,555,642 km (0.111 R)
• M8: 4,932,391 km (0.066 R)
• M9: 5,573,568 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 11.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.71 AU - 1.77 AU

Year: 1531 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,965,205 km

• M1: 144,212 km (0.048 R)
• M2: 777,161 km (0.081 R)
• M3: 1,226,254 km (0.088 R)
• M4: 2,007,903 km (0.111 R)
• M5: 3,436,562 km (0.118 R)
• M6: 4,491,377 km (0.073 R)
• M7: 5,075,706 km (0.103 R)
• M8: 5,892,062 km (0.054 R)
• M9: 6,861,755 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 12.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.95 AU - 2.29 AU

Year: 2058 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,965,205 km

• M1: 151,842 km (0.119 R)
• M2: 1,009,636 km (0.048 R)
• M3: 1,624,184 km (0.073 R)
• M4: 2,024,807 km (0.111 R)
• M5: 2,546,904 km (0.089 R)
• M6: 3,995,909 km (0.111 R)
• M7: 4,508,730 km (0.082 R)
• M8: 6,187,817 km (0.079 R)
• M9: 7,325,359 km (0.083 R)
• M10: 7,883,808 km (0.117 R)
• M11: 9,320,097 km (0.114 R)
• M12: 10,225,912 km (0.057 R)
• M13: 13,297,007 km (0.082 R)
• M14: 14,084,640 km (0.051 R)
• M15: 14,626,782 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 9.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.43 AU - 3.95 AU

Year: 3799 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,965,205 km

• M1: 115,490 km (0.065 R)
• M2: 401,820 km (0.091 R)
• M3: 689,048 km (0.073 R)
• M4: 2,398,054 km (0.078 R)
• M5: 3,792,605 km (0.073 R)
• M6: 4,760,354 km (0.099 R)
• M7: 5,997,678 km (0.105 R)
• M8: 6,829,891 km (0.111 R)
• M9: 8,010,517 km (0.074 R)
• M10: 9,360,488 km (0.116 R)
• M11: 11,549,704 km (0.06 R)
• M12: 12,365,162 km (0.115 R)
• M13: 15,042,066 km (0.067 R)
• M14: 15,361,607 km (0.071 R)
• M15: 19,243,971 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.73 AU - 4.09 AU

Year: 4199 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,965,205 km

• M1: 161,715 km (0.068 R)
• M2: 1,073,963 km (0.105 R)
• M3: 1,620,145 km (0.049 R)
• M4: 2,288,698 km (0.036 R)
• M5: 2,861,658 km (0.097 R)
• M6: 3,889,694 km (0.069 R)
• M7: 4,992,081 km (0.106 R)
• M8: 5,504,454 km (0.094 R)
• M9: 6,540,718 km (0.085 R)
• M10: 7,222,436 km (0.091 R)
• M11: 16,115,281 km (0.039 R)
• M12: 17,912,849 km (0.088 R)
• M13: 18,924,579 km (0.07 R)
• M14: 20,107,899 km (0.078 R)
• M15: 21,690,943 km (0.082 R)
• M16: 26,129,961 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 14.5

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.88 AU - 4.66 AU

Year: 5884 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,965,205 km

• M1: 180,565 km (0.04 R)
• M2: 667,356 km (0.097 R)
• M3: 1,142,778 km (0.036 R)
• M4: 2,175,153 km (0.069 R)
• M5: 2,874,822 km (0.115 R)
• M6: 4,145,806 km (0.116 R)
• M7: 4,987,593 km (0.099 R)
• M8: 5,735,134 km (0.116 R)
• M9: 6,305,251 km (0.091 R)
• M10: 7,316,981 km (0.087 R)
• M11: 8,548,172 km (0.036 R)
• M12: 10,826,847 km (0.09 R)
• M13: 12,374,586 km (0.074 R)
• M14: 13,381,829 km (0.101 R)
• M15: 14,226,458 km (0.091 R)
• M16: 15,275,439 km (0.099 R)
• M17: 16,673,281 km (0.083 R)
• M18: 17,589,418 km (0.062 R)
• M19: 18,155,048 km (0.107 R)
• M20: 18,732,795 km (0.101 R)
• M21: 21,521,449 km (0.086 R)
• M22: 22,168,908 km (0.063 R)
• M23: 26,822,150 km (0.044 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 9.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.07 AU - 5.53 AU

Year: 8137 Days

Day: 9.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,965,205 km

• M1: 120,576 km (0.101 R)
• M2: 446,400 km (0.108 R)
• M3: 1,771,987 km (0.106 R)
• M4: 2,221,678 km (0.088 R)
• M5: 2,556,478 km (0.12 R)
• M6: 3,197,804 km (0.11 R)
• M7: 3,627,000 km (0.109 R)
• M8: 3,967,784 km (0.114 R)
• M9: 5,905,526 km (0.079 R)
• M10: 7,136,267 km (0.086 R)
• M11: 7,713,117 km (0.07 R)
• M12: 8,362,521 km (0.032 R)
• M13: 10,578,963 km (0.097 R)
• M14: 13,561,496 km (0.073 R)
• M15: 13,911,106 km (0.119 R)
• M16: 15,244,771 km (0.075 R)
• M17: 17,470,638 km (0.053 R)
• M18: 18,164,622 km (0.082 R)
• M19: 19,533,592 km (0.049 R)
• M20: 20,205,436 km (0.098 R)
• M21: 20,815,646 km (0.119 R)
• M22: 23,882,851 km (0.11 R)
• M23: 28,933,575 km (0.034 R)
• M24: 30,200,220 km (0.091 R)
• M25: 31,098,555 km (0.065 R)
• M26: 32,117,466 km (0.09 R)
• M27: 36,416,610 km (0.074 R)
• M28: 39,054,619 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.2

Radius: 7.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.55 AU - 8.01 AU

Year: 14471 Days

Day: 17.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,965,205 km

• M1: 95,743 km (0.105 R)
• M2: 382,671 km (0.079 R)
• M3: 739,163 km (0.116 R)
• M4: 1,188,705 km (0.099 R)
• M5: 2,112,771 km (0.12 R)
• M6: 3,475,009 km (0.052 R)
• M7: 4,669,698 km (0.05 R)
• M8: 5,047,133 km (0.081 R)
• M9: 5,343,486 km (0.093 R)
• M10: 8,375,835 km (0.058 R)
• M11: 9,566,036 km (0.066 R)
• M12: 10,072,425 km (0.114 R)
• M13: 10,437,443 km (0.103 R)
• M14: 10,703,428 km (0.047 R)
• M15: 12,337,037 km (0.118 R)
• M16: 13,244,199 km (0.102 R)
• M17: 13,619,241 km (0.103 R)
• M18: 21,299,745 km (0.106 R)
• M19: 23,138,901 km (0.105 R)
• M20: 27,633,569 km (0.047 R)
• M21: 28,041,074 km (0.098 R)
• M22: 31,446,370 km (0.071 R)
• M23: 33,478,059 km (0.113 R)
• M24: 36,687,382 km (0.105 R)
• M25: 39,578,211 km (0.109 R)
• M26: 40,487,317 km (0.075 R)
• M27: 43,161,379 km (0.051 R)
• M28: 43,435,143 km (0.104 R)
• M29: 44,821,018 km (0.114 R)
• M30: 45,666,695 km (0.108 R)
• M31: 47,973,644 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 13,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit