🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 11.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,065,440 km

• M1: 168,896 km (0.118 R)
• M2: 531,521 km (0.093 R)
• M3: 811,120 km (0.113 R)
• M4: 1,037,910 km (0.093 R)
• M5: 1,275,172 km (0.071 R)
• M6: 1,510,490 km (0.068 R)
• M7: 2,030,342 km (0.099 R)
• M8: 2,508,756 km (0.085 R)
• M9: 3,077,079 km (0.081 R)
• M10: 3,682,501 km (0.108 R)
• M11: 4,031,513 km (0.053 R)
• M12: 4,519,352 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 10.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.67 AU - 0.79 AU

Year: 423 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,065,440 km

• M1: 128,056 km (0.072 R)
• M2: 348,413 km (0.105 R)
• M3: 554,859 km (0.097 R)
• M4: 899,233 km (0.066 R)
• M5: 1,091,765 km (0.087 R)
• M6: 1,301,950 km (0.054 R)
• M7: 1,689,110 km (0.08 R)
• M8: 1,882,091 km (0.101 R)
• M9: 2,126,534 km (0.045 R)
• M10: 2,338,813 km (0.052 R)
• M11: 2,617,664 km (0.063 R)
• M12: 2,824,557 km (0.084 R)
• M13: 3,119,564 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 9.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,065,440 km

• M1: 122,072 km (0.069 R)
• M2: 370,255 km (0.118 R)
• M3: 622,626 km (0.111 R)
• M4: 886,816 km (0.084 R)
• M5: 1,092,214 km (0.092 R)
• M6: 1,332,468 km (0.113 R)
• M7: 1,867,580 km (0.057 R)
• M8: 2,065,498 km (0.065 R)
• M9: 2,399,999 km (0.118 R)
• M10: 2,632,773 km (0.08 R)
• M11: 2,955,456 km (0.061 R)
• M12: 3,231,015 km (0.095 R)
• M13: 3,484,733 km (0.096 R)
• M14: 3,668,140 km (0.073 R)
• M15: 3,975,563 km (0.061 R)
• M16: 4,171,985 km (0.042 R)
• M17: 4,709,042 km (0.072 R)
• M18: 5,408,561 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 14.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.67 AU - 0.99 AU

Year: 513 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,065,440 km

• M1: 185,651 km (0.03 R)
• M2: 487,240 km (0.108 R)
• M3: 769,382 km (0.112 R)
• M4: 1,104,331 km (0.034 R)
• M5: 1,520,214 km (0.104 R)
• M6: 2,118,904 km (0.07 R)
• M7: 2,446,224 km (0.103 R)
• M8: 2,769,805 km (0.112 R)
• M9: 3,240,140 km (0.115 R)
• M10: 3,622,961 km (0.049 R)
• M11: 4,010,569 km (0.107 R)
• M12: 4,390,997 km (0.097 R)
• M13: 5,135,396 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 9.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.07 AU - 1.21 AU

Year: 826 Days

Day: 6.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,065,440 km

• M1: 126,709 km (0.12 R)
• M2: 336,146 km (0.108 R)
• M3: 603,627 km (0.058 R)
• M4: 1,028,186 km (0.093 R)
• M5: 1,249,890 km (0.088 R)
• M6: 1,935,348 km (0.116 R)
• M7: 2,378,905 km (0.099 R)
• M8: 2,826,502 km (0.103 R)
• M9: 3,163,097 km (0.111 R)
• M10: 3,730,223 km (0.097 R)
• M11: 3,947,589 km (0.026 R)
• M12: 4,312,907 km (0.084 R)
• M13: 4,603,426 km (0.053 R)
• M14: 5,033,669 km (0.074 R)
• M15: 5,521,059 km (0.095 R)
• M16: 5,722,567 km (0.098 R)
• M17: 6,057,667 km (0.085 R)
• M18: 6,375,562 km (0.046 R)
• M19: 6,729,511 km (0.092 R)
• M20: 6,924,137 km (0.029 R)
• M21: 7,192,666 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 13.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.17 AU - 1.39 AU

Year: 982 Days

Day: 5.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,065,440 km

• M1: 180,714 km (0.112 R)
• M2: 441,015 km (0.073 R)
• M3: 707,000 km (0.106 R)
• M4: 1,221,018 km (0.097 R)
• M5: 1,509,742 km (0.116 R)
• M6: 1,809,985 km (0.087 R)
• M7: 2,175,153 km (0.088 R)
• M8: 2,644,292 km (0.054 R)
• M9: 2,933,016 km (0.055 R)
• M10: 3,368,495 km (0.111 R)
• M11: 4,111,847 km (0.102 R)
• M12: 4,436,026 km (0.075 R)
• M13: 5,714,938 km (0.094 R)
• M14: 6,494,343 km (0.096 R)
• M15: 7,047,705 km (0.09 R)
• M16: 7,708,629 km (0.103 R)
• M17: 7,998,699 km (0.068 R)
• M18: 8,435,226 km (0.054 R)
• M19: 9,232,283 km (0.111 R)
• M20: 9,644,575 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.9

Radius: 12.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.12 AU - 2.16 AU

Year: 2123 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,065,440 km

• M1: 175,478 km (0.085 R)
• M2: 499,358 km (0.105 R)
• M3: 810,820 km (0.101 R)
• M4: 1,122,433 km (0.105 R)
• M5: 1,682,826 km (0.067 R)
• M6: 1,960,480 km (0.049 R)
• M7: 2,508,607 km (0.1 R)
• M8: 3,058,379 km (0.096 R)
• M9: 3,332,741 km (0.056 R)
• M10: 5,504,304 km (0.1 R)
• M11: 5,974,041 km (0.099 R)
• M12: 6,442,881 km (0.071 R)
• M13: 6,715,897 km (0.099 R)
• M14: 7,213,011 km (0.108 R)
• M15: 7,842,968 km (0.116 R)
• M16: 8,144,407 km (0.111 R)
• M17: 8,862,477 km (0.098 R)
• M18: 9,183,364 km (0.087 R)
• M19: 10,285,602 km (0.104 R)
• M20: 12,476,462 km (0.102 R)
• M21: 12,798,397 km (0.095 R)
• M22: 13,334,406 km (0.041 R)
• M23: 14,439,635 km (0.083 R)
• M24: 14,881,398 km (0.05 R)
• M25: 15,297,729 km (0.1 R)
• M26: 16,648,747 km (0.079 R)
• M27: 17,020,947 km (0.112 R)
• M28: 17,260,154 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 13.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.95 AU - 5.41 AU

Year: 6867 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 24,065,440 km

• M1: 182,210 km (0.084 R)
• M2: 535,710 km (0.044 R)
• M3: 2,399,101 km (0.115 R)
• M4: 3,200,347 km (0.045 R)
• M5: 3,635,827 km (0.081 R)
• M6: 3,934,574 km (0.11 R)
• M7: 4,696,775 km (0.096 R)
• M8: 5,726,756 km (0.111 R)
• M9: 6,341,155 km (0.094 R)
• M10: 7,900,264 km (0.054 R)
• M11: 8,834,353 km (0.086 R)
• M12: 9,412,997 km (0.066 R)
• M13: 10,010,342 km (0.1 R)
• M14: 10,431,908 km (0.069 R)
• M15: 10,704,775 km (0.097 R)
• M16: 11,790,706 km (0.107 R)
• M17: 14,167,666 km (0.076 R)
• M18: 14,486,011 km (0.066 R)
• M19: 14,854,171 km (0.08 R)
• M20: 16,569,161 km (0.1 R)
• M21: 22,624,284 km (0.071 R)
• M22: 24,138,364 km (0.11 R)
• M23: 26,192,642 km (0.041 R)
• M24: 28,139,359 km (0.112 R)
• M25: 28,782,331 km (0.073 R)
• M26: 29,498,007 km (0.086 R)
• M27: 30,355,203 km (0.046 R)
• M28: 31,765,911 km (0.063 R)
• M29: 32,724,385 km (0.109 R)
• M30: 35,613,568 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 9.4

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.3 AU - 6.36 AU

Year: 8346 Days

Day: 9.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 24,065,440 km

• M1: 130,150 km (0.056 R)
• M2: 381,475 km (0.091 R)
• M3: 1,189,453 km (0.073 R)
• M4: 2,314,279 km (0.085 R)
• M5: 2,712,209 km (0.064 R)
• M6: 3,581,822 km (0.103 R)
• M7: 3,943,549 km (0.097 R)
• M8: 5,258,664 km (0.088 R)
• M9: 5,601,842 km (0.118 R)
• M10: 5,793,776 km (0.076 R)
• M11: 5,989,001 km (0.117 R)
• M12: 6,767,658 km (0.081 R)
• M13: 8,122,117 km (0.12 R)
• M14: 8,431,486 km (0.108 R)
• M15: 8,866,516 km (0.105 R)
• M16: 9,394,746 km (0.083 R)
• M17: 10,938,596 km (0.055 R)
• M18: 11,525,319 km (0.092 R)
• M19: 12,889,801 km (0.11 R)
• M20: 13,084,129 km (0.105 R)
• M21: 13,725,605 km (0.115 R)
• M22: 19,474,501 km (0.115 R)
• M23: 20,014,250 km (0.043 R)
• M24: 20,317,336 km (0.067 R)
• M25: 20,684,000 km (0.085 R)
• M26: 21,053,956 km (0.092 R)
• M27: 21,615,247 km (0.056 R)
• M28: 22,695,493 km (0.084 R)
• M29: 23,605,048 km (0.045 R)
• M30: 25,614,596 km (0.044 R)
• M31: 30,624,180 km (0.103 R)
• M32: 31,908,627 km (0.108 R)
• M33: 32,214,705 km (0.069 R)
• M34: 32,908,689 km (0.086 R)
• M35: 34,715,831 km (0.068 R)
• M36: 35,195,293 km (0.118 R)
• M37: 38,475,824 km (0.118 R)
• M38: 41,553,501 km (0.073 R)
• M39: 43,225,856 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.6

Radius: 8.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.02 AU - 6.24 AU

Year: 9061 Days

Day: 14.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,065,440 km

• M1: 128,505 km (0.096 R)
• M2: 505,641 km (0.074 R)
• M3: 783,145 km (0.108 R)
• M4: 2,653,118 km (0.087 R)
• M5: 3,695,217 km (0.074 R)
• M6: 4,724,301 km (0.071 R)
• M7: 6,314,077 km (0.061 R)
• M8: 7,647,144 km (0.046 R)
• M9: 8,963,605 km (0.045 R)
• M10: 9,227,645 km (0.07 R)
• M11: 10,198,236 km (0.083 R)
• M12: 11,414,617 km (0.097 R)
• M13: 12,527,026 km (0.11 R)
• M14: 13,049,871 km (0.089 R)
• M15: 13,763,902 km (0.106 R)
• M16: 15,097,268 km (0.034 R)
• M17: 16,611,946 km (0.045 R)
• M18: 19,212,555 km (0.104 R)
• M19: 19,903,398 km (0.074 R)
• M20: 20,297,289 km (0.113 R)
• M21: 22,095,157 km (0.092 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: 445 - 13,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit