🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 11.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.61 AU - 0.95 AU

Year: 476 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,025,422 km

• M1: 139,276 km (0.076 R)
• M2: 664,065 km (0.102 R)
• M3: 1,059,452 km (0.113 R)
• M4: 1,412,802 km (0.073 R)
• M5: 2,250,550 km (0.114 R)
• M6: 2,682,439 km (0.096 R)
• M7: 3,297,436 km (0.102 R)
• M8: 3,844,815 km (0.107 R)
• M9: 4,379,926 km (0.088 R)
• M10: 5,234,878 km (0.113 R)
• M11: 6,179,589 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 9.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.99 AU - 1.17 AU

Year: 775 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,025,422 km

• M1: 120,725 km (0.104 R)
• M2: 447,896 km (0.049 R)
• M3: 801,246 km (0.039 R)
• M4: 1,113,008 km (0.11 R)
• M5: 1,647,372 km (0.083 R)
• M6: 2,336,270 km (0.106 R)
• M7: 3,171,774 km (0.096 R)
• M8: 4,580,537 km (0.112 R)
• M9: 5,934,996 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 12.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.22 AU - 3.28 AU

Year: 3148 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,025,422 km

• M1: 160,369 km (0.083 R)
• M2: 712,235 km (0.115 R)
• M3: 1,293,573 km (0.074 R)
• M4: 2,062,207 km (0.119 R)
• M5: 2,725,673 km (0.112 R)
• M6: 3,393,329 km (0.115 R)
• M7: 3,828,210 km (0.043 R)
• M8: 4,763,495 km (0.037 R)
• M9: 6,534,136 km (0.098 R)
• M10: 7,437,408 km (0.094 R)
• M11: 9,763,655 km (0.08 R)
• M12: 11,071,589 km (0.082 R)
• M13: 11,946,288 km (0.107 R)
• M14: 12,914,036 km (0.038 R)
• M15: 13,441,369 km (0.066 R)
• M16: 14,032,879 km (0.12 R)
• M17: 14,900,846 km (0.025 R)
• M18: 15,427,879 km (0.091 R)
• M19: 17,778,510 km (0.065 R)
• M20: 18,371,666 km (0.105 R)
• M21: 20,230,718 km (0.03 R)
• M22: 21,537,905 km (0.115 R)
• M23: 22,970,155 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 11

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.53 AU - 4.25 AU

Year: 5296 Days

Day: 12 Hours

Environment

Temp: -227 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,025,422 km

• M1: 137,032 km (0.093 R)
• M2: 490,531 km (0.093 R)
• M3: 1,100,442 km (0.052 R)
• M4: 1,766,302 km (0.105 R)
• M5: 3,059,725 km (0.095 R)
• M6: 3,851,248 km (0.068 R)
• M7: 4,355,093 km (0.108 R)
• M8: 4,799,548 km (0.062 R)
• M9: 5,551,427 km (0.052 R)
• M10: 6,165,527 km (0.105 R)
• M11: 6,988,016 km (0.094 R)
• M12: 8,319,736 km (0.079 R)
• M13: 8,812,063 km (0.111 R)
• M14: 9,525,794 km (0.073 R)
• M15: 9,896,946 km (0.065 R)
• M16: 10,624,441 km (0.084 R)
• M17: 11,204,432 km (0.061 R)
• M18: 12,137,922 km (0.066 R)
• M19: 14,373,363 km (0.036 R)
• M20: 15,531,550 km (0.042 R)
• M21: 16,632,142 km (0.036 R)
• M22: 17,292,616 km (0.085 R)
• M23: 17,908,212 km (0.073 R)
• M24: 18,284,600 km (0.103 R)
• M25: 18,794,579 km (0.107 R)
• M26: 19,313,983 km (0.039 R)
• M27: 21,629,309 km (0.107 R)
• M28: 25,519,153 km (0.099 R)
• M29: 27,379,701 km (0.119 R)
• M30: 27,963,432 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 8.1

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.47 AU - 4.59 AU

Year: 5584 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,025,422 km

• M1: 111,600 km (0.088 R)
• M2: 387,159 km (0.041 R)
• M3: 1,169,556 km (0.112 R)
• M4: 1,430,006 km (0.11 R)
• M5: 2,862,555 km (0.093 R)
• M6: 3,526,620 km (0.086 R)
• M7: 3,877,128 km (0.053 R)
• M8: 5,449,102 km (0.113 R)
• M9: 6,992,504 km (0.088 R)
• M10: 9,290,177 km (0.098 R)
• M11: 10,378,203 km (0.074 R)
• M12: 12,683,805 km (0.103 R)
• M13: 14,368,726 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 11.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.89 AU - 6.01 AU

Year: 8782 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,025,422 km

• M1: 143,315 km (0.082 R)
• M2: 505,192 km (0.11 R)
• M3: 1,533,378 km (0.095 R)
• M4: 2,237,984 km (0.055 R)
• M5: 3,147,539 km (0.084 R)
• M6: 3,773,008 km (0.094 R)
• M7: 4,507,384 km (0.059 R)
• M8: 5,429,206 km (0.098 R)
• M9: 6,330,832 km (0.046 R)
• M10: 7,446,533 km (0.09 R)
• M11: 11,370,635 km (0.097 R)
• M12: 12,617,084 km (0.101 R)
• M13: 13,302,542 km (0.116 R)
• M14: 15,573,138 km (0.111 R)
• M15: 18,091,020 km (0.09 R)
• M16: 19,036,778 km (0.112 R)
• M17: 19,634,870 km (0.07 R)
• M18: 20,245,678 km (0.107 R)
• M19: 21,909,057 km (0.066 R)
• M20: 22,566,091 km (0.069 R)
• M21: 26,787,743 km (0.105 R)
• M22: 28,498,095 km (0.119 R)
• M23: 31,508,603 km (0.119 R)
• M24: 32,240,436 km (0.027 R)
• M25: 32,876,675 km (0.114 R)
• M26: 34,284,092 km (0.094 R)
• M27: 35,058,261 km (0.085 R)
• M28: 39,105,482 km (0.086 R)
• M29: 40,931,473 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.1

Radius: 4.7

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.68 AU - 8.66 AU

Year: 14662 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,025,422 km

• M1: 58,493 km (0.068 R)
• M2: 213,626 km (0.113 R)
• M3: 739,911 km (0.061 R)
• M4: 1,091,765 km (0.109 R)
• M5: 1,242,710 km (0.087 R)
• M6: 1,826,141 km (0.094 R)
• M7: 2,429,170 km (0.082 R)
• M8: 3,008,264 km (0.078 R)
• M9: 3,352,488 km (0.051 R)
• M10: 4,248,729 km (0.114 R)
• M11: 6,191,856 km (0.05 R)
• M12: 8,616,389 km (0.12 R)
• M13: 9,851,768 km (0.087 R)
• M14: 11,200,841 km (0.07 R)
• M15: 11,352,384 km (0.102 R)
• M16: 12,397,475 km (0.118 R)
• M17: 15,412,021 km (0.063 R)
• M18: 16,300,034 km (0.095 R)
• M19: 16,954,824 km (0.114 R)
• M20: 23,081,605 km (0.09 R)
• M21: 25,267,529 km (0.089 R)
• M22: 27,312,981 km (0.102 R)
• M23: 29,466,143 km (0.061 R)
• M24: 31,128,475 km (0.07 R)
• M25: 33,266,976 km (0.075 R)
• M26: 36,822,169 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.5

Radius: 7.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.95 AU - 8.45 AU

Year: 16208 Days

Day: 16 Hours

Environment

Temp: -242 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,025,422 km

• M1: 89,908 km (0.116 R)
• M2: 334,950 km (0.117 R)
• M3: 761,304 km (0.057 R)
• M4: 1,022,352 km (0.041 R)
• M5: 1,542,803 km (0.063 R)
• M6: 1,792,781 km (0.025 R)
• M7: 2,608,987 km (0.065 R)
• M8: 2,966,376 km (0.11 R)
• M9: 3,937,117 km (0.073 R)
• M10: 4,209,983 km (0.094 R)
• M11: 4,642,920 km (0.036 R)
• M12: 5,631,462 km (0.087 R)
• M13: 6,450,810 km (0.058 R)
• M14: 8,913,041 km (0.11 R)
• M15: 10,073,023 km (0.095 R)
• M16: 12,455,668 km (0.111 R)
• M17: 14,344,192 km (0.108 R)
• M18: 17,413,641 km (0.096 R)
• M19: 18,150,710 km (0.103 R)
• M20: 23,724,278 km (0.118 R)
• M21: 26,317,257 km (0.095 R)
• M22: 27,682,039 km (0.102 R)
• M23: 27,980,487 km (0.112 R)
• M24: 34,410,502 km (0.087 R)
• M25: 39,454,942 km (0.117 R)
• M26: 42,021,443 km (0.068 R)
• M27: 43,882,890 km (0.073 R)
• M28: 44,697,151 km (0.057 R)
• M29: 45,937,467 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.4

Radius: 7.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.2 AU - 10.5 AU

Year: 18173 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 143.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,025,422 km

• M1: 96,939 km (0.049 R)
• M2: 552,315 km (0.113 R)
• M3: 1,222,215 km (0.092 R)
• M4: 1,729,651 km (0.096 R)
• M5: 1,986,959 km (0.037 R)
• M6: 3,909,142 km (0.111 R)
• M7: 4,608,961 km (0.098 R)
• M8: 7,565,164 km (0.063 R)
• M9: 10,047,891 km (0.077 R)
• M10: 11,592,489 km (0.069 R)
• M11: 12,389,845 km (0.117 R)
• M12: 16,022,530 km (0.107 R)
• M13: 17,166,954 km (0.026 R)
• M14: 27,062,105 km (0.094 R)
• M15: 28,681,801 km (0.107 R)
• M16: 35,173,751 km (0.097 R)
• M17: 39,504,459 km (0.085 R)
• M18: 42,581,239 km (0.032 R)
• M19: 43,012,679 km (0.084 R)
• M20: 47,644,379 km (0.113 R)
• M21: 47,954,196 km (0.055 R)
• M22: 51,288,134 km (0.096 R)
• M23: 55,797,612 km (0.107 R)
• M24: 58,060,280 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.1

Radius: 6.8

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.94 AU - 9.1 AU

Year: 18699 Days

Day: 24.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,025,422 km

• M1: 85,121 km (0.106 R)
• M2: 326,423 km (0.06 R)
• M3: 686,056 km (0.096 R)
• M4: 982,260 km (0.064 R)
• M5: 1,652,009 km (0.067 R)
• M6: 2,095,118 km (0.112 R)
• M7: 3,877,876 km (0.089 R)
• M8: 4,793,565 km (0.109 R)
• M9: 5,768,793 km (0.083 R)
• M10: 9,973,391 km (0.099 R)
• M11: 10,424,428 km (0.071 R)
• M12: 10,655,108 km (0.09 R)
• M13: 13,489,988 km (0.082 R)
• M14: 15,636,867 km (0.116 R)
• M15: 16,791,164 km (0.067 R)
• M16: 18,501,367 km (0.103 R)
• M17: 25,975,725 km (0.096 R)
• M18: 27,154,108 km (0.117 R)
• M19: 28,704,690 km (0.076 R)
• M20: 29,272,563 km (0.115 R)
• M21: 30,665,918 km (0.084 R)
• M22: 36,549,901 km (0.09 R)
• M23: 41,969,683 km (0.09 R)
• M24: 46,641,774 km (0.119 R)
• M25: 63,287,678 km (0.042 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: 532 - 11,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit