🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 13.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.62 AU - 2 AU

Year: 1624 Days

Day: 13.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,453,329 km

• M1: 162,912 km (0.066 R)
• M2: 681,269 km (0.097 R)
• M3: 1,186,461 km (0.101 R)
• M4: 1,686,566 km (0.108 R)
• M5: 2,290,792 km (0.101 R)
• M6: 3,282,626 km (0.106 R)
• M7: 3,745,631 km (0.117 R)
• M8: 4,386,210 km (0.09 R)
• M9: 5,316,409 km (0.079 R)
• M10: 6,006,654 km (0.085 R)
• M11: 7,399,859 km (0.105 R)
• M12: 8,142,911 km (0.068 R)
• M13: 8,717,068 km (0.088 R)
• M14: 9,285,839 km (0.072 R)
• M15: 10,638,653 km (0.116 R)
• M16: 11,399,507 km (0.12 R)
• M17: 12,157,669 km (0.1 R)
• M18: 14,329,980 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 15

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.47 AU - 2.43 AU

Year: 1816 Days

Day: 13.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,453,329 km

• M1: 186,549 km (0.097 R)
• M2: 781,499 km (0.109 R)
• M3: 1,346,530 km (0.111 R)
• M4: 1,812,977 km (0.068 R)
• M5: 2,442,335 km (0.078 R)
• M6: 3,480,544 km (0.105 R)
• M7: 4,111,249 km (0.072 R)
• M8: 4,649,352 km (0.04 R)
• M9: 5,557,112 km (0.058 R)
• M10: 6,423,134 km (0.095 R)
• M11: 7,207,476 km (0.108 R)
• M12: 7,994,510 km (0.042 R)
• M13: 8,519,000 km (0.097 R)
• M14: 9,984,311 km (0.053 R)
• M15: 10,520,620 km (0.087 R)
• M16: 11,690,176 km (0.114 R)
• M17: 12,736,464 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.3

Radius: 13.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.3 AU - 2.34 AU

Year: 2356 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,453,329 km

• M1: 166,652 km (0.116 R)
• M2: 815,608 km (0.104 R)
• M3: 1,314,367 km (0.111 R)
• M4: 2,269,101 km (0.111 R)
• M5: 2,981,486 km (0.114 R)
• M6: 3,593,191 km (0.074 R)
• M7: 4,021,789 km (0.053 R)
• M8: 4,544,933 km (0.087 R)
• M9: 5,969,853 km (0.112 R)
• M10: 6,973,654 km (0.112 R)
• M11: 8,797,252 km (0.108 R)
• M12: 9,216,874 km (0.08 R)
• M13: 9,888,718 km (0.109 R)
• M14: 12,023,031 km (0.113 R)
• M15: 12,949,192 km (0.066 R)
• M16: 13,408,607 km (0.055 R)
• M17: 14,898,153 km (0.12 R)
• M18: 15,589,295 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 8.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.31 AU - 4.11 AU

Year: 4765 Days

Day: 13.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,453,329 km

• M1: 110,702 km (0.086 R)
• M2: 477,217 km (0.112 R)
• M3: 845,976 km (0.083 R)
• M4: 1,338,452 km (0.103 R)
• M5: 1,678,039 km (0.103 R)
• M6: 2,037,523 km (0.096 R)
• M7: 2,406,132 km (0.088 R)
• M8: 2,834,580 km (0.068 R)
• M9: 3,599,923 km (0.113 R)
• M10: 4,202,952 km (0.08 R)
• M11: 5,559,954 km (0.11 R)
• M12: 6,097,609 km (0.089 R)
• M13: 6,811,041 km (0.026 R)
• M14: 8,079,332 km (0.113 R)
• M15: 10,080,503 km (0.105 R)
• M16: 17,542,295 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 13

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.75 AU - 5.09 AU

Year: 7277 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,453,329 km

• M1: 162,613 km (0.083 R)
• M2: 653,892 km (0.074 R)
• M3: 1,133,204 km (0.119 R)
• M4: 1,765,404 km (0.087 R)
• M5: 2,879,909 km (0.07 R)
• M6: 4,283,735 km (0.029 R)
• M7: 5,574,166 km (0.055 R)
• M8: 7,934,222 km (0.037 R)
• M9: 9,313,066 km (0.076 R)
• M10: 10,645,684 km (0.097 R)
• M11: 14,224,663 km (0.091 R)
• M12: 16,855,192 km (0.09 R)
• M13: 19,643,996 km (0.092 R)
• M14: 22,810,384 km (0.076 R)
• M15: 28,464,286 km (0.114 R)
• M16: 32,501,783 km (0.054 R)
• M17: 33,460,257 km (0.095 R)
• M18: 34,218,568 km (0.077 R)
• M19: 36,108,139 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.2

Radius: 3.3

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.8 AU - 10.22 AU

Year: 16555 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,453,329 km

• M1: 41,738 km (0.081 R)
• M2: 317,447 km (0.105 R)
• M3: 690,693 km (0.102 R)
• M4: 1,393,504 km (0.093 R)
• M5: 1,515,127 km (0.036 R)
• M6: 2,215,544 km (0.097 R)
• M7: 2,802,267 km (0.042 R)
• M8: 2,996,894 km (0.102 R)
• M9: 3,293,696 km (0.041 R)
• M10: 4,135,184 km (0.08 R)
• M11: 5,016,166 km (0.09 R)
• M12: 6,265,907 km (0.111 R)
• M13: 6,486,564 km (0.097 R)
• M14: 7,299,329 km (0.104 R)
• M15: 8,264,983 km (0.098 R)
• M16: 8,801,142 km (0.094 R)
• M17: 10,242,517 km (0.115 R)
• M18: 11,286,262 km (0.069 R)
• M19: 11,612,684 km (0.053 R)
• M20: 12,227,532 km (0.047 R)
• M21: 13,159,975 km (0.116 R)
• M22: 13,400,379 km (0.057 R)
• M23: 17,437,427 km (0.113 R)
• M24: 22,046,388 km (0.042 R)
• M25: 23,160,742 km (0.061 R)
• M26: 24,856,135 km (0.097 R)
• M27: 26,728,203 km (0.057 R)
• M28: 31,600,306 km (0.095 R)
• M29: 33,905,909 km (0.036 R)
• M30: 34,698,628 km (0.091 R)
• M31: 36,557,082 km (0.098 R)
• M32: 42,659,030 km (0.104 R)
• M33: 45,196,808 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.1

Radius: 3.9

Gravity: 24.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.98 AU - 9.9 AU

Year: 17825 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,453,329 km

• M1: 48,619 km (0.089 R)
• M2: 329,415 km (0.065 R)
• M3: 691,292 km (0.099 R)
• M4: 1,137,093 km (0.05 R)
• M5: 2,198,640 km (0.108 R)
• M6: 2,437,996 km (0.118 R)
• M7: 2,694,557 km (0.115 R)
• M8: 3,363,259 km (0.09 R)
• M9: 3,708,681 km (0.085 R)
• M10: 4,165,702 km (0.107 R)
• M11: 4,438,718 km (0.099 R)
• M12: 5,724,811 km (0.095 R)
• M13: 6,024,157 km (0.101 R)
• M14: 9,878,247 km (0.09 R)
• M15: 11,091,934 km (0.117 R)
• M16: 12,156,173 km (0.05 R)
• M17: 14,348,680 km (0.116 R)
• M18: 14,485,263 km (0.094 R)
• M19: 15,181,491 km (0.098 R)
• M20: 17,637,140 km (0.041 R)
• M21: 19,748,864 km (0.099 R)
• M22: 20,777,947 km (0.081 R)
• M23: 22,942,629 km (0.063 R)
• M24: 24,759,196 km (0.078 R)
• M25: 27,083,947 km (0.103 R)
• M26: 29,110,698 km (0.049 R)
• M27: 32,161,597 km (0.107 R)
• M28: 37,191,227 km (0.116 R)
• M29: 37,968,688 km (0.078 R)
• M30: 39,824,599 km (0.107 R)
• M31: 41,462,695 km (0.07 R)
• M32: 51,441,322 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938

Radius: 5.8

Gravity: 27.88 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.25 AU - 11.59 AU

Year: 19280 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,453,329 km

• M1: 72,256 km (0.113 R)
• M2: 350,209 km (0.091 R)
• M3: 664,364 km (0.115 R)
• M4: 1,168,808 km (0.086 R)
• M5: 1,939,387 km (0.118 R)
• M6: 2,598,365 km (0.097 R)
• M7: 3,114,179 km (0.105 R)
• M8: 3,726,782 km (0.108 R)
• M9: 5,110,862 km (0.12 R)
• M10: 5,917,793 km (0.079 R)
• M11: 7,529,111 km (0.097 R)
• M12: 8,143,210 km (0.087 R)
• M13: 8,790,072 km (0.096 R)
• M14: 9,646,071 km (0.088 R)
• M15: 10,185,521 km (0.102 R)
• M16: 11,390,382 km (0.111 R)
• M17: 14,003,857 km (0.099 R)
• M18: 16,145,649 km (0.111 R)
• M19: 16,991,476 km (0.115 R)
• M20: 18,134,703 km (0.118 R)
• M21: 23,864,152 km (0.1 R)
• M22: 26,319,801 km (0.091 R)
• M23: 28,938,661 km (0.067 R)
• M24: 29,932,589 km (0.106 R)
• M25: 42,568,373 km (0.108 R)
• M26: 45,827,662 km (0.11 R)
• M27: 47,347,128 km (0.1 R)
• M28: 48,725,672 km (0.098 R)
• M29: 52,654,112 km (0.058 R)
• M30: 57,368,839 km (0.114 R)
• M31: 59,330,815 km (0.105 R)
• M32: 62,562,428 km (0.077 R)
• M33: 67,843,532 km (0.087 R)
• M34: 70,258,490 km (0.103 R)
• M35: 73,185,822 km (0.103 R)
• M36: 74,795,046 km (0.061 R)
• M37: 81,468,756 km (0.111 R)
• M38: 81,714,097 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 15,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit