🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 12.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.05 AU - 1.55 AU

Year: 957 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,960,345 km

• M1: 151,692 km (0.11 R)
• M2: 548,276 km (0.094 R)
• M3: 942,766 km (0.106 R)
• M4: 1,530,087 km (0.098 R)
• M5: 1,987,258 km (0.085 R)
• M6: 2,524,165 km (0.1 R)
• M7: 2,917,458 km (0.1 R)
• M8: 3,798,589 km (0.109 R)
• M9: 4,831,114 km (0.076 R)
• M10: 5,265,995 km (0.088 R)
• M11: 6,368,980 km (0.083 R)
• M12: 7,010,755 km (0.054 R)
• M13: 7,594,934 km (0.057 R)
• M14: 8,833,156 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.5

Radius: 14.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.32 AU - 2.86 AU

Year: 2691 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,960,345 km

• M1: 177,872 km (0.101 R)
• M2: 632,500 km (0.044 R)
• M3: 2,068,490 km (0.107 R)
• M4: 2,937,653 km (0.12 R)
• M5: 3,394,974 km (0.093 R)
• M6: 4,862,529 km (0.097 R)
• M7: 5,885,928 km (0.114 R)
• M8: 7,204,185 km (0.099 R)
• M9: 7,657,616 km (0.105 R)
• M10: 8,504,639 km (0.056 R)
• M11: 9,072,961 km (0.069 R)
• M12: 9,891,561 km (0.086 R)
• M13: 10,419,492 km (0.089 R)
• M14: 11,568,104 km (0.057 R)
• M15: 13,387,364 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 8.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.22 AU - 4.48 AU

Year: 4878 Days

Day: 13 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,960,345 km

• M1: 110,702 km (0.092 R)
• M2: 596,447 km (0.027 R)
• M3: 888,761 km (0.096 R)
• M4: 1,269,188 km (0.116 R)
• M5: 1,743,563 km (0.081 R)
• M6: 2,316,224 km (0.097 R)
• M7: 2,620,356 km (0.071 R)
• M8: 3,587,357 km (0.072 R)
• M9: 5,186,558 km (0.063 R)
• M10: 5,802,153 km (0.12 R)
• M11: 7,004,172 km (0.061 R)
• M12: 8,248,079 km (0.101 R)
• M13: 9,252,479 km (0.076 R)
• M14: 10,157,396 km (0.103 R)
• M15: 10,885,489 km (0.096 R)
• M16: 11,745,826 km (0.091 R)
• M17: 13,873,856 km (0.114 R)
• M18: 16,368,849 km (0.09 R)
• M19: 16,926,700 km (0.111 R)
• M20: 20,329,453 km (0.082 R)
• M21: 21,119,031 km (0.045 R)
• M22: 21,484,498 km (0.079 R)
• M23: 23,532,044 km (0.062 R)
• M24: 27,487,562 km (0.038 R)
• M25: 29,988,389 km (0.064 R)
• M26: 32,056,879 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 14.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.4 AU - 5.04 AU

Year: 5597 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,960,345 km

• M1: 182,809 km (0.078 R)
• M2: 681,269 km (0.082 R)
• M3: 1,441,525 km (0.112 R)
• M4: 2,078,662 km (0.078 R)
• M5: 2,558,572 km (0.082 R)
• M6: 4,756,016 km (0.112 R)
• M7: 5,783,753 km (0.044 R)
• M8: 9,377,692 km (0.096 R)
• M9: 10,991,554 km (0.046 R)
• M10: 11,519,934 km (0.102 R)
• M11: 18,508,548 km (0.095 R)
• M12: 20,312,249 km (0.085 R)
• M13: 21,852,359 km (0.102 R)
• M14: 25,330,360 km (0.102 R)
• M15: 25,915,737 km (0.081 R)
• M16: 26,595,809 km (0.085 R)
• M17: 27,200,782 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.3

Radius: 6.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.68 AU - 6.4 AU

Year: 9585 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,960,345 km

• M1: 77,193 km (0.082 R)
• M2: 682,765 km (0.102 R)
• M3: 1,151,006 km (0.108 R)
• M4: 1,359,695 km (0.108 R)
• M5: 1,643,781 km (0.114 R)
• M6: 2,128,927 km (0.094 R)
• M7: 2,795,236 km (0.11 R)
• M8: 3,277,241 km (0.071 R)
• M9: 3,657,518 km (0.114 R)
• M10: 4,659,375 km (0.117 R)
• M11: 5,223,658 km (0.084 R)
• M12: 7,295,140 km (0.115 R)
• M13: 7,614,532 km (0.1 R)
• M14: 8,205,443 km (0.028 R)
• M15: 9,107,818 km (0.084 R)
• M16: 10,337,662 km (0.083 R)
• M17: 10,605,292 km (0.078 R)
• M18: 11,867,449 km (0.105 R)
• M19: 12,210,328 km (0.07 R)
• M20: 12,864,669 km (0.093 R)
• M21: 13,970,796 km (0.068 R)
• M22: 14,854,919 km (0.103 R)
• M23: 18,114,806 km (0.09 R)
• M24: 21,676,432 km (0.111 R)
• M25: 22,262,706 km (0.101 R)
• M26: 24,319,976 km (0.066 R)
• M27: 25,193,179 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.9

Radius: 6.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.02 AU - 7.8 AU

Year: 10479 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,960,345 km

• M1: 75,846 km (0.06 R)
• M2: 376,388 km (0.093 R)
• M3: 793,318 km (0.115 R)
• M4: 1,584,092 km (0.067 R)
• M5: 2,209,112 km (0.1 R)
• M6: 2,427,225 km (0.1 R)
• M7: 2,868,240 km (0.09 R)
• M8: 3,404,698 km (0.098 R)
• M9: 5,416,640 km (0.082 R)
• M10: 7,130,134 km (0.061 R)
• M11: 8,880,130 km (0.066 R)
• M12: 10,194,347 km (0.087 R)
• M13: 13,476,973 km (0.11 R)
• M14: 26,013,125 km (0.108 R)
• M15: 28,951,826 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.2

Radius: 7.2

Gravity: 17.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.52 AU - 7.34 AU

Year: 10528 Days

Day: 24.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 130 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,960,345 km

• M1: 89,609 km (0.049 R)
• M2: 567,874 km (0.115 R)
• M3: 816,505 km (0.055 R)
• M4: 1,285,943 km (0.08 R)
• M5: 1,574,667 km (0.11 R)
• M6: 3,142,752 km (0.104 R)
• M7: 6,052,730 km (0.087 R)
• M8: 7,075,231 km (0.088 R)
• M9: 9,307,531 km (0.119 R)
• M10: 9,609,718 km (0.09 R)
• M11: 12,268,372 km (0.071 R)
• M12: 13,380,482 km (0.098 R)
• M13: 13,636,444 km (0.119 R)
• M14: 14,625,735 km (0.06 R)
• M15: 17,344,826 km (0.117 R)
• M16: 24,898,322 km (0.115 R)
• M17: 25,481,305 km (0.087 R)
• M18: 26,073,263 km (0.116 R)
• M19: 30,366,722 km (0.106 R)
• M20: 33,555,401 km (0.119 R)
• M21: 34,505,796 km (0.087 R)
• M22: 38,358,689 km (0.06 R)
• M23: 39,791,986 km (0.115 R)
• M24: 40,455,154 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583

Radius: 3.1

Gravity: 60.67 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.02 AU - 7.36 AU

Year: 11173 Days

Day: 15.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,960,345 km

• M1: 38,596 km (0.067 R)
• M2: 190,588 km (0.087 R)
• M3: 305,030 km (0.077 R)
• M4: 459,565 km (0.08 R)
• M5: 1,158,037 km (0.067 R)
• M6: 1,293,124 km (0.073 R)
• M7: 1,580,651 km (0.115 R)
• M8: 2,045,452 km (0.082 R)
• M9: 2,574,729 km (0.113 R)
• M10: 3,073,339 km (0.094 R)
• M11: 3,556,839 km (0.044 R)
• M12: 4,145,058 km (0.095 R)
• M13: 5,477,227 km (0.053 R)
• M14: 6,184,226 km (0.05 R)
• M15: 9,329,372 km (0.084 R)
• M16: 9,822,596 km (0.084 R)
• M17: 14,605,988 km (0.075 R)
• M18: 15,541,274 km (0.099 R)
• M19: 16,023,428 km (0.079 R)
• M20: 16,658,172 km (0.064 R)
• M21: 18,585,291 km (0.051 R)
• M22: 18,816,869 km (0.101 R)
• M23: 22,176,538 km (0.094 R)
• M24: 23,230,455 km (0.102 R)
• M25: 23,499,133 km (0.067 R)
• M26: 23,860,561 km (0.096 R)
• M27: 24,687,239 km (0.066 R)
• M28: 25,437,772 km (0.083 R)
• M29: 28,798,338 km (0.116 R)
• M30: 33,913,837 km (0.056 R)
• M31: 34,259,558 km (0.049 R)
• M32: 36,866,450 km (0.118 R)
• M33: 47,746,255 km (0.086 R)
• M34: 48,035,427 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.6

Radius: 3.1

Gravity: 46.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7 AU - 7.84 AU

Year: 13050 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,960,345 km

• M1: 39,045 km (0.068 R)
• M2: 523,593 km (0.057 R)
• M3: 640,578 km (0.1 R)
• M4: 757,414 km (0.045 R)
• M5: 868,715 km (0.059 R)
• M6: 1,456,485 km (0.116 R)
• M7: 1,614,909 km (0.083 R)
• M8: 1,752,988 km (0.05 R)
• M9: 2,545,109 km (0.106 R)
• M10: 4,982,058 km (0.085 R)
• M11: 5,511,186 km (0.107 R)
• M12: 5,649,264 km (0.113 R)
• M13: 6,040,463 km (0.063 R)
• M14: 6,641,547 km (0.1 R)
• M15: 9,154,791 km (0.116 R)
• M16: 9,894,852 km (0.075 R)
• M17: 10,150,216 km (0.1 R)
• M18: 12,353,343 km (0.102 R)
• M19: 19,767,713 km (0.118 R)
• M20: 21,420,171 km (0.067 R)
• M21: 25,185,550 km (0.028 R)
• M22: 26,337,004 km (0.095 R)
• M23: 37,329,306 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.6

Radius: 5.4

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.58 AU - 9.54 AU

Year: 16171 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,960,345 km

• M1: 67,319 km (0.104 R)
• M2: 481,705 km (0.106 R)
• M3: 1,008,738 km (0.059 R)
• M4: 2,750,955 km (0.078 R)
• M5: 3,199,898 km (0.088 R)
• M6: 3,696,115 km (0.074 R)
• M7: 5,525,846 km (0.057 R)
• M8: 5,790,485 km (0.039 R)
• M9: 5,994,536 km (0.119 R)
• M10: 6,168,070 km (0.064 R)
• M11: 7,762,484 km (0.073 R)
• M12: 8,094,591 km (0.052 R)
• M13: 8,264,235 km (0.118 R)
• M14: 10,589,435 km (0.036 R)
• M15: 12,681,112 km (0.107 R)
• M16: 13,435,534 km (0.079 R)
• M17: 13,733,384 km (0.111 R)
• M18: 15,549,203 km (0.097 R)
• M19: 27,254,638 km (0.11 R)
• M20: 33,033,753 km (0.092 R)
• M21: 38,612,407 km (0.091 R)
• M22: 42,447,648 km (0.084 R)
• M23: 42,960,320 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 18,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit