🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 12.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.17 AU - 1.23 AU

Year: 907 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,636,706 km

• M1: 160,668 km (0.096 R)
• M2: 613,800 km (0.119 R)
• M3: 1,069,924 km (0.074 R)
• M4: 1,615,059 km (0.099 R)
• M5: 2,116,511 km (0.104 R)
• M6: 3,268,713 km (0.116 R)
• M7: 3,772,858 km (0.104 R)
• M8: 4,701,711 km (0.081 R)
• M9: 5,113,854 km (0.108 R)
• M10: 5,971,947 km (0.055 R)
• M11: 6,394,561 km (0.098 R)
• M12: 7,855,235 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932

Radius: 9.8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.98 AU - 2.66 AU

Year: 2439 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,636,706 km

• M1: 121,922 km (0.049 R)
• M2: 509,830 km (0.094 R)
• M3: 1,044,044 km (0.083 R)
• M4: 1,363,585 km (0.119 R)
• M5: 1,926,073 km (0.062 R)
• M6: 2,275,683 km (0.04 R)
• M7: 2,808,251 km (0.072 R)
• M8: 3,607,852 km (0.065 R)
• M9: 4,122,917 km (0.116 R)
• M10: 5,835,215 km (0.118 R)
• M11: 6,718,291 km (0.101 R)
• M12: 7,499,491 km (0.067 R)
• M13: 8,407,251 km (0.078 R)
• M14: 8,957,920 km (0.074 R)
• M15: 9,532,376 km (0.094 R)
• M16: 9,866,279 km (0.109 R)
• M17: 10,323,599 km (0.055 R)
• M18: 11,780,832 km (0.089 R)
• M19: 12,426,796 km (0.108 R)
• M20: 13,555,811 km (0.088 R)
• M21: 13,883,730 km (0.065 R)
• M22: 15,706,580 km (0.102 R)
• M23: 17,133,743 km (0.119 R)
• M24: 18,245,256 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.4

Radius: 11.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.82 AU - 5.34 AU

Year: 6766 Days

Day: 8.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,636,706 km

• M1: 144,212 km (0.107 R)
• M2: 633,996 km (0.101 R)
• M3: 1,179,280 km (0.115 R)
• M4: 1,650,065 km (0.084 R)
• M5: 2,042,310 km (0.08 R)
• M6: 2,621,553 km (0.106 R)
• M7: 3,547,414 km (0.038 R)
• M8: 4,572,160 km (0.085 R)
• M9: 5,270,034 km (0.094 R)
• M10: 5,784,351 km (0.088 R)
• M11: 6,298,669 km (0.116 R)
• M12: 7,272,401 km (0.113 R)
• M13: 8,627,459 km (0.114 R)
• M14: 11,781,132 km (0.092 R)
• M15: 14,152,258 km (0.113 R)
• M16: 17,019,151 km (0.114 R)
• M17: 18,899,896 km (0.079 R)
• M18: 19,391,026 km (0.105 R)
• M19: 20,692,976 km (0.099 R)
• M20: 22,911,961 km (0.087 R)
• M21: 24,284,073 km (0.099 R)
• M22: 25,624,918 km (0.103 R)
• M23: 31,582,354 km (0.096 R)
• M24: 33,688,692 km (0.097 R)
• M25: 35,143,981 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 8

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.15 AU - 6.59 AU

Year: 11097 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,636,706 km

• M1: 99,483 km (0.067 R)
• M2: 366,814 km (0.108 R)
• M3: 755,918 km (0.053 R)
• M4: 1,177,485 km (0.07 R)
• M5: 2,000,572 km (0.094 R)
• M6: 3,944,148 km (0.112 R)
• M7: 6,223,870 km (0.106 R)
• M8: 7,316,682 km (0.096 R)
• M9: 9,981,918 km (0.12 R)
• M10: 10,793,038 km (0.077 R)
• M11: 13,815,214 km (0.101 R)
• M12: 14,548,692 km (0.091 R)
• M13: 15,237,740 km (0.046 R)
• M14: 15,804,417 km (0.105 R)
• M15: 16,979,957 km (0.092 R)
• M16: 17,666,312 km (0.117 R)
• M17: 18,609,975 km (0.027 R)
• M18: 21,290,470 km (0.057 R)
• M19: 23,368,983 km (0.095 R)
• M20: 24,409,286 km (0.069 R)
• M21: 35,200,529 km (0.071 R)
• M22: 36,566,357 km (0.107 R)
• M23: 37,198,707 km (0.107 R)
• M24: 46,537,654 km (0.116 R)
• M25: 48,941,841 km (0.067 R)
• M26: 52,862,053 km (0.106 R)
• M27: 53,996,005 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100

Radius: 7.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.96 AU - 7.84 AU

Year: 11176 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,636,706 km

• M1: 88,263 km (0.086 R)
• M2: 335,698 km (0.112 R)
• M3: 755,918 km (0.077 R)
• M4: 1,026,989 km (0.11 R)
• M5: 1,658,592 km (0.073 R)
• M6: 2,991,808 km (0.111 R)
• M7: 3,577,483 km (0.108 R)
• M8: 3,964,044 km (0.096 R)
• M9: 4,620,330 km (0.108 R)
• M10: 8,758,207 km (0.102 R)
• M11: 9,420,776 km (0.056 R)
• M12: 10,074,519 km (0.084 R)
• M13: 11,609,543 km (0.116 R)
• M14: 12,312,802 km (0.096 R)
• M15: 12,895,636 km (0.115 R)
• M16: 14,326,838 km (0.052 R)
• M17: 16,550,760 km (0.078 R)
• M18: 19,187,423 km (0.029 R)
• M19: 22,375,952 km (0.105 R)
• M20: 22,879,199 km (0.034 R)
• M21: 26,216,877 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.3

Radius: 3.3

Gravity: 37.77 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.5 AU - 8.4 AU

Year: 12647 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,636,706 km

• M1: 42,486 km (0.078 R)
• M2: 147,204 km (0.099 R)
• M3: 360,082 km (0.114 R)
• M4: 631,004 km (0.094 R)
• M5: 1,089,372 km (0.12 R)
• M6: 1,217,427 km (0.084 R)
• M7: 1,368,521 km (0.07 R)
• M8: 2,434,406 km (0.065 R)
• M9: 2,975,202 km (0.116 R)
• M10: 4,289,569 km (0.076 R)
• M11: 4,550,767 km (0.088 R)
• M12: 8,473,074 km (0.095 R)
• M13: 10,660,793 km (0.119 R)
• M14: 16,317,388 km (0.104 R)
• M15: 16,952,431 km (0.094 R)
• M16: 19,736,447 km (0.086 R)
• M17: 21,112,000 km (0.082 R)
• M18: 21,277,904 km (0.116 R)
• M19: 21,528,480 km (0.063 R)
• M20: 22,206,009 km (0.11 R)
• M21: 23,072,928 km (0.077 R)
• M22: 24,966,239 km (0.077 R)
• M23: 29,573,704 km (0.034 R)
• M24: 29,677,525 km (0.095 R)
• M25: 31,912,667 km (0.119 R)
• M26: 33,688,992 km (0.101 R)
• M27: 36,000,877 km (0.04 R)
• M28: 36,594,930 km (0.101 R)
• M29: 37,437,466 km (0.053 R)
• M30: 41,324,766 km (0.059 R)
• M31: 42,369,857 km (0.046 R)
• M32: 44,512,697 km (0.117 R)
• M33: 45,334,438 km (0.086 R)
• M34: 46,586,123 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.6

Radius: 7.1

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.9 AU - 7.26 AU

Year: 13004 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,636,706 km

• M1: 88,562 km (0.05 R)
• M2: 368,609 km (0.083 R)
• M3: 744,249 km (0.038 R)
• M4: 1,425,967 km (0.085 R)
• M5: 1,904,830 km (0.06 R)
• M6: 2,368,882 km (0.061 R)
• M7: 2,711,461 km (0.085 R)
• M8: 2,972,958 km (0.063 R)
• M9: 3,347,701 km (0.081 R)
• M10: 3,623,410 km (0.104 R)
• M11: 3,941,306 km (0.047 R)
• M12: 4,944,509 km (0.058 R)
• M13: 6,331,281 km (0.114 R)
• M14: 7,785,522 km (0.107 R)
• M15: 9,449,499 km (0.063 R)
• M16: 10,053,276 km (0.098 R)
• M17: 10,469,906 km (0.073 R)
• M18: 12,788,075 km (0.04 R)
• M19: 13,778,861 km (0.111 R)
• M20: 15,020,673 km (0.117 R)
• M21: 15,359,513 km (0.033 R)
• M22: 16,193,670 km (0.112 R)
• M23: 16,621,819 km (0.119 R)
• M24: 18,487,604 km (0.093 R)
• M25: 19,591,337 km (0.063 R)
• M26: 20,077,530 km (0.12 R)
• M27: 20,821,929 km (0.082 R)
• M28: 25,969,143 km (0.069 R)
• M29: 31,021,961 km (0.117 R)
• M30: 33,835,747 km (0.053 R)
• M31: 34,068,073 km (0.034 R)
• M32: 34,653,150 km (0.087 R)
• M33: 41,539,290 km (0.116 R)
• M34: 43,017,915 km (0.084 R)
• M35: 43,427,215 km (0.085 R)
• M36: 44,115,215 km (0.08 R)
• M37: 47,518,567 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit