🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 12.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.32 AU - 1.98 AU

Year: 1438 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,673,479 km

• M1: 236,365 km (0.11 R)
• M2: 926,759 km (0.076 R)
• M3: 1,816,717 km (0.068 R)
• M4: 3,109,990 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 13.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.69 AU - 1.83 AU

Year: 1584 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,673,479 km

• M1: 166,652 km (0.118 R)
• M2: 686,205 km (0.109 R)
• M3: 1,187,358 km (0.114 R)
• M4: 3,913,779 km (0.092 R)
• M5: 6,842,906 km (0.102 R)
• M6: 7,331,792 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 8.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.26 AU - 2.64 AU

Year: 2601 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,673,479 km

• M1: 110,852 km (0.084 R)
• M2: 457,769 km (0.112 R)
• M3: 833,260 km (0.096 R)
• M4: 1,168,659 km (0.101 R)
• M5: 2,095,866 km (0.108 R)
• M6: 2,377,260 km (0.094 R)
• M7: 3,289,358 km (0.096 R)
• M8: 3,943,250 km (0.057 R)
• M9: 6,484,918 km (0.09 R)
• M10: 6,912,170 km (0.044 R)
• M11: 8,079,332 km (0.118 R)
• M12: 8,574,501 km (0.088 R)
• M13: 10,106,683 km (0.047 R)
• M14: 12,279,292 km (0.054 R)
• M15: 15,435,658 km (0.1 R)
• M16: 19,385,341 km (0.106 R)
• M17: 19,737,195 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 12.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.79 AU - 4.21 AU

Year: 5426 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,673,479 km

• M1: 159,920 km (0.117 R)
• M2: 613,351 km (0.119 R)
• M3: 1,245,103 km (0.099 R)
• M4: 2,049,341 km (0.107 R)
• M5: 2,473,900 km (0.055 R)
• M6: 3,405,596 km (0.065 R)
• M7: 3,942,203 km (0.045 R)
• M8: 6,834,828 km (0.089 R)
• M9: 7,556,488 km (0.082 R)
• M10: 8,547,873 km (0.083 R)
• M11: 9,346,875 km (0.119 R)
• M12: 11,138,010 km (0.088 R)
• M13: 11,722,040 km (0.096 R)
• M14: 12,756,958 km (0.077 R)
• M15: 13,396,489 km (0.104 R)
• M16: 15,444,484 km (0.062 R)
• M17: 19,825,607 km (0.072 R)
• M18: 20,684,299 km (0.101 R)
• M19: 21,983,856 km (0.095 R)
• M20: 24,745,283 km (0.064 R)
• M21: 25,663,365 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 14.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.91 AU - 4.23 AU

Year: 5569 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,673,479 km

• M1: 184,005 km (0.101 R)
• M2: 703,708 km (0.066 R)
• M3: 1,405,771 km (0.07 R)
• M4: 2,511,599 km (0.047 R)
• M5: 3,134,225 km (0.114 R)
• M6: 4,008,325 km (0.071 R)
• M7: 5,193,589 km (0.105 R)
• M8: 5,868,575 km (0.089 R)
• M9: 6,540,569 km (0.11 R)
• M10: 7,231,262 km (0.111 R)
• M11: 7,729,572 km (0.114 R)
• M12: 8,611,601 km (0.061 R)
• M13: 9,757,671 km (0.115 R)
• M14: 10,745,914 km (0.068 R)
• M15: 11,754,653 km (0.079 R)
• M16: 12,352,147 km (0.064 R)
• M17: 16,261,289 km (0.072 R)
• M18: 24,004,774 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.8

Radius: 4.8

Gravity: 41.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.67 AU - 8.45 AU

Year: 14099 Days

Day: 19.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,673,479 km

• M1: 59,690 km (0.029 R)
• M2: 222,153 km (0.046 R)
• M3: 421,567 km (0.115 R)
• M4: 641,326 km (0.104 R)
• M5: 818,600 km (0.052 R)
• M6: 1,052,720 km (0.06 R)
• M7: 1,433,447 km (0.087 R)
• M8: 1,864,588 km (0.093 R)
• M9: 3,157,712 km (0.05 R)
• M10: 4,034,206 km (0.118 R)
• M11: 4,316,497 km (0.118 R)
• M12: 4,920,573 km (0.092 R)
• M13: 5,890,117 km (0.1 R)
• M14: 6,377,956 km (0.097 R)
• M15: 8,601,429 km (0.096 R)
• M16: 11,354,628 km (0.081 R)
• M17: 12,695,922 km (0.08 R)
• M18: 15,011,698 km (0.081 R)
• M19: 15,996,351 km (0.109 R)
• M20: 17,594,206 km (0.079 R)
• M21: 17,842,688 km (0.118 R)
• M22: 19,559,772 km (0.057 R)
• M23: 21,010,273 km (0.075 R)
• M24: 21,290,021 km (0.114 R)
• M25: 22,531,085 km (0.083 R)
• M26: 26,760,217 km (0.111 R)
• M27: 28,887,798 km (0.111 R)
• M28: 29,933,936 km (0.108 R)
• M29: 30,288,183 km (0.073 R)
• M30: 36,611,087 km (0.119 R)
• M31: 40,078,915 km (0.093 R)
• M32: 40,509,308 km (0.095 R)
• M33: 41,818,738 km (0.088 R)
• M34: 42,409,650 km (0.095 R)
• M35: 47,338,900 km (0.032 R)
• M36: 51,953,695 km (0.042 R)
• M37: 52,465,320 km (0.058 R)
• M38: 59,238,662 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.2

Radius: 6.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.82 AU - 8.5 AU

Year: 14379 Days

Day: 20.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,673,479 km

• M1: 82,129 km (0.032 R)
• M2: 402,717 km (0.113 R)
• M3: 941,419 km (0.062 R)
• M4: 1,602,343 km (0.089 R)
• M5: 3,028,310 km (0.106 R)
• M6: 5,015,717 km (0.081 R)
• M7: 5,623,234 km (0.118 R)
• M8: 5,908,518 km (0.06 R)
• M9: 10,233,990 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.7

Radius: 6.7

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.45 AU - 10.49 AU

Year: 21352 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,673,479 km

• M1: 83,326 km (0.085 R)
• M2: 332,107 km (0.119 R)
• M3: 601,383 km (0.026 R)
• M4: 1,340,995 km (0.102 R)
• M5: 1,577,210 km (0.109 R)
• M6: 3,575,090 km (0.075 R)
• M7: 4,327,717 km (0.06 R)
• M8: 4,566,026 km (0.119 R)
• M9: 5,031,874 km (0.112 R)
• M10: 5,648,217 km (0.118 R)
• M11: 7,076,727 km (0.083 R)
• M12: 7,700,401 km (0.069 R)
• M13: 8,677,125 km (0.083 R)
• M14: 8,947,449 km (0.093 R)
• M15: 10,263,611 km (0.069 R)
• M16: 12,302,630 km (0.104 R)
• M17: 14,825,897 km (0.074 R)
• M18: 17,332,110 km (0.028 R)
• M19: 20,581,077 km (0.088 R)
• M20: 22,147,067 km (0.027 R)
• M21: 25,514,515 km (0.105 R)
• M22: 28,135,470 km (0.071 R)
• M23: 32,589,597 km (0.115 R)
• M24: 38,354,201 km (0.112 R)
• M25: 39,524,057 km (0.113 R)
• M26: 47,047,932 km (0.096 R)
• M27: 50,272,215 km (0.043 R)
• M28: 51,849,575 km (0.105 R)
• M29: 52,919,349 km (0.079 R)
• M30: 56,967,767 km (0.053 R)
• M31: 68,620,543 km (0.115 R)
• M32: 72,536,118 km (0.118 R)
• M33: 72,980,124 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.1

Radius: 6

Gravity: 20.84 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.04 AU - 11.3 AU

Year: 23639 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,673,479 km

• M1: 74,649 km (0.086 R)
• M2: 320,139 km (0.105 R)
• M3: 1,112,859 km (0.1 R)
• M4: 2,918,206 km (0.08 R)
• M5: 3,487,276 km (0.077 R)
• M6: 3,798,290 km (0.087 R)
• M7: 5,432,497 km (0.075 R)
• M8: 5,937,091 km (0.081 R)
• M9: 6,894,517 km (0.116 R)
• M10: 7,334,933 km (0.102 R)
• M11: 10,254,784 km (0.088 R)
• M12: 15,458,397 km (0.117 R)
• M13: 16,468,631 km (0.114 R)
• M14: 19,665,986 km (0.116 R)
• M15: 22,610,222 km (0.115 R)
• M16: 28,851,595 km (0.119 R)
• M17: 31,826,349 km (0.119 R)
• M18: 33,872,698 km (0.12 R)
• M19: 35,571,830 km (0.039 R)
• M20: 41,325,813 km (0.117 R)
• M21: 42,611,607 km (0.083 R)
• M22: 48,197,292 km (0.084 R)
• M23: 49,981,696 km (0.08 R)
• M24: 57,164,039 km (0.112 R)
• M25: 66,304,469 km (0.083 R)
• M26: 69,180,339 km (0.082 R)
• M27: 69,855,623 km (0.061 R)
• M28: 71,678,025 km (0.084 R)
• M29: 82,018,229 km (0.075 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit