🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 15

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.64 AU - 0.9 AU

Year: 466 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,834,540 km

• M1: 186,549 km (0.079 R)
• M2: 915,240 km (0.113 R)
• M3: 1,427,463 km (0.116 R)
• M4: 1,962,126 km (0.105 R)
• M5: 2,836,974 km (0.075 R)
• M6: 3,748,474 km (0.064 R)
• M7: 4,436,474 km (0.083 R)
• M8: 5,505,650 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 13.4

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1 AU - 1.06 AU

Year: 722 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,834,540 km

• M1: 167,849 km (0.1 R)
• M2: 640,279 km (0.103 R)
• M3: 1,171,351 km (0.097 R)
• M4: 1,680,582 km (0.102 R)
• M5: 2,285,706 km (0.066 R)
• M6: 2,970,715 km (0.1 R)
• M7: 3,445,239 km (0.076 R)
• M8: 5,091,713 km (0.085 R)
• M9: 5,756,526 km (0.04 R)
• M10: 7,376,671 km (0.115 R)
• M11: 7,856,132 km (0.112 R)
• M12: 8,588,414 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 9.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.54 AU - 2.28 AU

Year: 1822 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,834,540 km

• M1: 126,261 km (0.089 R)
• M2: 612,902 km (0.087 R)
• M3: 951,442 km (0.119 R)
• M4: 1,265,748 km (0.081 R)
• M5: 1,621,342 km (0.069 R)
• M6: 2,257,432 km (0.039 R)
• M7: 2,976,698 km (0.03 R)
• M8: 3,349,496 km (0.078 R)
• M9: 3,701,051 km (0.093 R)
• M10: 5,013,174 km (0.116 R)
• M11: 5,774,927 km (0.076 R)
• M12: 8,193,625 km (0.069 R)
• M13: 8,866,965 km (0.079 R)
• M14: 9,810,180 km (0.07 R)
• M15: 10,999,782 km (0.091 R)
• M16: 11,857,277 km (0.077 R)
• M17: 12,718,512 km (0.068 R)
• M18: 13,916,940 km (0.096 R)
• M19: 14,303,800 km (0.079 R)
• M20: 14,875,115 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 8.9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.98 AU - 2.26 AU

Year: 2131 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,834,540 km

• M1: 110,702 km (0.116 R)
• M2: 437,125 km (0.051 R)
• M3: 1,167,761 km (0.117 R)
• M4: 1,601,894 km (0.114 R)
• M5: 2,067,443 km (0.096 R)
• M6: 2,399,400 km (0.071 R)
• M7: 3,042,970 km (0.093 R)
• M8: 3,580,027 km (0.039 R)
• M9: 4,061,732 km (0.106 R)
• M10: 4,908,755 km (0.058 R)
• M11: 5,794,524 km (0.098 R)
• M12: 6,275,780 km (0.028 R)
• M13: 6,566,299 km (0.115 R)
• M14: 6,865,944 km (0.03 R)
• M15: 8,187,940 km (0.034 R)
• M16: 8,631,947 km (0.05 R)
• M17: 10,422,932 km (0.102 R)
• M18: 10,831,484 km (0.088 R)
• M19: 11,562,270 km (0.093 R)
• M20: 11,959,751 km (0.073 R)
• M21: 12,284,379 km (0.099 R)
• M22: 12,782,390 km (0.111 R)
• M23: 13,686,111 km (0.045 R)
• M24: 14,357,356 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 10.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.64 AU - 2.62 AU

Year: 2146 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,834,540 km

• M1: 131,347 km (0.089 R)
• M2: 537,505 km (0.107 R)
• M3: 967,001 km (0.072 R)
• M4: 1,329,177 km (0.042 R)
• M5: 1,782,907 km (0.046 R)
• M6: 2,405,683 km (0.107 R)
• M7: 3,947,888 km (0.1 R)
• M8: 4,383,666 km (0.109 R)
• M9: 5,029,630 km (0.118 R)
• M10: 5,812,176 km (0.109 R)
• M11: 6,811,640 km (0.116 R)
• M12: 7,150,030 km (0.075 R)
• M13: 7,769,216 km (0.081 R)
• M14: 8,201,703 km (0.098 R)
• M15: 9,114,849 km (0.1 R)
• M16: 10,497,881 km (0.1 R)
• M17: 11,693,318 km (0.063 R)
• M18: 13,236,120 km (0.089 R)
• M19: 13,719,920 km (0.113 R)
• M20: 15,434,461 km (0.099 R)
• M21: 16,368,251 km (0.06 R)
• M22: 17,391,500 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.8

Radius: 3.4

Gravity: 74.9 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.65 AU - 8.43 AU

Year: 12893 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,834,540 km

• M1: 54,902 km (0.102 R)
• M2: 207,043 km (0.103 R)
• M3: 570,865 km (0.108 R)
• M4: 901,028 km (0.081 R)
• M5: 1,184,067 km (0.114 R)
• M6: 1,332,169 km (0.047 R)
• M7: 1,996,683 km (0.117 R)
• M8: 2,833,683 km (0.035 R)
• M9: 3,050,151 km (0.052 R)
• M10: 3,998,302 km (0.096 R)
• M11: 4,490,928 km (0.114 R)
• M12: 5,127,168 km (0.093 R)
• M13: 5,745,456 km (0.096 R)
• M14: 6,371,373 km (0.098 R)
• M15: 6,700,788 km (0.067 R)
• M16: 6,998,338 km (0.091 R)
• M17: 8,180,610 km (0.064 R)
• M18: 8,373,591 km (0.105 R)
• M19: 9,176,034 km (0.069 R)
• M20: 11,284,915 km (0.081 R)
• M21: 12,324,920 km (0.112 R)
• M22: 14,382,788 km (0.114 R)
• M23: 15,825,510 km (0.044 R)
• M24: 17,046,827 km (0.12 R)
• M25: 18,084,438 km (0.087 R)
• M26: 20,905,854 km (0.103 R)
• M27: 26,028,534 km (0.036 R)
• M28: 29,947,549 km (0.082 R)
• M29: 33,869,407 km (0.083 R)
• M30: 35,503,913 km (0.085 R)
• M31: 35,631,819 km (0.072 R)
• M32: 41,851,500 km (0.116 R)
• M33: 45,366,302 km (0.114 R)
• M34: 45,516,947 km (0.066 R)
• M35: 51,162,472 km (0.105 R)
• M36: 61,209,614 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 4.4

Gravity: 44.88 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.41 AU - 11.71 AU

Year: 22025 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,834,540 km

• M1: 55,351 km (0.06 R)
• M2: 222,153 km (0.082 R)
• M3: 601,533 km (0.101 R)
• M4: 810,970 km (0.107 R)
• M5: 2,619,459 km (0.106 R)
• M6: 4,048,567 km (0.049 R)
• M7: 4,358,384 km (0.069 R)
• M8: 4,947,800 km (0.058 R)
• M9: 5,342,290 km (0.108 R)
• M10: 5,547,239 km (0.047 R)
• M11: 9,226,598 km (0.11 R)
• M12: 11,359,714 km (0.103 R)
• M13: 11,562,419 km (0.067 R)
• M14: 14,342,696 km (0.109 R)
• M15: 14,659,095 km (0.1 R)
• M16: 14,979,983 km (0.12 R)
• M17: 18,452,000 km (0.108 R)
• M18: 30,163,269 km (0.061 R)
• M19: 34,202,561 km (0.104 R)
• M20: 36,497,542 km (0.07 R)
• M21: 36,644,148 km (0.105 R)
• M22: 43,005,797 km (0.092 R)
• M23: 53,962,495 km (0.048 R)
• M24: 60,283,005 km (0.102 R)
• M25: 62,354,936 km (0.108 R)
• M26: 64,688,214 km (0.066 R)
• M27: 65,334,626 km (0.072 R)
• M28: 69,528,303 km (0.118 R)
• M29: 81,664,879 km (0.038 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: 321 - 14,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit