🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 11

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,535,113 km

• M1: 139,575 km (0.091 R)
• M2: 489,035 km (0.077 R)
• M3: 885,619 km (0.097 R)
• M4: 1,287,439 km (0.077 R)
• M5: 1,659,938 km (0.09 R)
• M6: 2,366,040 km (0.051 R)
• M7: 3,128,091 km (0.112 R)
• M8: 3,801,581 km (0.028 R)
• M9: 4,234,069 km (0.04 R)
• M10: 4,952,138 km (0.114 R)
• M11: 5,469,448 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 14.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 599 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,535,113 km

• M1: 185,352 km (0.07 R)
• M2: 787,782 km (0.091 R)
• M3: 1,270,684 km (0.085 R)
• M4: 1,825,393 km (0.108 R)
• M5: 2,648,780 km (0.113 R)
• M6: 3,548,461 km (0.104 R)
• M7: 4,107,060 km (0.091 R)
• M8: 4,675,981 km (0.057 R)
• M9: 6,127,529 km (0.106 R)
• M10: 6,707,370 km (0.032 R)
• M11: 7,411,677 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 14.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.28 AU - 1.64 AU

Year: 1218 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,535,113 km

• M1: 176,825 km (0.093 R)
• M2: 665,112 km (0.096 R)
• M3: 1,529,638 km (0.118 R)
• M4: 2,198,490 km (0.051 R)
• M5: 2,646,087 km (0.076 R)
• M6: 3,234,605 km (0.112 R)
• M7: 3,785,574 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 11.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.84 AU - 2.86 AU

Year: 2487 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,535,113 km

• M1: 147,504 km (0.079 R)
• M2: 515,514 km (0.115 R)
• M3: 1,389,615 km (0.041 R)
• M4: 3,086,952 km (0.094 R)
• M5: 3,518,991 km (0.081 R)
• M6: 4,506,037 km (0.111 R)
• M7: 5,064,636 km (0.099 R)
• M8: 5,606,479 km (0.108 R)
• M9: 6,208,760 km (0.106 R)
• M10: 6,641,846 km (0.057 R)
• M11: 7,826,512 km (0.092 R)
• M12: 8,414,581 km (0.106 R)
• M13: 9,921,780 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 14

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.16 AU - 2.8 AU

Year: 2696 Days

Day: 10.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 92,535,113 km

• M1: 174,880 km (0.087 R)
• M2: 846,574 km (0.096 R)
• M3: 2,561,564 km (0.105 R)
• M4: 4,228,085 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 11.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.92 AU - 5.02 AU

Year: 6523 Days

Day: 12.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,535,113 km

• M1: 140,622 km (0.083 R)
• M2: 661,522 km (0.099 R)
• M3: 2,290,643 km (0.118 R)
• M4: 3,199,450 km (0.117 R)
• M5: 4,333,701 km (0.088 R)
• M6: 4,748,386 km (0.065 R)
• M7: 5,568,182 km (0.106 R)
• M8: 6,748,061 km (0.074 R)
• M9: 7,199,996 km (0.054 R)
• M10: 8,718,863 km (0.117 R)
• M11: 9,213,583 km (0.109 R)
• M12: 9,683,620 km (0.063 R)
• M13: 11,480,141 km (0.052 R)
• M14: 13,272,921 km (0.09 R)
• M15: 13,762,555 km (0.051 R)
• M16: 14,836,070 km (0.069 R)
• M17: 16,456,364 km (0.096 R)
• M18: 18,660,689 km (0.09 R)
• M19: 25,434,331 km (0.058 R)
• M20: 33,385,458 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.5

Radius: 3.6

Gravity: 67.01 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.08 AU - 12.12 AU

Year: 23822 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,535,113 km

• M1: 44,730 km (0.106 R)
• M2: 174,730 km (0.103 R)
• M3: 1,170,155 km (0.119 R)
• M4: 1,307,485 km (0.074 R)
• M5: 1,885,532 km (0.074 R)
• M6: 2,467,766 km (0.118 R)
• M7: 2,720,886 km (0.106 R)
• M8: 3,190,623 km (0.073 R)
• M9: 3,368,645 km (0.118 R)
• M10: 4,253,067 km (0.094 R)
• M11: 4,396,083 km (0.058 R)
• M12: 6,053,328 km (0.071 R)
• M13: 6,848,291 km (0.088 R)
• M14: 7,657,915 km (0.117 R)
• M15: 9,708,752 km (0.107 R)
• M16: 10,019,916 km (0.087 R)
• M17: 11,675,515 km (0.06 R)
• M18: 12,027,220 km (0.088 R)
• M19: 12,241,743 km (0.116 R)
• M20: 14,852,825 km (0.118 R)
• M21: 17,083,329 km (0.105 R)
• M22: 17,354,251 km (0.071 R)
• M23: 19,823,513 km (0.064 R)
• M24: 21,663,866 km (0.054 R)
• M25: 22,517,172 km (0.092 R)
• M26: 24,064,014 km (0.077 R)
• M27: 25,680,120 km (0.096 R)
• M28: 26,394,300 km (0.11 R)
• M29: 32,869,195 km (0.059 R)
• M30: 34,566,533 km (0.074 R)
• M31: 35,877,459 km (0.056 R)
• M32: 38,288,977 km (0.057 R)
• M33: 44,615,022 km (0.116 R)
• M34: 45,128,591 km (0.111 R)
• M35: 58,464,344 km (0.12 R)
• M36: 63,505,044 km (0.119 R)
• M37: 64,808,939 km (0.114 R)
• M38: 65,688,126 km (0.075 R)
• M39: 69,284,309 km (0.029 R)
• M40: 72,300,950 km (0.189 R)
• M41: 77,111,270 km (0.097 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: 254 - 11,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit