🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 10.6

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.68 AU - 0.88 AU

Year: 467 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,293,078 km

• M1: 134,638 km (0.051 R)
• M2: 1,390,961 km (0.078 R)
• M3: 2,198,640 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.5

Radius: 12.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.93 AU

Year: 485 Days

Day: 10.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,293,078 km

• M1: 153,338 km (0.115 R)
• M2: 552,914 km (0.102 R)
• M3: 1,019,061 km (0.106 R)
• M4: 1,692,850 km (0.061 R)
• M5: 2,195,349 km (0.083 R)
• M6: 2,657,008 km (0.07 R)
• M7: 3,111,636 km (0.117 R)
• M8: 3,494,756 km (0.109 R)
• M9: 3,969,879 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.8

Radius: 11.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.19 AU - 1.47 AU

Year: 1040 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,293,078 km

• M1: 141,819 km (0.11 R)
• M2: 547,827 km (0.029 R)
• M3: 1,150,707 km (0.06 R)
• M4: 1,793,230 km (0.085 R)
• M5: 2,257,432 km (0.079 R)
• M6: 3,364,007 km (0.118 R)
• M7: 4,518,155 km (0.106 R)
• M8: 4,921,920 km (0.094 R)
• M9: 5,610,818 km (0.087 R)
• M10: 6,018,322 km (0.112 R)
• M11: 7,047,107 km (0.089 R)
• M12: 7,568,755 km (0.1 R)
• M13: 8,140,368 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 11.4

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.14 AU - 2.14 AU

Year: 2123 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,293,078 km

• M1: 141,819 km (0.104 R)
• M2: 583,132 km (0.079 R)
• M3: 1,383,332 km (0.089 R)
• M4: 1,771,987 km (0.032 R)
• M5: 3,689,083 km (0.111 R)
• M6: 4,250,973 km (0.072 R)
• M7: 4,928,203 km (0.086 R)
• M8: 5,741,865 km (0.077 R)
• M9: 6,123,490 km (0.094 R)
• M10: 6,938,200 km (0.061 R)
• M11: 8,550,266 km (0.088 R)
• M12: 11,208,471 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 9.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.62 AU - 3.08 AU

Year: 3263 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,293,078 km

• M1: 115,490 km (0.119 R)
• M2: 435,779 km (0.041 R)
• M3: 856,448 km (0.119 R)
• M4: 1,211,294 km (0.036 R)
• M5: 1,750,295 km (0.076 R)
• M6: 2,469,562 km (0.066 R)
• M7: 2,881,704 km (0.106 R)
• M8: 3,288,012 km (0.104 R)
• M9: 3,622,213 km (0.099 R)
• M10: 3,959,556 km (0.118 R)
• M11: 4,807,477 km (0.052 R)
• M12: 5,647,619 km (0.067 R)
• M13: 6,555,079 km (0.113 R)
• M14: 6,887,636 km (0.072 R)
• M15: 7,738,399 km (0.046 R)
• M16: 8,078,734 km (0.079 R)
• M17: 9,160,326 km (0.08 R)
• M18: 9,753,931 km (0.044 R)
• M19: 11,212,510 km (0.102 R)
• M20: 12,304,126 km (0.08 R)
• M21: 13,867,723 km (0.109 R)
• M22: 17,596,150 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60

Radius: 11.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.91 AU - 4.95 AU

Year: 7424 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,293,078 km

• M1: 145,110 km (0.112 R)
• M2: 891,603 km (0.076 R)
• M3: 5,142,576 km (0.07 R)
• M4: 12,020,638 km (0.041 R)
• M5: 12,720,756 km (0.11 R)
• M6: 15,699,249 km (0.101 R)
• M7: 16,838,288 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.3

Radius: 3.3

Gravity: 39.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.05 AU - 6.65 AU

Year: 10853 Days

Day: 17.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 33,293,078 km

• M1: 40,990 km (0.097 R)
• M2: 231,578 km (0.12 R)
• M3: 366,365 km (0.096 R)
• M4: 645,964 km (0.063 R)
• M5: 757,564 km (0.093 R)
• M6: 1,041,351 km (0.106 R)
• M7: 1,862,194 km (0.075 R)
• M8: 2,142,242 km (0.112 R)
• M9: 2,301,563 km (0.061 R)
• M10: 2,827,400 km (0.084 R)
• M11: 3,107,297 km (0.065 R)
• M12: 4,910,101 km (0.117 R)
• M13: 6,695,253 km (0.051 R)
• M14: 7,152,274 km (0.086 R)
• M15: 7,348,696 km (0.079 R)
• M16: 7,670,481 km (0.09 R)
• M17: 8,342,026 km (0.089 R)
• M18: 8,472,176 km (0.118 R)
• M19: 8,781,096 km (0.084 R)
• M20: 13,748,493 km (0.093 R)
• M21: 13,869,368 km (0.09 R)
• M22: 14,422,432 km (0.081 R)
• M23: 15,638,064 km (0.086 R)
• M24: 15,968,974 km (0.096 R)
• M25: 18,786,201 km (0.1 R)
• M26: 20,077,680 km (0.109 R)
• M27: 20,547,268 km (0.072 R)
• M28: 21,508,434 km (0.054 R)
• M29: 22,582,995 km (0.058 R)
• M30: 26,205,657 km (0.071 R)
• M31: 28,105,550 km (0.101 R)
• M32: 28,692,872 km (0.056 R)
• M33: 29,488,732 km (0.043 R)
• M34: 30,299,104 km (0.077 R)
• M35: 34,241,157 km (0.072 R)
• M36: 35,589,633 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.7

Radius: 4.7

Gravity: 32.08 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.39 AU - 6.47 AU

Year: 11059 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,293,078 km

• M1: 58,493 km (0.097 R)
• M2: 360,531 km (0.065 R)
• M3: 1,244,654 km (0.114 R)
• M4: 1,852,620 km (0.066 R)
• M5: 3,298,633 km (0.115 R)
• M6: 3,733,065 km (0.089 R)
• M7: 4,591,159 km (0.09 R)
• M8: 5,033,520 km (0.089 R)
• M9: 5,929,910 km (0.07 R)
• M10: 9,055,608 km (0.044 R)
• M11: 9,699,328 km (0.046 R)
• M12: 14,083,892 km (0.038 R)
• M13: 15,773,450 km (0.105 R)
• M14: 16,055,741 km (0.072 R)
• M15: 16,557,792 km (0.112 R)
• M16: 17,368,014 km (0.061 R)
• M17: 17,820,846 km (0.098 R)
• M18: 18,204,116 km (0.082 R)
• M19: 19,066,847 km (0.118 R)
• M20: 19,548,702 km (0.048 R)
• M21: 24,163,646 km (0.112 R)
• M22: 26,473,138 km (0.117 R)
• M23: 28,506,772 km (0.112 R)
• M24: 29,561,736 km (0.112 R)
• M25: 35,953,604 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 5.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.13 AU - 10.13 AU

Year: 21868 Days

Day: 20.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,293,078 km

• M1: 135,236 km (0.096 R)
• M2: 586,274 km (0.109 R)
• M3: 1,239,568 km (0.075 R)
• M4: 2,357,064 km (0.093 R)
• M5: 3,386,297 km (0.069 R)
• M6: 4,195,472 km (0.119 R)
• M7: 4,685,256 km (0.053 R)
• M8: 9,276,265 km (0.084 R)
• M9: 11,660,107 km (0.046 R)
• M10: 31,531,042 km (0.117 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: 300 - 18,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit