🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.55 AU - 0.55 AU

Year: 182 Days

Day: 39.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.43 AU - 0.71 AU

Year: 192 Days

Day: 13.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 52,947,467 km

• M1: 40,840 km (0.03 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.78 AU - 1.08 AU

Year: 400 Days

Day: 34.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1 AU - 1.56 AU

Year: 646 Days

Day: 25.2 Hours

Environment

Temp: -90 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,947,467 km

• M1: 63,280 km (0.039 R)

Asteroid Belt

Center: 1.92 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 11

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.07 AU - 3.03 AU

Year: 1817 Days

Day: 9.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,947,467 km

• M1: 137,630 km (0.074 R)
• M2: 538,253 km (0.103 R)
• M3: 954,135 km (0.11 R)
• M4: 1,417,889 km (0.106 R)
• M5: 1,794,127 km (0.109 R)
• M6: 2,472,853 km (0.103 R)
• M7: 2,827,699 km (0.088 R)
• M8: 3,233,109 km (0.065 R)
• M9: 3,951,777 km (0.099 R)
• M10: 4,688,996 km (0.085 R)
• M11: 5,260,011 km (0.096 R)
• M12: 6,306,149 km (0.074 R)
• M13: 6,675,207 km (0.114 R)
• M14: 8,454,972 km (0.079 R)
• M15: 8,937,276 km (0.075 R)
• M16: 10,098,604 km (0.087 R)
• M17: 11,128,436 km (0.118 R)
• M18: 12,186,392 km (0.081 R)
• M19: 12,636,083 km (0.03 R)
• M20: 14,096,757 km (0.08 R)
• M21: 14,456,241 km (0.118 R)
• M22: 16,843,673 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 12

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.49 AU - 8.05 AU

Year: 9665 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,947,467 km

• M1: 149,299 km (0.063 R)
• M2: 534,962 km (0.103 R)
• M3: 927,058 km (0.078 R)
• M4: 1,862,643 km (0.062 R)
• M5: 2,929,276 km (0.105 R)
• M6: 3,708,681 km (0.116 R)
• M7: 4,201,606 km (0.064 R)
• M8: 4,947,202 km (0.114 R)
• M9: 5,448,504 km (0.083 R)
• M10: 6,018,173 km (0.069 R)
• M11: 6,928,027 km (0.097 R)
• M12: 10,013,932 km (0.097 R)
• M13: 12,330,604 km (0.059 R)
• M14: 14,101,993 km (0.106 R)
• M15: 16,582,026 km (0.109 R)
• M16: 17,351,109 km (0.105 R)
• M17: 18,143,828 km (0.094 R)
• M18: 22,305,791 km (0.057 R)
• M19: 25,654,988 km (0.11 R)
• M20: 31,286,001 km (0.09 R)
• M21: 37,452,126 km (0.077 R)
• M22: 42,543,540 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 13.9

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.33 AU - 10.27 AU

Year: 10670 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 57.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,947,467 km

• M1: 172,935 km (0.116 R)
• M2: 928,255 km (0.111 R)
• M3: 2,128,628 km (0.056 R)
• M4: 3,314,939 km (0.102 R)
• M5: 4,513,069 km (0.048 R)
• M6: 5,502,210 km (0.107 R)
• M7: 9,435,736 km (0.086 R)
• M8: 11,201,141 km (0.104 R)
• M9: 12,350,052 km (0.067 R)
• M10: 13,461,564 km (0.094 R)
• M11: 14,338,058 km (0.044 R)
• M12: 16,597,136 km (0.112 R)
• M13: 18,440,780 km (0.096 R)
• M14: 25,484,745 km (0.078 R)
• M15: 28,782,331 km (0.061 R)
• M16: 29,942,163 km (0.038 R)
• M17: 32,148,882 km (0.118 R)
• M18: 36,659,407 km (0.097 R)
• M19: 38,252,176 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.5

Radius: 4.5

Gravity: 20.47 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.7 AU - 10.52 AU

Year: 13293 Days

Day: 18.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,947,467 km

• M1: 55,950 km (0.111 R)
• M2: 309,518 km (0.057 R)
• M3: 556,205 km (0.087 R)
• M4: 1,019,659 km (0.105 R)
• M5: 1,312,871 km (0.056 R)
• M6: 1,767,948 km (0.1 R)
• M7: 2,155,107 km (0.075 R)
• M8: 2,456,397 km (0.041 R)
• M9: 3,631,788 km (0.105 R)
• M10: 4,428,845 km (0.111 R)
• M11: 4,637,534 km (0.1 R)
• M12: 6,286,701 km (0.085 R)
• M13: 6,900,501 km (0.105 R)
• M14: 7,469,422 km (0.118 R)
• M15: 10,265,406 km (0.107 R)
• M16: 12,592,102 km (0.089 R)
• M17: 12,890,549 km (0.049 R)
• M18: 15,046,554 km (0.097 R)
• M19: 15,930,827 km (0.116 R)
• M20: 16,209,827 km (0.103 R)
• M21: 22,147,516 km (0.112 R)
• M22: 22,582,397 km (0.114 R)
• M23: 24,749,322 km (0.087 R)
• M24: 26,952,300 km (0.086 R)
• M25: 29,074,645 km (0.052 R)
• M26: 31,633,816 km (0.103 R)
• M27: 34,921,379 km (0.078 R)
• M28: 38,304,984 km (0.105 R)
• M29: 41,111,888 km (0.112 R)
• M30: 47,994,886 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.4

Radius: 4.3

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 10.83 AU - 13.05 AU

Year: 18410 Days

Day: 21.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,947,467 km

• M1: 53,556 km (0.07 R)
• M2: 515,813 km (0.056 R)
• M3: 748,737 km (0.068 R)
• M4: 1,071,570 km (0.059 R)
• M5: 1,481,617 km (0.076 R)
• M6: 1,629,270 km (0.094 R)
• M7: 2,114,117 km (0.045 R)
• M8: 2,282,714 km (0.102 R)
• M9: 3,001,980 km (0.087 R)
• M10: 5,003,151 km (0.089 R)
• M11: 6,665,184 km (0.063 R)
• M12: 11,083,407 km (0.112 R)
• M13: 20,210,224 km (0.096 R)
• M14: 20,970,181 km (0.085 R)
• M15: 24,295,592 km (0.112 R)
• M16: 28,059,474 km (0.036 R)
• M17: 29,970,737 km (0.116 R)
• M18: 31,292,135 km (0.106 R)
• M19: 33,346,113 km (0.092 R)
• M20: 41,916,575 km (0.106 R)
• M21: 42,462,009 km (0.064 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: 234 - 13,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit