🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.62 AU - 0.68 AU

Year: 333 Days

Day: 20.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 9.3

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.03 AU - 1.29 AU

Year: 794 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,472,389 km

• M1: 115,789 km (0.074 R)
• M2: 433,834 km (0.054 R)
• M3: 838,646 km (0.084 R)
• M4: 1,159,683 km (0.091 R)
• M5: 1,647,372 km (0.094 R)
• M6: 1,992,644 km (0.092 R)
• M7: 2,430,666 km (0.116 R)
• M8: 2,757,538 km (0.116 R)
• M9: 3,153,822 km (0.047 R)
• M10: 4,576,348 km (0.119 R)
• M11: 5,115,350 km (0.058 R)
• M12: 5,817,562 km (0.085 R)
• M13: 6,277,276 km (0.119 R)
• M14: 7,828,606 km (0.091 R)
• M15: 8,733,673 km (0.092 R)
• M16: 9,478,222 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 11.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.74 AU - 1.94 AU

Year: 1587 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,472,389 km

• M1: 143,016 km (0.102 R)
• M2: 594,652 km (0.111 R)
• M3: 1,016,368 km (0.104 R)
• M4: 1,470,547 km (0.118 R)
• M5: 1,867,879 km (0.077 R)
• M6: 2,349,435 km (0.1 R)
• M7: 2,984,478 km (0.109 R)
• M8: 4,463,252 km (0.092 R)
• M9: 5,353,360 km (0.097 R)
• M10: 5,886,676 km (0.109 R)
• M11: 6,728,015 km (0.079 R)
• M12: 10,737,836 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 13.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.66 AU - 2.46 AU

Year: 1880 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,472,389 km

• M1: 166,353 km (0.051 R)
• M2: 643,420 km (0.119 R)
• M3: 1,495,380 km (0.077 R)
• M4: 2,142,840 km (0.104 R)
• M5: 2,640,103 km (0.106 R)
• M6: 3,362,960 km (0.118 R)
• M7: 4,635,140 km (0.116 R)
• M8: 5,164,717 km (0.04 R)
• M9: 6,753,147 km (0.115 R)
• M10: 7,383,852 km (0.115 R)
• M11: 8,417,423 km (0.114 R)
• M12: 9,514,425 km (0.071 R)
• M13: 10,275,429 km (0.104 R)
• M14: 11,492,856 km (0.107 R)
• M15: 12,246,231 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.2

Radius: 12.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.17 AU - 3.97 AU

Year: 4289 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,472,389 km

• M1: 157,078 km (0.07 R)
• M2: 1,158,636 km (0.098 R)
• M3: 1,603,988 km (0.081 R)
• M4: 2,301,563 km (0.104 R)
• M5: 2,747,963 km (0.045 R)
• M6: 3,434,169 km (0.063 R)
• M7: 4,021,490 km (0.065 R)
• M8: 4,649,651 km (0.117 R)
• M9: 5,655,847 km (0.092 R)
• M10: 7,239,639 km (0.072 R)
• M11: 8,397,826 km (0.106 R)
• M12: 9,021,500 km (0.105 R)
• M13: 10,057,764 km (0.08 R)
• M14: 10,493,842 km (0.075 R)
• M15: 11,125,594 km (0.105 R)
• M16: 11,639,762 km (0.07 R)
• M17: 13,750,139 km (0.074 R)
• M18: 17,501,904 km (0.1 R)
• M19: 18,262,459 km (0.038 R)
• M20: 18,912,911 km (0.099 R)
• M21: 24,528,665 km (0.115 R)
• M22: 26,872,714 km (0.059 R)
• M23: 28,747,774 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.4

Radius: 8.6

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.56 AU - 4.74 AU

Year: 5375 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,472,389 km

• M1: 106,962 km (0.096 R)
• M2: 444,156 km (0.059 R)
• M3: 1,716,935 km (0.077 R)
• M4: 2,094,969 km (0.03 R)
• M5: 2,474,947 km (0.117 R)
• M6: 3,396,320 km (0.104 R)
• M7: 3,687,737 km (0.07 R)
• M8: 4,044,678 km (0.085 R)
• M9: 5,111,011 km (0.1 R)
• M10: 6,123,490 km (0.087 R)
• M11: 9,039,302 km (0.071 R)
• M12: 9,469,994 km (0.118 R)
• M13: 10,096,061 km (0.094 R)
• M14: 11,580,222 km (0.111 R)
• M15: 12,878,881 km (0.077 R)
• M16: 14,042,603 km (0.12 R)
• M17: 15,948,479 km (0.116 R)
• M18: 20,120,764 km (0.034 R)
• M19: 24,550,955 km (0.115 R)
• M20: 27,750,555 km (0.06 R)
• M21: 28,752,860 km (0.114 R)
• M22: 34,232,930 km (0.089 R)
• M23: 35,385,581 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.4

Radius: 13

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.83 AU - 5.97 AU

Year: 7979 Days

Day: 13.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,472,389 km

• M1: 171,140 km (0.089 R)
• M2: 788,530 km (0.105 R)
• M3: 1,307,336 km (0.102 R)
• M4: 1,753,586 km (0.101 R)
• M5: 2,408,227 km (0.072 R)
• M6: 4,028,371 km (0.065 R)
• M7: 4,906,960 km (0.114 R)
• M8: 7,388,340 km (0.098 R)
• M9: 8,531,866 km (0.047 R)
• M10: 9,742,861 km (0.049 R)
• M11: 10,912,865 km (0.067 R)
• M12: 11,323,063 km (0.102 R)
• M13: 12,338,683 km (0.094 R)
• M14: 14,367,679 km (0.085 R)
• M15: 14,798,670 km (0.039 R)
• M16: 17,360,833 km (0.062 R)
• M17: 17,920,927 km (0.062 R)
• M18: 18,420,734 km (0.062 R)
• M19: 19,673,616 km (0.087 R)
• M20: 22,431,004 km (0.104 R)
• M21: 23,348,338 km (0.1 R)
• M22: 32,235,200 km (0.114 R)
• M23: 33,188,886 km (0.116 R)
• M24: 35,041,506 km (0.096 R)
• M25: 40,398,905 km (0.048 R)
• M26: 41,012,256 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.3

Radius: 10.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.4 AU - 5.82 AU

Year: 8448 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,472,389 km

• M1: 134,339 km (0.084 R)
• M2: 817,552 km (0.038 R)
• M3: 1,432,100 km (0.085 R)
• M4: 1,859,053 km (0.112 R)
• M5: 2,612,128 km (0.108 R)
• M6: 3,080,968 km (0.067 R)
• M7: 3,416,516 km (0.105 R)
• M8: 4,688,248 km (0.03 R)
• M9: 5,576,410 km (0.104 R)
• M10: 7,249,363 km (0.114 R)
• M11: 7,929,884 km (0.056 R)
• M12: 8,264,534 km (0.108 R)
• M13: 11,136,664 km (0.11 R)
• M14: 16,635,882 km (0.058 R)
• M15: 17,047,276 km (0.06 R)
• M16: 20,744,737 km (0.069 R)
• M17: 24,325,661 km (0.11 R)
• M18: 27,055,074 km (0.079 R)
• M19: 30,184,811 km (0.088 R)
• M20: 31,836,820 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.4

Radius: 3.7

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.17 AU - 9.51 AU

Year: 16711 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,472,389 km

• M1: 49,966 km (0.042 R)
• M2: 179,517 km (0.11 R)
• M3: 316,699 km (0.094 R)
• M4: 456,722 km (0.093 R)
• M5: 676,930 km (0.029 R)
• M6: 793,916 km (0.116 R)
• M7: 934,388 km (0.084 R)
• M8: 1,147,715 km (0.119 R)
• M9: 1,541,606 km (0.096 R)
• M10: 2,711,910 km (0.1 R)
• M11: 3,451,672 km (0.04 R)
• M12: 5,030,677 km (0.07 R)
• M13: 5,581,796 km (0.088 R)
• M14: 7,153,321 km (0.071 R)
• M15: 8,951,189 km (0.103 R)
• M16: 9,419,729 km (0.113 R)
• M17: 10,153,058 km (0.07 R)
• M18: 11,732,363 km (0.096 R)
• M19: 15,367,890 km (0.112 R)
• M20: 21,538,952 km (0.03 R)
• M21: 24,122,507 km (0.053 R)
• M22: 29,076,441 km (0.037 R)
• M23: 33,988,487 km (0.099 R)
• M24: 42,740,860 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.8

Radius: 6.1

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.05 AU - 11.67 AU

Year: 19686 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,472,389 km

• M1: 83,027 km (0.115 R)
• M2: 362,775 km (0.092 R)
• M3: 1,060,499 km (0.096 R)
• M4: 2,204,624 km (0.071 R)
• M5: 2,468,215 km (0.117 R)
• M6: 3,411,430 km (0.085 R)
• M7: 3,687,139 km (0.082 R)
• M8: 4,142,515 km (0.09 R)
• M9: 4,910,550 km (0.089 R)
• M10: 5,529,137 km (0.088 R)
• M11: 7,039,029 km (0.101 R)
• M12: 9,567,532 km (0.085 R)
• M13: 11,778,289 km (0.073 R)
• M14: 15,427,879 km (0.107 R)
• M15: 19,607,943 km (0.111 R)
• M16: 20,904,208 km (0.042 R)
• M17: 25,605,770 km (0.071 R)
• M18: 28,049,451 km (0.117 R)
• M19: 31,182,031 km (0.106 R)
• M20: 37,029,063 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 18,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit