🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.57 AU

Year: 246 Days

Day: 28.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 15

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.63 AU - 0.79 AU

Year: 392 Days

Day: 5.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,172,997 km

• M1: 186,549 km (0.102 R)
• M2: 843,134 km (0.084 R)
• M3: 1,478,177 km (0.12 R)
• M4: 2,201,931 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.3

Radius: 13.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.77 AU - 2.83 AU

Year: 3074 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,172,997 km

• M1: 163,211 km (0.118 R)
• M2: 751,430 km (0.074 R)
• M3: 1,296,565 km (0.111 R)
• M4: 2,168,421 km (0.104 R)
• M5: 3,242,534 km (0.109 R)
• M6: 3,753,710 km (0.102 R)
• M7: 4,756,614 km (0.099 R)
• M8: 5,345,880 km (0.101 R)
• M9: 6,417,749 km (0.098 R)
• M10: 8,042,232 km (0.08 R)
• M11: 9,303,940 km (0.111 R)
• M12: 11,458,898 km (0.11 R)
• M13: 13,189,446 km (0.099 R)
• M14: 15,337,970 km (0.054 R)
• M15: 17,710,443 km (0.086 R)
• M16: 20,257,796 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.3

Radius: 7

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.31 AU - 6.91 AU

Year: 11148 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,172,997 km

• M1: 87,216 km (0.063 R)
• M2: 528,679 km (0.064 R)
• M3: 969,394 km (0.109 R)
• M4: 1,829,732 km (0.039 R)
• M5: 2,794,638 km (0.067 R)
• M6: 4,227,187 km (0.095 R)
• M7: 4,540,445 km (0.115 R)
• M8: 4,899,779 km (0.119 R)
• M9: 6,236,137 km (0.082 R)
• M10: 6,988,165 km (0.111 R)
• M11: 7,968,779 km (0.103 R)
• M12: 8,492,222 km (0.085 R)
• M13: 8,716,918 km (0.071 R)
• M14: 9,084,779 km (0.083 R)
• M15: 10,922,290 km (0.085 R)
• M16: 11,349,990 km (0.12 R)
• M17: 11,733,260 km (0.099 R)
• M18: 12,353,044 km (0.067 R)
• M19: 14,091,371 km (0.115 R)
• M20: 14,662,536 km (0.12 R)
• M21: 15,248,960 km (0.043 R)
• M22: 15,783,174 km (0.074 R)
• M23: 17,173,536 km (0.036 R)
• M24: 18,343,093 km (0.109 R)
• M25: 20,921,561 km (0.111 R)
• M26: 21,497,962 km (0.086 R)
• M27: 22,855,114 km (0.105 R)
• M28: 29,060,134 km (0.037 R)
• M29: 30,717,230 km (0.034 R)
• M30: 31,247,854 km (0.074 R)
• M31: 35,714,248 km (0.106 R)
• M32: 37,613,991 km (0.097 R)
• M33: 41,613,640 km (0.112 R)
• M34: 42,002,594 km (0.114 R)
• M35: 44,387,035 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 3

Gravity: 104.39 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.54 AU - 7.02 AU

Year: 11581 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,172,997 km

• M1: 37,250 km (0.081 R)
• M2: 143,913 km (0.106 R)
• M3: 260,151 km (0.096 R)
• M4: 506,838 km (0.116 R)
• M5: 637,137 km (0.071 R)
• M6: 838,646 km (0.112 R)
• M7: 1,105,079 km (0.069 R)
• M8: 1,513,631 km (0.077 R)
• M9: 1,686,267 km (0.098 R)
• M10: 1,785,899 km (0.094 R)
• M11: 1,942,678 km (0.042 R)
• M12: 2,070,883 km (0.057 R)
• M13: 2,324,003 km (0.064 R)
• M14: 2,575,477 km (0.097 R)
• M15: 4,082,526 km (0.066 R)
• M16: 5,209,447 km (0.081 R)
• M17: 5,976,884 km (0.071 R)
• M18: 6,248,553 km (0.065 R)
• M19: 6,569,142 km (0.089 R)
• M20: 8,924,710 km (0.056 R)
• M21: 11,489,266 km (0.062 R)
• M22: 11,788,013 km (0.095 R)
• M23: 14,229,899 km (0.092 R)
• M24: 15,423,690 km (0.074 R)
• M25: 16,988,484 km (0.092 R)
• M26: 33,841,133 km (0.054 R)
• M27: 39,357,853 km (0.117 R)
• M28: 40,997,895 km (0.116 R)
• M29: 43,111,264 km (0.115 R)
• M30: 43,976,538 km (0.11 R)
• M31: 44,413,513 km (0.095 R)
• M32: 45,444,392 km (0.12 R)
• M33: 46,340,484 km (0.06 R)
• M34: 48,168,121 km (0.043 R)
• M35: 48,787,755 km (0.091 R)
• M36: 53,606,003 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.1

Radius: 6.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.22 AU - 9.28 AU

Year: 14153 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,172,997 km

• M1: 77,043 km (0.063 R)
• M2: 273,764 km (0.116 R)
• M3: 580,589 km (0.096 R)
• M4: 865,872 km (0.07 R)
• M5: 1,219,223 km (0.083 R)
• M6: 2,057,270 km (0.052 R)
• M7: 2,918,056 km (0.03 R)
• M8: 3,971,075 km (0.058 R)
• M9: 4,525,336 km (0.117 R)
• M10: 5,161,276 km (0.112 R)
• M11: 6,064,548 km (0.036 R)
• M12: 6,314,975 km (0.116 R)
• M13: 8,050,609 km (0.08 R)
• M14: 10,131,366 km (0.053 R)
• M15: 13,549,977 km (0.099 R)
• M16: 14,543,007 km (0.105 R)
• M17: 15,384,944 km (0.075 R)
• M18: 16,054,245 km (0.097 R)
• M19: 20,007,967 km (0.087 R)
• M20: 21,540,448 km (0.105 R)
• M21: 22,462,569 km (0.086 R)
• M22: 24,116,822 km (0.104 R)
• M23: 24,655,674 km (0.097 R)
• M24: 34,404,369 km (0.11 R)
• M25: 37,667,846 km (0.093 R)
• M26: 39,622,342 km (0.032 R)
• M27: 41,259,392 km (0.029 R)
• M28: 42,288,924 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.5

Radius: 3.7

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.88 AU - 10.92 AU

Year: 23607 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,172,997 km

• M1: 47,123 km (0.117 R)
• M2: 515,065 km (0.052 R)
• M3: 4,859,687 km (0.067 R)
• M4: 5,219,769 km (0.108 R)
• M5: 5,919,588 km (0.079 R)
• M6: 9,348,221 km (0.119 R)
• M7: 12,590,007 km (0.109 R)
• M8: 13,839,299 km (0.026 R)
• M9: 19,828,450 km (0.054 R)
• M10: 22,838,359 km (0.072 R)
• M11: 31,385,334 km (0.054 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: 362 - 14,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit