🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.5

Radius: 9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.76 AU - 0.92 AU

Year: 489 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,048,649 km

• M1: 112,946 km (0.095 R)
• M2: 394,340 km (0.05 R)
• M3: 677,978 km (0.086 R)
• M4: 1,000,062 km (0.081 R)
• M5: 1,550,133 km (0.1 R)
• M6: 2,454,452 km (0.108 R)
• M7: 3,317,632 km (0.084 R)
• M8: 4,273,712 km (0.077 R)
• M9: 4,654,439 km (0.059 R)
• M10: 4,950,942 km (0.107 R)
• M11: 5,355,305 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 11.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.07 AU - 1.09 AU

Year: 714 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,048,649 km

• M1: 138,079 km (0.12 R)
• M2: 768,335 km (0.079 R)
• M3: 1,232,238 km (0.096 R)
• M4: 1,694,046 km (0.106 R)
• M5: 2,046,648 km (0.107 R)
• M6: 2,735,247 km (0.1 R)
• M7: 3,313,593 km (0.12 R)
• M8: 5,407,065 km (0.088 R)
• M9: 5,879,645 km (0.104 R)
• M10: 6,499,130 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.4

Radius: 10.1

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.32 AU - 1.72 AU

Year: 1192 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,048,649 km

• M1: 125,662 km (0.097 R)
• M2: 456,423 km (0.081 R)
• M3: 964,009 km (0.081 R)
• M4: 1,438,982 km (0.066 R)
• M5: 1,878,800 km (0.091 R)
• M6: 2,232,000 km (0.071 R)
• M7: 3,189,875 km (0.041 R)
• M8: 3,745,781 km (0.085 R)
• M9: 4,932,242 km (0.085 R)
• M10: 5,254,326 km (0.115 R)
• M11: 5,569,230 km (0.034 R)
• M12: 6,260,072 km (0.118 R)
• M13: 7,363,207 km (0.079 R)
• M14: 7,839,078 km (0.106 R)
• M15: 8,505,537 km (0.053 R)
• M16: 9,637,244 km (0.104 R)
• M17: 10,046,694 km (0.098 R)
• M18: 10,699,240 km (0.045 R)
• M19: 11,519,186 km (0.104 R)
• M20: 12,197,612 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.5

Radius: 12.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.56 AU - 1.74 AU

Year: 1348 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,048,649 km

• M1: 161,117 km (0.094 R)
• M2: 585,077 km (0.093 R)
• M3: 1,124,527 km (0.12 R)
• M4: 1,568,534 km (0.066 R)
• M5: 2,185,924 km (0.081 R)
• M6: 2,758,286 km (0.083 R)
• M7: 3,262,879 km (0.025 R)
• M8: 4,206,094 km (0.111 R)
• M9: 4,703,656 km (0.085 R)
• M10: 5,199,124 km (0.112 R)
• M11: 6,225,665 km (0.078 R)
• M12: 6,677,301 km (0.109 R)
• M13: 7,435,164 km (0.083 R)
• M14: 7,889,493 km (0.104 R)
• M15: 8,476,365 km (0.116 R)
• M16: 9,032,271 km (0.07 R)
• M17: 9,426,611 km (0.109 R)
• M18: 10,282,460 km (0.087 R)
• M19: 11,538,783 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 13.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.78 AU - 2.76 AU

Year: 2175 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,048,649 km

• M1: 165,455 km (0.081 R)
• M2: 601,084 km (0.107 R)
• M3: 1,548,488 km (0.088 R)
• M4: 2,055,924 km (0.09 R)
• M5: 3,590,648 km (0.09 R)
• M6: 4,778,605 km (0.08 R)
• M7: 6,148,622 km (0.066 R)
• M8: 7,246,521 km (0.091 R)
• M9: 8,715,273 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 8.5

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.45 AU - 2.85 AU

Year: 2743 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,048,649 km

• M1: 110,852 km (0.113 R)
• M2: 385,963 km (0.109 R)
• M3: 686,953 km (0.059 R)
• M4: 1,636,302 km (0.054 R)
• M5: 2,306,799 km (0.026 R)
• M6: 3,132,430 km (0.079 R)
• M7: 4,389,052 km (0.112 R)
• M8: 5,403,176 km (0.12 R)
• M9: 5,698,332 km (0.096 R)
• M10: 6,538,624 km (0.116 R)
• M11: 7,339,421 km (0.092 R)
• M12: 11,048,401 km (0.08 R)
• M13: 11,364,801 km (0.069 R)
• M14: 11,728,024 km (0.103 R)
• M15: 13,392,151 km (0.119 R)
• M16: 14,397,299 km (0.095 R)
• M17: 15,402,896 km (0.079 R)
• M18: 15,748,317 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 10.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.3 AU - 4.26 AU

Year: 4673 Days

Day: 11.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,048,649 km

• M1: 131,197 km (0.073 R)
• M2: 793,766 km (0.094 R)
• M3: 1,322,894 km (0.076 R)
• M4: 2,128,927 km (0.112 R)
• M5: 2,500,379 km (0.107 R)
• M6: 3,080,370 km (0.082 R)
• M7: 4,379,178 km (0.102 R)
• M8: 4,800,296 km (0.045 R)
• M9: 5,470,046 km (0.074 R)
• M10: 6,092,672 km (0.036 R)
• M11: 7,985,385 km (0.107 R)
• M12: 8,379,725 km (0.109 R)
• M13: 11,723,985 km (0.111 R)
• M14: 12,105,161 km (0.115 R)
• M15: 12,848,064 km (0.119 R)
• M16: 14,521,166 km (0.116 R)
• M17: 16,126,202 km (0.034 R)
• M18: 17,405,413 km (0.049 R)
• M19: 18,636,304 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 10

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.37 AU - 5.47 AU

Year: 8023 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,048,649 km

• M1: 387,159 km (0.062 R)
• M2: 851,511 km (0.06 R)
• M3: 1,369,718 km (0.097 R)
• M4: 1,702,424 km (0.119 R)
• M5: 2,089,583 km (0.098 R)
• M6: 2,929,725 km (0.109 R)
• M7: 3,241,786 km (0.094 R)
• M8: 4,669,398 km (0.12 R)
• M9: 5,350,069 km (0.056 R)
• M10: 6,064,398 km (0.07 R)
• M11: 7,079,719 km (0.118 R)
• M12: 8,015,604 km (0.115 R)
• M13: 8,670,693 km (0.116 R)
• M14: 9,956,935 km (0.036 R)
• M15: 10,714,050 km (0.116 R)
• M16: 11,177,055 km (0.086 R)
• M17: 12,343,021 km (0.093 R)
• M18: 14,021,360 km (0.094 R)
• M19: 16,145,649 km (0.047 R)
• M20: 17,505,793 km (0.112 R)
• M21: 22,192,246 km (0.103 R)
• M22: 25,225,941 km (0.107 R)
• M23: 25,551,915 km (0.057 R)
• M24: 30,878,496 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.3

Radius: 7.4

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.06 AU - 8.82 AU

Year: 14225 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,048,649 km

• M1: 92,003 km (0.11 R)
• M2: 389,702 km (0.117 R)
• M3: 747,989 km (0.11 R)
• M4: 1,026,092 km (0.105 R)
• M5: 1,317,060 km (0.12 R)
• M6: 2,031,240 km (0.044 R)
• M7: 2,326,546 km (0.115 R)
• M8: 2,673,015 km (0.103 R)
• M9: 3,362,511 km (0.101 R)
• M10: 3,663,801 km (0.089 R)
• M11: 4,073,251 km (0.106 R)
• M12: 4,480,456 km (0.071 R)
• M13: 5,231,288 km (0.067 R)
• M14: 5,561,600 km (0.077 R)
• M15: 6,023,558 km (0.037 R)
• M16: 6,850,086 km (0.11 R)
• M17: 7,797,041 km (0.116 R)
• M18: 8,034,752 km (0.053 R)
• M19: 9,350,465 km (0.071 R)
• M20: 11,040,323 km (0.047 R)
• M21: 12,402,112 km (0.097 R)
• M22: 12,726,590 km (0.118 R)
• M23: 14,011,785 km (0.078 R)
• M24: 16,680,013 km (0.111 R)
• M25: 18,551,632 km (0.086 R)
• M26: 21,568,423 km (0.09 R)
• M27: 23,487,763 km (0.1 R)
• M28: 27,115,661 km (0.109 R)
• M29: 27,883,547 km (0.081 R)
• M30: 32,921,704 km (0.101 R)
• M31: 37,042,228 km (0.113 R)
• M32: 42,220,409 km (0.09 R)
• M33: 44,148,576 km (0.102 R)
• M34: 45,979,803 km (0.077 R)
• M35: 46,289,770 km (0.1 R)
• M36: 48,981,784 km (0.086 R)
• M37: 52,280,417 km (0.098 R)
• M38: 54,329,010 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.9

Radius: 4.2

Gravity: 55.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.35 AU - 9.95 AU

Year: 14793 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,048,649 km

• M1: 52,359 km (0.091 R)
• M2: 261,198 km (0.079 R)
• M3: 460,462 km (0.098 R)
• M4: 646,412 km (0.037 R)
• M5: 1,185,713 km (0.059 R)
• M6: 1,759,421 km (0.115 R)
• M7: 1,999,376 km (0.109 R)
• M8: 2,544,959 km (0.088 R)
• M9: 3,512,259 km (0.112 R)
• M10: 4,876,442 km (0.035 R)
• M11: 5,055,062 km (0.099 R)
• M12: 5,893,707 km (0.046 R)
• M13: 6,345,942 km (0.082 R)
• M14: 6,602,203 km (0.092 R)
• M15: 7,090,041 km (0.081 R)
• M16: 7,227,073 km (0.086 R)
• M17: 7,793,301 km (0.031 R)
• M18: 11,013,096 km (0.092 R)
• M19: 11,320,968 km (0.084 R)
• M20: 13,015,015 km (0.107 R)
• M21: 13,922,326 km (0.088 R)
• M22: 15,247,165 km (0.118 R)
• M23: 15,784,371 km (0.1 R)
• M24: 16,734,317 km (0.108 R)
• M25: 17,805,887 km (0.074 R)
• M26: 18,144,576 km (0.078 R)
• M27: 20,175,966 km (0.044 R)
• M28: 21,771,277 km (0.095 R)
• M29: 23,146,830 km (0.088 R)
• M30: 31,635,911 km (0.11 R)
• M31: 33,014,305 km (0.083 R)
• M32: 42,284,586 km (0.098 R)
• M33: 42,887,316 km (0.108 R)
• M34: 43,342,991 km (0.084 R)
• M35: 47,915,600 km (0.079 R)
• M36: 48,406,281 km (0.048 R)
• M37: 49,231,462 km (0.098 R)
• M38: 52,107,033 km (0.095 R)
• M39: 55,811,226 km (0.109 R)
• M40: 57,635,272 km (0.065 R)
• M41: 68,175,639 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 13,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit